Seesii Electric Grease Gun User Manual

Important Safety Instructions

Please read and understand all safety precautions, warnings, and operating instructions before operating or maintaining this power tool. Failure to observe basic safety rules can lead to accidents, bodily injury, or machine damage.

Work Area Safety

• Keep your work area clean and well lit. Cluttered or dark areas invite accidents.
• 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 children and bystanders away while operating a power tool. Distractions can cause you to lose control.

Electrical Safety

• Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools.
• Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
• Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
• Do not abuse the cord. Never use the cord for carrying, pulling, or unplugging the power tool. Keep the cord away from heat, oil, sharp edges, or moving parts. Damaged or entangled cords increase the risk of electric shock.
• When operating a power tool outdoors, use an extension cord suitable for outdoor use.
• If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply.

Personal Safety

• Stay alert, watch what you are doing, and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol, or medication.
• Always wear eye protection. Use personal protective equipment such as a dust mask, non-skid safety shoes, hard hat, or hearing protection.
• Prevent unintentional starting. Ensure the switch is in the off-position before connecting to the power source and/or battery pack.
• Remove any adjusting key or wrench before turning the power tool on.
• Do not overreach. Keep proper footing and balance at all times.
• Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing, and gloves away from moving parts.

Power Tool Use and Care

• Do not force the power tool. Use the correct power tool for your application.
• Do not use the power tool if the switch does not turn it on and off.
• Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.
• Store idle power tools out of the reach of children.
• Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the power tool's operation.
• Use the power tool, accessories, and tool bits in accordance with these instructions, taking into account the working conditions and the work to be performed.

Battery Tool Use and Care

• Recharge only with the charger specified by the manufacturer.
• Use power tools only with specifically designated battery packs.
• When the battery pack is not in use, keep it away from other metal objects that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.

Service

• Have your power tool serviced by a qualified repair person using only identical replacement parts.
• Never service damaged battery packs.
• Follow instructions for lubricating and changing accessories.
• Do not modify or attempt to repair the appliance or the battery pack except as indicated in the instructions for use and care.

Additional Specific Safety Rules for Grease Guns

• This equipment can produce high pressure. Misuse or misapplication can cause component rupture, fire, or explosion, resulting in serious bodily injury, including fluid injection or splashing in the eyes or on the skin. Seek medical attention immediately if such injuries occur.
• Never exceed the maximum working pressure of the lowest-rated component in the system. Check and tighten all connections, fittings, and hoses regularly.
• Do not hold the nylon hose while pumping the grease gun.
• Regular product inspection and maintenance, coupled with responsible operation, are required for continued safe operation.
• Always inspect the tool and hose assembly for damage or wear before using. Never use if any part is damaged or worn.
• Only use the grease recommended in this manual (refer to Specifications).
• Do not use the grease gun around or on moving parts, mechanisms, or running equipment.
• Air vents often cover moving parts and should be avoided. Loose clothes, jewelry, or long hair can be caught in moving parts.
• WARNING: Risk of injection or severe injury. Rupture of components can inject grease into skin or eyes, causing serious injury or infection. Do not treat as a simple cut. Seek immediate medical attention.
• WARNING: Output can be at high pressure. Do not direct discharge at yourself or others.
• WARNING: The grease gun may generate high pressure—up to 10,000 PSI (690 bar). Always wear gloves during operation. Keep hands clear of the exposed rubber portion of the hose.
• WARNING: Grease and lubricants may be flammable. Do not expose to flame or heat source.
• Follow all warnings and instructions from the grease and lubricant manufacturer.

Important Safety Instructions of the Battery and Battery Charger

You must charge the battery before you can use the brushless grease gun. Before using the battery charger, be sure to read all instructions and cautionary statements on it, the battery, and in this manual.

WARNING: IMPROPER USE OF THE BATTERY CHARGER CAN LEAD TO SERIOUS INJURY.

