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Husky 60 Gallon Stationary Air Compressor Use and Care Guide
Item #: 911625 | Model #: C601H
Thank You
We appreciate the trust and confidence you have placed in Husky through the purchase of this 60 gallon stationary air compressor. We strive to continually create quality products designed to enhance your home. Visit us online to see our full line of products available for your home improvement needs. Thank you for choosing Husky!
Safety Information
This manual contains information that is important for you to know and understand. This information relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols below. Please read the manual and pay attention to these symbols.
DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
NOTICE: Indicates a practice not related to personal injury which, if not avoided, may result in property damage.
Work Area Safety
Keep your work area clean and well lit. Ensure floors are not slippery from wax or dust.
⚠️ Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes. Keep bystanders, children, and visitors away while operating tools. Distractions can cause you to lose control.
⚠️ Operate air compressor in an open area at least 18 in. (0.5 m) away from any wall or object that could restrict the flow of fresh air to ventilation openings.
⚠️ Always disconnect the air supply and power supply before making adjustments, servicing a tool, or when a tool is not in use.
⚠️ This compressor/pump is not equipped and should not be used to supply breathing quality air. Additional equipment would be necessary to properly filter and purify the air to meet minimal specifications for Grade D breathing as described in Compressed Gas Association Commodity Specification G 7.1 - 1966, OSHA 29 CF9 1910.134.
Personal Safety
WARNING: Operating any power tool can result in foreign objects being thrown into your eyes, which can result in severe eye damage. Before beginning operation, always wear safety goggles, safety glasses with side shields, or a full face shield when needed. Always use eye protection marked to comply with ANSI Z87.1.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
Use safety equipment. Always wear eye protection with side shields when operating power tools. Dust mask, nonskid safety shoes, hard hat, or hearing protection must be used for appropriate conditions.
Stay alert when operating a power tool. Do not use the tool while tired or under the influence of drugs, alcohol, or medication.
Do not wear loose clothing or jewelry. Contain long hair. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts.
Keep proper footing and balance at all times. Proper footing and balance enables better control of the tool in unexpected situations.
Do not use on a ladder or unstable support.
Never touch any exposed metal parts on compressor during or immediately after operation. Compressor will remain hot for several minutes after operation. Do not reach around protective shrouds or attempt maintenance until unit has been allowed to cool.
The compressor is too heavy to be lifted by one person. Obtain assistance from others before lifting.
Transporting
Always place compressor on a protective mat when transporting to protect against damage to vehicle from leaks. Remove compressor from vehicle immediately upon arrival at your destination.
Always transport and store unit in an upright position.
Air Compressor and Pneumatic Tool Safety
WARNING: Do not attempt to modify this tool or create accessories not recommended for use with this tool. Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury.
CAUTION: Do not use in an environment that is dusty or otherwise contaminated. Using the air compressor in this type of environment may cause damage to the unit.
Keep compressors as far from the spraying area as possible, at least 15 ft. (0.4 m) from the spraying area and all explosive vapors.
Electrical Safety
WARNING: Risk of Bursting. Do not adjust regulator to result in output pressure greater than marked maximum pressure of attachment. Do not use at pressure greater than the rated maximum pressure of this compressor.
WARNING: If connected to a circuit protected by fuses, use time-delay fuses with this product.
WARNING: To reduce the risk of electric shock, do not expose to rain. Store indoors.
WARNING: Ensure the hose is free of obstructions or snags. Entangled or snarled hoses can cause loss of balance or footing and may become damaged.
WARNING: Use the air compressor only for its intended use. Do not alter or modify the unit from the original design or function. Never weld or drill holes in the air tank.
WARNING: Never leave a tool unattended with the air hose attached.
WARNING: Do not operate this tool if it does not contain a legible warning label.
WARNING: Do not continue to use a tool or hose that leaks air or does not function properly.
WARNING: Do not attempt to pull or carry the air compressor by the hose.
WARNING: Your tool may require more air consumption than this air compressor is capable of providing.
WARNING: Never direct a jet of compressed air toward people or animals.
WARNING: Protect your lungs. Wear a face or dust mask if the operation is dusty.