• NEVER disassemble the battery.
• NEVER incinerate the battery, even if it is damaged or completely worn out. The battery can explode in a fire.
• NEVER short-circuit the battery.
• NEVER insert any objects into the battery charger's air vents. Electric shock or damage to the battery charger may result.
• NEVER charge outdoors. Keep the battery away from direct sunlight and use only where there is low humidity and good ventilation.
• NEVER charge when the temperature is below 32°F (0°C) or above 104°F (40°C).
• NEVER connect two battery chargers together.
• NEVER insert foreign objects into the hole for the battery or the battery charger.
• NEVER use a booster transformer when charging.
• NEVER use an engine generator or DC power to charge.
• NEVER store the battery or battery charger in places where the temperature may reach or exceed 104°F (40°C).
• ALWAYS operate the charger on standard household electrical power (120 volts). Using the charger on any other voltage may overheat and damage the charger.
• ALWAYS wait at least 15 minutes between charges to avoid overheating the charger.
• ALWAYS disconnect the power cord from its receptacle when the charger is not in use.

PLEASE BE SURE TO RECYCLE THE BATTERY PACKS WHEN NOT LONGER USEABLE.

Storage Recommendations

The best storage place is one that is cool and dry, away from direct sunlight and excess heat or cold. Store the fully charged battery pack out of the charger.

Product Overview

Product Details and Components

Description: The image displays the Seesii Electric Grease Gun along with its various components, including the main gun body, battery, charger, flexible hose, extension pipe, sharp type nozzle, normal coupler, quick release coupler, gloves, and a plastic storage box.

1. Coupler
2. Battery
3. Flexible Hose
4. Start Lock Button
5. Switch Trigger
6. Hose Storage Holder
7. LED Light
8. LED Light Switch
9. Pressure Relief Valve
10. Exhaust knob
11. Cylinder
12. Rotary Handle Adjustment Button
13. Anti-slip Rubber
14. T-Plunger Lock and Release Button
15. T-Plunger
16. Shoulder Strap

Package Contents

• 1 * Cordless Grease Gun
• 2 * 2000 mAh Battery
• 1 * Charger
• 1 * 39.4 inch Flexible Hose
• 1 * Extension Pipe
• 1 * Sharp Type Nozzle
• 1 * Normal Coupler
• 1 * Quick Release Coupler
• 1 * Gloves
• 1 * Instruction Manual
• 1 * Plastic Storage Box

Product Demonstration Video

Description: This video demonstrates the Seesii Electric Grease Gun in action, showing its features like the quick release coupler, long hose, and ease of use for greasing heavy machinery.

Specifications

Setup and Assembly

Grease Loading

This grease gun supports 4 grease loading ways: cartridge loading, bulk loading, suction loading, and fill pump loading. The capacity is 400cc, which can load 14oz. cartridges.

Important Note on Cartridge Diameter:

The internal diameter of the cylinder of this grease gun is 54 mm. When purchasing cartridges, please ensure the diameter of the cartridge does not exceed 54 millimeters.

This grease gun is only suitable for NLGI #0, #1, and #2 grease. Please pay attention to the NLGI label when purchasing grease.

Description: A close-up image illustrating the 54mm inner diameter of the grease gun cylinder, crucial for selecting compatible grease cartridges.

General Loading Steps

1. Rotate to loosen the cylinder and take it off.
2. Pull up the T-Plunger of the cylinder to the end.
3. Put in the grease cartridge or fill the bulk grease.
4. Screw the cylinder back in a few threads without tightening it.
5. Press the plunger release button and push down on the T-Plunger to exhaust air.
6. Tighten the cylinder.
7. Install the hose and coupler.
8. Install the battery.

Step 1: Loosen the cylinder.

Step 2: Pull up the T-Plunger.

Step 3: Insert grease cartridge.

How to Install and Remove the Hose and Coupler

When installing the hose and coupler, tighten the ports with a wrench to ensure a tight seal.

NOTE: Since NPT tapered threads are used, it is normal for there to be a certain distance and a few threads not screwed in when tightening the hose and coupler. Ensure they are tightened enough for normal use.

Description: A detailed view of the grease gun's hose connection, highlighting the NPT tapered threads.

When removing the hose, use a wrench to loosen the connection point on the gun. CAUTION: Do not screw anywhere else!

When replacing the coupler, loosen the connection point on the hose to easily remove the nozzle. CAUTION: Do not screw anywhere else!