WARNING: Do not use this air compressor to spray chemicals. Your lungs can be damaged by inhaling toxic fumes. A respirator may be necessary in dusty environments or when spraying paint.
Electrical Safety
Avoid body contact with grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is grounded.
Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
Replace damaged cords/wiring immediately. Damaged cords/wiring increase the risk of electric shock.
Electrical Safety (Electrical Connection)
This air compressor is powered by a precision built electric motor. It should be connected to a power supply that is 240 volts, 60 Hz, AC only (normal household current).
Do not operate this tool on direct current (DC). A substantial voltage drop will cause a loss of power and the motor will overheat. If the air compressor does not operate when plugged into an outlet, double check the power supply.
Electrical Safety (Speed and Wiring)
The no-load speed of the electric motor varies by model and specification. The motor speed is not constant and decreases under a load or with lower voltage. For voltage, the wiring in a shop is as important as the motor's horsepower rating.
A line intended only for lights cannot properly carry a power tool motor. Wire that is heavy enough for a short distance will be too light for a greater distance. A line that can support one power tool may not be able to support two or three tools.
Electrical Safety (Grounding Instructions)
WARNING: Risk of electrical shock. Improper electrical grounding can result in electrical shock. The wiring should be done by a qualified electrician.
WARNING: Risk of electrical shock. Electrical wiring must be located away from hot surfaces such as manifold assembly, compressor outlet tubes, heads, or cylinders.
CAUTION: Improper electrical installation of this product may void its warranty and your fire insurance. Have circuit wiring performed by qualified personnel such as a licensed electrician who is familiar with the current national electrical code and any prevailing local electrical codes.
A qualified electrician needs to knows the following before wiring:
The amperage rating of the electrical box should be adequate. Refer to the Specifications for this information.
The supply line should have the same electrical characteristics (voltage, cycle, phase) as the motor. Refer to the motor nameplate, on side of motor, for this information.
NOTICE: The wiring used must be rated for the motor nameplate voltage, plus or minus 10%. Refer to local codes for recommended wire sizes, correct wire size, and maximum wire run; undersize wire causes high amp draw and overheating to the motor.
This product should be connected to a metallic, permanent wiring system, or an equipment-grounding terminal or lead on the product.
Air Distribution System
WARNING: Risk of bursting. Plastic or PVC pipe is not designed for use with compressed air. Regardless of its indicated pressure rating, plastic pipe can burst from air pressure. Use only metal pipe for air distribution lines.
Figure 1 represents a typical air distribution system. The following are tips to remember when setting up the air compressor's air distribution system.
Figure 1: Typical Compressed Air Distribution System
This diagram illustrates a typical setup for distributing compressed air. It shows the air compressor connected to a main distribution line, which then branches out to various air usage lines. Key components include:
Air Flow Direction: Indicated by arrows, generally from left to right.
Feeder Lines Slope: Feeder lines should slope with the air flow.
Main Distribution Air Lines: These should slope in the direction of air flow. Water condensate flows along the bottom of the pipe to drain legs, preventing it from entering feeder lines.
Drain Legs: Located at low points to collect condensate.
Drain Valves: Used to drain collected condensate from drain legs and filters.
Filter/Moisture Traps: Multiple stages of filtration are shown, including a 5-micron filter and a 0.01-micron filter, to remove water, oil, and other contaminants.
Lubricator: Used for tools requiring lubrication.
Regulator: Controls air pressure to downstream components. A separate regulator is recommended for individual air tools.
Air Tool: Represents a pneumatic tool that uses compressed air.
Air Discharge Valve: Connects the compressor tank to the distribution system.
Flexible Coupling: Recommended between the discharge outlet and the main line to allow for vibration.
Spray Gun: Shown as an example of an air-driven tool.
Ball Filter: Another type of filter shown.
Tips for Air Distribution:
If piping is over 100' (30.5 m) long, use the next larger size.
Bury underground lines below the frost line and avoid pockets where condensation can gather and freeze. Apply pressure before underground lines are covered to make sure all pipe joints are free of leaks.
A flexible coupling is recommended to be installed between the globe valve/air discharge outlet and main air distribution line to allow for vibration.
A separate regulator is recommended to control the air pressure. Air pressure from the tank is usually too high for individual air driven tools.
DO NOT install lubricators between the tank and any spray equipment, air tool or accessory requiring oil-free filtered air.
Drain all traps, filters and dirt legs daily.
WARNING: RISK OF BURSTING. ALWAYS use metal piping and fittings.
Warranty
Husky Air Compressor Limited Two-Year Warranty
This warranty covers defects in workmanship or materials in this Husky air compressor for the two-year period from the date of purchase. This warranty is specific to this air compressor model. Warranties for other Husky products may vary.
This warranty applies only to the original retail purchaser and may not be transferred. This warranty does not cover normal wear and tear or any malfunction, failure or defect resulting from misuse, abuse, neglect, alteration, modification or repair by other than a service center authorized to repair Husky branded air compressors. Expendable materials, such as motor brushes, seals, etc. are not covered by this warranty. This warranty does not apply to this compressor used in industrial applications or for rental purposes. Husky makes no warranties, representations or promises as to the quality or performance of its air compressors other than those specifically stated in this warranty.
Additional Limitations
To the extent permitted by applicable law, all implied warranties, including warranties of merchantability or fitness for a particular purpose, are disclaimed. Any implied warranties, including warranties of merchantability or fitness for a particular purpose, that cannot be disclaimed under state law are limited to two years from the date of purchase. Husky is not responsible for direct, indirect, incidental, special or consequential damages. If this air compressor is used for commercial purposes, the warranty will apply for ninety (90) days from the date of purchase. Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.
Please contact the Customer Service Team at 1-888-43-HUSKY or visit www.huskytools.com.
Specifications
Air Compressor
Running horsepower
3.7 HP
Air tank capacity
60 gal.
Air pressure
155 PSI max.
Air delivery
13.4 SCFM at 40 PSI 11.5 SCFM at 90 PSI
Lubrication
Oil Lube
Input
240 V, 60 Hz, Single Phase AC only, 13.5 Amps.
Minimum Branch Circuit Requirement
20A
Fuse Type
Time Delay
Net weight
218 lbs.
Duty Cycle
This air compressor pump is capable of running continuously. However, to prolong the life of your air compressor, it is recommended that a 50% average duty cycle be maintained; that is, the air compressor pump should not run more than 30 minutes in any given hour.
Tools Required
? Safety goggles
? 9/16 wrench
ड्रिल Electric Drill
Hardware Needed (for anchoring)
NOTICE: Hardware not shown to actual size.
Part
Description
Quantity
BB
Concrete Anchors
4
CC
3/8" Lag Screw to fit concrete anchors
4
DD
Shims
as needed
Figure 3: Anchoring Diagram (Conceptual)
This diagram shows how to anchor the air compressor. It illustrates the placement of lag screws (CC) through the compressor feet (J) and washers (AA) into concrete anchors (BB) set in the concrete surface. Shims (DD) can be used to level the unit.
Package Contents
Hardware Included
NOTICE: Hardware not shown to actual size.
Part
Description
Quantity
AA
5/8" Flatwasher
4
Assembly
1. Location of the air compressor
Locate the air compressor in a clean, dry, and well ventilated area.
Locate the air compressor at least 18 in. (0.5 m) away from the wall or other obstructions that will interfere with the flow of air.
Locate the air compressor as close to the main power supply as possible to avoid using long lengths of electrical wiring. NOTE: Long lengths of electrical wiring could cause power loss to the motor.
The air filter must be kept clear of obstructions which could reduce air flow to the air compressor.
2. Anchoring of the air compressor (Figure 3)
WARNING: Risk of bursting. Excessive vibration can weaken the air tank and cause an explosion. The compressor must be properly mounted.
The air compressor MUST be bolted to a level, solid concrete surface. Use 3/8" lag screws, washers (supplied) and concrete anchors. If help is needed anchoring the air compressor consult a licensed contractor.
Place the air compressor on a level, solid concrete surface. Make sure the concrete is in good condition with no cracks or damage.
Mark the surface using the holes in the air compressor feet (J) as a template.
Drill holes in the surface for the concrete anchors. Install concrete anchors (BB).
Line-up holes in surface with holes in air compressor feet (J).