NOTE: When removing the hose or coupler, you need to be clear on where to unscrew it, incorrect removal may damage your coupler and grease gun.

How to Exhaust Air

To exhaust air from the grease gun:

1. Rotate the Exhaust Knob two times (loosen).
2. Press the trigger until the exhaust valve discharges air and a small amount of grease. This indicates the air has been exhausted.
3. Tighten the exhaust knob.

If grease still doesn't come out normally, repeat the operation until it does.

Description: The main product image, with the exhaust knob location indicated for air purging.

Operation

Adjusting to Different Usage Scenarios (2-in-1 Design)

The Seesii Electric Grease Gun features an innovative 2-in-1 design, allowing easy conversion between two forms to suit various greasing needs:

Form 1: Straight Handle Form
Recommended for greasing for a long time or many positions.

Form 2: Pistol Drill Form
Recommended for fewer grease zerks or when working time is short. Also convenient for positions higher than the chest.

To convert from Form 1 to Form 2:

1. Press and hold the Rotary Handle Adjustment Button with one hand.
2. With the other hand, rotate the handle to the left until it reaches the designated position.
3. Release the Rotary Handle Adjustment Button. The form switching is completed.

To convert from Form 2 back to Form 1:

1. Press the Rotary Handle Adjustment Button with one hand.
2. Rotate the handle to recover with the other hand.
3. Release the button. The switching is completed.

How to Use Start Lock Setting

The start lock feature allows the grease gun to operate continuously without holding the trigger.

To turn on the start lock:

1. Press the trigger switch, do not release it, and then press the start lock button (both the trigger and the lock button should be pressed).
2. Release the finger that presses both buttons. The grease gun will remain in the activated state.

To stop the start lock:

1. Press the trigger switch and the start lock button will pop automatically to stop the start lock.
2. Then release the trigger switch, the grease gun will stop working.

Maintenance

• After each use, pull up the T-handle to avoid wasting grease, then wipe the grease gun clean and store it properly.
• Regularly inspect the product and its components for any damage or wear.
• Ensure all connections, fittings, and hoses are checked and tightened regularly to prevent leaks and maintain system integrity.
• Keep the work area clean to prevent debris from entering the grease gun or contaminating grease.

Troubleshooting

Explanation and Solution for Overpressure Protection Device Grease Outflow

The electric grease gun has an overpressure protection device. The factory pressure is set at 7000PSI, which is suitable for most products. If the pressure exceeds 7000PSI, the device will trigger, discharging grease from the Pressure Relief Valve to prevent overload and protect the gun.

Description: The main product image, with the pressure relief valve location indicated.

Causes of Triggering Overpressure Protection:

1. Blockage of the grease circuit of the parts on the equipment that needs to be greased.
2. Rust of the grease zerks of the parts on the equipment that needs to be greased.

Solutions:

1. Unclog the grease circuit of the parts on the equipment that need to be greased.
2. Replace the grease zerks of the parts to be greased.

User Tips

• Easy Loading: Users have noted that the grease gun is simple to load with no big air pockets, contributing to efficient operation.
• Well-Distributed Weight: The design ensures the weight is well distributed, making it comfortable to handle during use.
• Long Hose for Accessibility: The flexible hose is long enough to reach hidden and hard-to-access greasing points, enhancing convenience.
• Cartridge Compatibility: The grease gun is designed for 400cc (14oz) cartridges, with an internal cylinder diameter of 54mm. Ensure your cartridges match this specification.
• Grease Type: Only use NLGI #0, #1, or #2 grease for optimal performance and to prevent issues.

Warranty and Support

Warranty Terms

Seesii products provide a one-year warranty and lifetime technical support. This warranty does not cover:

• Any natural wear and tear, or damage from overload work.
• Damage caused by lack of daily maintenance.
• Improper use and other man-made damage.
• A product modified or dismantled by an unauthorized repairman.
• Severe impact damage.

Technical Support

If you have any questions about your product or encounter any problems during installation or use, please do not hesitate to contact us. Our support team will respond within 24 hours.

Email: support@seesiius.com

If you encounter any problems when using, please send pictures or videos of product issues to our after-sales email box. We will arrange professional engineers to give professional guidance and warranty for the problem points in the video.