Place the washers (AA, supplied) between the floor and air compressor feet, see figure. If needed use shims (DD) to level the unit.
Place the 3/8" lag screws (CC) through the air compressor feet (J), washers (AA) and into the anchors (BB).
Torque 3/8" lag screws to 7-10 ft.-lbs (9.5-13.5 Nm).
3. Breaking in the pump
NOTICE: Risk of property damage. Serious damage may result if the following break-in instructions are not closely followed.
This procedure is required before the air compressor is put into service and when the check valve or a complete compressor pump has been replaced.
Make sure the Auto/Off switch (A) is in the "Off" position.
Check oil level in pump. See Oil paragraph in the Maintenance section for instructions.
Recheck all wiring. Make sure wires are secure at all terminals connections. Make sure all contacts move freely and are not obstructed.
Open the drain valve (F) fully to permit air to escape and prevent air pressure build up in the air tank during the break-in period.
Move the Auto/Off switch (A) to "Auto" position. The compressor will start.
Run the air compressor for 20 minutes. Make sure the drain valve and all air lines are open so there is only a minimal air pressure build-up in tank.
Check all air line fittings and connections/piping for air leaks by applying a soap solution. Correct if necessary.
NOTICE: Minor leaks can cause the air compressor to overwork, resulting in premature breakdown or inadequate performance.
Check for excessive vibration. Readjust or shim air compressor feet, if necessary.
After 20 minutes, close the drain valve. The air receiver will fill to "cut-out" pressure and the motor will stop. The air compressor is now ready for use.
Operation
1. Draining the tank (Figure 2, 4)
WARNING: Risk of unsafe operation. Air tanks contain high pressure air. Keep face and other body parts away from outlet of drain. Use eye protection [ANSI Z87.1 (CAN/ CSA Z94.3)] when draining as debris can be kicked up into face.
WARNING: Risk from noise. Use ear protection (ANSI S12.6 (S3.19) as air flow noise is loud when draining.
WARNING: Risk of bursting. Water will condense in the air tank. If not drained, water will corrode and weaken the air tank causing a risk of air tank rupture.
NOTICE: Risk of property damage. Drain water from air tank may contain oil and rust which can cause stains.
NOTICE: All compressed air systems generate condensate that accumulates in any drain point (e.g., tanks, filter, aftercoolers, dryers). This condensate contains lubricating oil and/or substances which may be regulated and must be disposed of in accordance with local, state, and federal laws and regulations.
NOTICE: If drain valve is plugged, release all air pressure. The valve can then be removed, cleaned, then reinstalled.
Set the Auto/Off switch (A, Figure 2) to "Off".
Slowly bleed the air from the air tank and air distribution system until tank pressure is approximately 20 psi.
Drain water from air tank by opening drain valve (F) on bottom of tank.
After the water has been drained, close the drain valve. The air compressor can now be stored.
Figure 4: Drain Valve Location
This diagram shows the bottom of the air tank, indicating the location of the drain valve (F).
2. Checking the safety valve (Figure 5)
DANGER: Do not tamper with the safety valve. Items loosened from this device could fly up and hit you. Failure to heed this warning could result in death or serious personal injury. The safety valve automatically releases air when the receiver pressure exceeds the preset maximum. Check the valve before each day of use by pulling the ring by hand.
WARNING: If air leaks after releasing the safety valve ring or if the valve is stuck, do not use the air compressor until the safety valve has been replaced. Using the air compressor in this condition could result in serious personal injury.
Set the Auto/Off switch (A) to "On". and wait for the tank to fill. The compressor automatically shuts off when the pressure reaches the preset maximum.
Set the Auto/Off switch (A) to "Off".
Pull the ring on the safety valve (C) for 20 seconds to release the air.
Release the ring. Air stops escaping at about 20 psi. If air continues to escape after releasing the safety valve ring, discontinue use and seek service before using the air compressor again.
Figure 5: Safety Valve Location
This diagram shows the compressor components, highlighting the safety valve (C) and the Auto/Off switch (A).
3. Before each start-up (Figure 5)
WARNING: Risk of unsafe operation. Firmly grasp air hose in hand when installing or disconnecting to prevent hose whip.
WARNING: Risk of unsafe operation. Do not use damaged or worn accessories.
WARNING: Risk of bursting. Too much air pressure causes a hazardous risk of bursting. Check the manufacturer's maximum pressure rating for air tools and accessories. The regulator outlet pressure must never exceed the maximum pressure rating.
Place Auto/Off switch (A, Figure 5) to "Off".
Close the air discharge outlet.
Visually inspect air lines and fittings for leaks.
Check safety valve. See Checking the Safety Valve paragraph.
CAUTION: Risk of unsafe operation. Compressed air from the unit may contain water condensation and oil mist. Do not spray unfiltered air at an item that could be damaged by moisture. Some air tools and accessories may require filtered air. Read the instructions for the air tools and accessories.
NOTICE: A regulator MUST be installed when using accessories rated at less than 135 psi. The hose or accessory will require a quick connect plug if the air outlet is equipped with a quick connect socket.
4. How to start (Figure 2)
Turn the Auto/Off switch (A, Figure 2) to "Auto" and allow tank pressure to build. Motor will stop when tank pressure reaches "cut-out" pressure.
When the tank pressure reaches "cut-out" pressure open the air discharge valve.
WARNING: Risk of bursting. If any unusual noise or vibration is noticed, stop the air compressor immediately and have it checked by a trained service technician.
NOTICE: When using regulator and other accessories refer to the manufacturers instructions.
Maintenance
General Maintenance
Condensate forms in the tank when there is humidity in the air. Depending on the environmental conditions, drain the condensate daily and/or every hour. For instructions, see Draining the tank paragraph under Operation.
The safety valve automatically releases air when the receiver pressure exceeds the preset maximum.
Inspect the tank annually for rust, pin holes, or other imperfections that could cause it to become unsafe.
Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use.
Use clean cloths to remove dirt, dust, oil, grease, etc.
WARNING: Do not allow brake fluids, gasoline, petroleum based products, etc., to come in contact with plastic parts. Chemicals can weaken or destroy plastic which, may result in serious personal injury.
WARNING: When servicing, use only identical Husky replacement parts. Use of any other parts may create a hazard or cause product damage.
WARNING: Always disconnect the air compressor from the power supply, release all pressure, and allow it to cool before cleaning or making repairs on the air compressor.
1. Oil (Figure 6)
NOTICE: Risk of property damage. Use air compressor oil only. Multi-weight automotive engine oils like 10W30 should not be use in air compressors. They leave carbon deposits on critical components, thus reducing performance and compressor life.
NOTE: Use 30W compressor oil or a heavy duty SAE 30W, non-detergent, SF grade or better oil. DO NOT use multi-weight automotive engine oils, they will reduce compressor life. Under extreme winter condition use SAE-10 weight oil.
NOTE: Crankcase oil capacity is approximately 29 fluid ounces (857,6 ml).
Checking
The oil level should be to the middle of the sight glass (N).
If needed remove oil fill plug (L) and slowly add oil until it reaches the middle of the sight glass.
Changing
CAUTION: Overfilling with oil will cause premature air compressor failure. Do not overfill.
Remove the oil fill plug (L).
Remove the oil drain plug (M) and drain oil into a suitable container.
Replace the oil drain plug (M) and tighten securely.
Slowly add compressor oil until it reaches the middle of the sight glass (N). NOTE: When filling the crankcase, the oil flows very slowly into the pump. If the oil is added too quickly, it will overflow and appear to be full.
Replace oil fill plug (L) and tighten securely.
Figure 6: Oil Fill and Drain Locations
This diagram shows the oil fill plug (L), oil drain plug (M), and oil sight glass (N) on the compressor pump.
2. Air Filter
WARNING: Hot surfaces. Risk of burn. Compressor heads are exposed when filter cover is removed. Allow compressor to cool prior to servicing.
CAUTION: Keep the air filter clean at all times. Do not operate the air compressor with the air filter removed.
A dirty air filter will not allow the air compressor to operate at full capacity. Keep the air filter clean at all times.
Remove the air filter cover.
Remove the air filter from filter cover.
Place new air filter into filter cover.
Replace air filter cover to pump.
3. Belt Guard – Removal
Turn air compressor off, lock out the power supply, and relieve all air pressure from the air tank.
Remove the five screws from the belt guard. The front belt guard can now lifted up and away from unit.
4. Belt - Replacement
WARNING: Serious injury or damage may occur if parts of the body or loose items get caught in moving parts. Never operate the outfit with the belt guard removed. The belt guard should be removed only when the air compressor power is disconnected.
Turn air compressor off, lock out the power supply, and relieve all air pressure from the air tank.
Remove the belt guard.
Mark pump position on saddle.
Loosen the motor mounting screws and slide the motor toward the air compressor.
Remove the belt and replace with a new one.
See the Adjust Belt Tension before tightening motor mounting screws.
5. Adjusting Belt Tension (Figure 7)
Slide motor into original position, line the motor up with the mark made earlier on saddle.
Tighten two outside motor mounting screws enough to hold the motor in place for checking pulley and flywheel alignment.
The belt should deflect 3/16" (4.8 mm) at midway between the pulley and the flywheel when a 5 pound (2.26 kg.) weight is applied at the midway point.
When proper belt tension is achieved, tighten all four motor mounting screws. Torque to 20-25 ft-lbs (27.1-33.9 Nm).
NOTICE: Once the engine pulley has been moved from its factory set location, the grooves of the flywheel and pulley must be aligned to within 1/16" (1.6 mm) to prevent excessive belt wear. Verify the alignment by performing the following Pulley and Flywheel - Alignment.
Figure 7: Belt Tension Adjustment
This diagram illustrates the concept of belt deflection, showing a downward force applied to measure how much the belt deflects between the pulley and flywheel.
6. Motor Pulley/Flywheel Alignment (Figure 8)
The air compressor flywheel and motor pulley must be in-line (in the same plane) within 1/16" (1.6 mm) to assure belt retention within flywheel belt grooves. To check alignment, perform the following steps:
Turn air compressor off, lock out the power supply, and relieve all air pressure from the air tank.
Remove belt guard.
Place a straightedge (S) against the outside of the flywheel (P) and the motor drive pulley (R).
Measure the distance between the edge of the belt (Q) and the straightedge at points A1 and A2 in figure. The difference between measurements should be no more than 1/16" (1.6 mm).
If the difference is greater than 1/16" (1.6 mm) loosen the set screw holding the motor drive pulley (R) to the shaft and adjust the pulley's position on the shaft until the A1 and A2 measurements are within 1/16" (1.6 mm) of each other.
Tighten the motor drive pulley set screw.
Visually inspect the motor drive pulley to verify that it is perpendicular to the drive motor shaft. Points B1 and B2 of Figure should appear to be equal. If they are not, loosen the setscrew of the motor drive pulley and equalize B1 and B2, using care not to disturb the belt alignment performed in step 2.
Retighten the motor drive pulley setscrew. Torque to 145–165 in lbs (16.4–20.3 Nm).
Reinstall belt guard.
Figure 8: Pulley and Flywheel Alignment
This diagram shows how to check pulley and flywheel alignment using a straightedge (S) against the flywheel (P) and motor pulley (R), measuring at points A1 and A2.
7. Air Compressor Pump Intake and Exhaust Valves
Once a year bring the compressor to a service center. and have a Trained Service Technician check the air compressor pump intake and exhaust valves.
8. Inspect Air Lines and Fittings for Leaks
Turn air compressor off, lock out the power supply, and relieve all air pressure from the air tank.
Apply a soap solution to all air line fittings and connections/piping.
Correct any leaks found.
NOTICE: Even minor leaks can cause the air compressor to overwork, resulting in premature breakdown or inadequate performance.
9. Air compressor Head Bolts - Torquing
The air compressor pump head bolts should be kept properly torqued. Check the torques of the head bolts after the first five hours of operation. Torque to 12–17 ft.-lbs. (16.3–23.0 Nm).
10. Additional Service
Disassembly or service of the air compressor beyond what is covered in this manual is not recommended. If additional service is required, contact 1-888-43-HUSKY for further assistance.
Storage
Before you store the air compressor, make sure you do the following:
Review the Maintenance section on the preceding pages and perform scheduled maintenance as necessary.
Drain water from air tank. See To Drain Tank under Operation.
WARNING: Water will condense in the air tank. If not drained, water will corrode and weaken the air tank causing a risk of air tank rupture.
Troubleshooting
Compressor does not run.
Problem
Possible Cause
Solution
Compressor does not run.
Tank has insufficient pressure.
When the tank pressure drops, the compressor will turn on to cut-in pressure.
No electrical power.
Verify wiring connection inside pressure switch and terminal box area.
Blown stop/house fuse.
Replace the shop/house fuse.
Tripped shop/home breaker.
Reset the shop/home breaker and determine the underlying cause.
Thermal overload is open.
Place the Auto/Off switch in the "Off" position. Allow the motor to cool. Depress the red reset button on the motor. Place the Auto/Off switch in the "Auto" postion to restart the motor.
Loss of power or overheating.
Verify wiring. NOTE: Long lengths of electrical wiring could cause power loss to the motor.
Pressure switch is bad.
Replace the pressure switch.
Motor hums but does not run or runs slowly.
Problem
Possible Cause
Solution
Motor hums but does not run or runs slowly.
Low voltage.
Check voltage with a voltmeter.
Loose electrical connections.
Verify wiring connection inside pressure switch and terminal box area.
Shorted or open motor winding.
Bring the compressor to a service center.
Defective check valve or unloader.
Bring the compressor to a service center.
Fuses blow or circuit breaker trips repeatedly.
Problem
Possible Cause
Solution
Fuses blow or circuit breaker trips repeatedly.
Incorrect fuse size, circuit overload.
Verify proper fuse size is being used. Use time-delay fuses.
Loose electrical connections.
Disconnect other electrical appliances from the circuit or operate compressor on its own branch circuit.
Knocking Noise
Problem
Possible Cause
Solution
Knocking Noise
Loose pulley.
Tighten pulley set screw.
Loose flywheel.
Tighten flywheel screw.
Compressor mounting screws loose.
Tighten mounting screws.
Loose belt.
Check belt tension.
Carbon build-up in pump.
Bring the compressor to a service center.
Loose electrical connections.
Verify wiring connection inside pressure switch and terminal box area.
Defective check valve or unloader.
Bring the compressor to a service center.
Excessive belt wear
Problem
Possible Cause
Solution
Excessive belt wear
Belt too tight.
Check belt tension.
Loose belt.
Check belt tension.
Tight belt.
Check belt tension.
Loose pulley.
Bring the compressor to a service center.
Squealing sound
Problem
Possible Cause
Solution
Squealing sound
Pulley misalignment.
Align pulley/flywheel.
Compressor pump has no oil.
Check pump oil
Restricted air intake
Problem
Possible Cause
Solution
Restricted air intake
Loose belt.
Check belt tension.
Dirty air filter.
Clean or replace air filter.
Oil and/or moisture in tank and/or air lines
Problem
Possible Cause
Information
Oil and/or moisture in tank and/or air lines
Water condensation
It is normal for oil lube air compressor pumps to release some oil into the tank and air lines. Air compressors will also generate water condensation that will form in the tank and air lines. Install water and oil filter traps when needed. The Typical Compressed Air Distribution System provides a guideline. Contact a call Husky Customer Service for more information.
Oil blow-by in pump
IMPORTANT: If the tank or air lines have excessive water and/ or oil, bring the compressor to a service center.
Exploded View - Motor/Pump Assembly
Notes on Torque Specifications:
Torque to 25-27 lb-ft. (33.9-36.6 N•m)
Torque to 14-16 lb-ft. (19.0-21.7 N•m)
Torque to 9-12 lb-ft. (12.2-16.3 N•m)
Torque to 8 lb-ft. (10.9 N•m)
Torque to 5 lb-ft. (6.8 N•m)
This section provides a detailed exploded view diagram of the motor and pump assembly, showing all components with corresponding numbers for reference in the parts list. Torque specifications for various fasteners are also provided.
Parts List - Motor/Pump Assembly
ITEM NUMBER
PART NUMBER
QUANTITY
DESCRIPTION
1
NA
3
SCREW, M4 X 8
2
NA
3
LOCK WASHER, M4
3
042-0112
1
INLET COVER
4
118-0032
2
SCREEN
5
019-0220
1
FILTER, FELT
6
NA
4
SCREW, M8 X 60
7
NA
16
LOCK WASHER, M8
8
042-0108
1
HEAD ASSEMBLY
9
NA
4
SCREW, M8 X 35
10
046-0283
1
GASKET, HEAD
11
043-0180
1
VALVE PLATE ASSY (includes items 10 & 12)
12
046-0282
1
GASKET, CYLINDER
13
NA
12
SCREW, M8 X 20
14
050-0061
1
CYLINDER
15
046-0281
1
GASKET, CRANKCASE
16
049-0048
1
CRANKCASE (includes item 22)
17
056-0074
1
BREATHER
18
077-0185
1
CAP
19
NA
6
SCREW, M6 X 20
20
NA
6
LOCK WASHER, M6
21
046-0280
1
GASKET
22
051-0099
1
BEARING 205
23
NA
1
OIL DRAIN PLUG, 3/8" NPT
24
032-0072
1
OIL SIGHT GLASS W/ O-RING
25
053-0100
1
CRANKSHAFT
26
051-0100
1
BEARING 206
27
046-0284
1
GASKET
28
077-0172
1
CARRIER
29
046-0285
1
OIL SEAL
30
044-0064
1
FLYWHEEL, 12"A GROOVE
31
146-0026
1
KEY, 5MM X 5MM
32
NA
1
FLYWHEEL WASHER
33
NA
1
SCREW, M8 X 25
34
051-0098
2 PAIR
INSERT BEARING
35
047-0086
2
ROD
36
048-0116
2
PISTON ASSEMBLY
37
054-0235
2
RING SET
NA: These are standard parts available at your local hardware store.
This is a detailed exploded view diagram of the entire air compressor unit, showing the arrangement of all major components. Each part is numbered for reference in the 'Parts List - Unit Assembly'.
Parts List - Unit Assembly
ITEM NUMBER
PART NUMBER
QUANTITY
DESCRIPTION
1
E105987
1
BELTGUARD (OUTER)
2
NA
5
#10 PLASTITE SCREW
3
NA
9
BOLT, 5/16-18 X 1.25 THR FORM
4
E105988
1
BELTGUARD (INNER)
5
NA
2
SETSCREW
6
NA
1
KEY 5MM X 20MM
7
E105989
1
BELT 4L-520 "A" SECTION
8
E105990
1
PULLEY
9
E105991
1
CORD INTERCONNECT
10
NA
4
BOLT 5/16-18 X .75
11
NA
4
NUT 5/16-18 UNC
12
E105992
1
TANK ASSEMBLY PAINTED
12A
E105993
1
BUSHING 2" NPSM X 3/8" NPT
12B
E105994
1
BUSHING 2" NPSM X 1/4" NPTF
12C
NA
1
1/4" NPT DRAIN VALVE
12D
E105995
2
O-RING 2"
13
E105996
1
PUMP ASSEMBLY 755H
14
E105997
1
CONNECTOR MALE 1/4" NPT X 3/8" OD TUBE
15
E105998
2
3/8" OD TUBE COMPRESSION NUT ASSEMBLY
16
E105999
1
1/4" OD TUBE COMPRESSION NUT ASSEMBLY
17
E106000
1
OUTLET TUBE
18
E106001
1
PRESSURE RELIEF TUBE
19
E106002
1
CHECKVALVE 1/2" NPT X 3/8" OD TUBE
20
E106003
1
PRESSURE SWITCH
21
NA
1
NIPPLE 1/4" NPT-18 X 2.00
22
E106004
1
VALVE, ASME 175 PSI
23
E106005
1
GAUGE 300 PSI 1/4" NPT SIDE MOUNT
24
E106006
1
MOTOR
24A
E106007
1
START CAPACITOR
24B
E106008
1
RUN CAPACITOR
24C
E106009
1
START CAPACITOR COVER
24D
E106010
1
RUN CAPACITOR COVER
25
E106011
1
WARNING LABEL
26
E106012
1
HOT SURFACE WARNING LABEL
27
E106013
1
DRAIN TANK WARNING LABEL
NA: These are standard parts available at your local hardware store.
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