TROY-BILT® Fast Guide™

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Important Safety Information

Read the operator's manual thoroughly before operating the unit. Follow all warnings and safety instructions. This fast guide is intended as a reference for users that have already read the operator's manual and are familiar with the necessary safety precautions.

Assembly Instructions

A #2 Phillips screwdriver is required for assembly.

  1. Cutting Head Shield Attachment: Insert the short tab (without a hole) on the mount bracket into the slot on the cutting head shield. Rotate the cutting head shield counterclockwise.
  2. Secure Cutting Head Shield: Insert the square bolt into the hole underneath the cutting head shield. Push the square bolt through the cutting head shield and mount bracket. Place the washer and wing nut onto the square bolt. Tighten the wing nut securely.
  3. Shaft Housing Connection: Push the lower shaft housing into the coupler. The holes on the lower shaft housing should align with the holes on the coupler. NOTE: If the holes do not align, remove the lower shaft housing, rotate the cutting head slightly (1/8th turn), and repeat this step.
  4. Coupler Screws: Insert the two screws into the aligned holes. Tighten the screws securely with a #2 Phillips screwdriver.
  5. Handle Placement: Push the handle down onto the upper shaft housing. Ensure the hex hole faces left. Insert the bolt into the hex hole. Place the washer onto the bolt. Screw the wing nut onto the bolt, but do not tighten it completely.
  6. Handle Adjustment: Move the handle to a comfortable location. Ensure the handle is positioned beyond the end of the safety label. Tighten the wing nut until the handle is secure.

Fueling Instructions

  1. Fuel Mixture (40:1 Ratio): Mix thoroughly in a separate fuel can: 3.2 fl. oz. of 2-cycle engine oil with 1 gallon of fresh unleaded gasoline (less than 30 days old). NOTE: Do not mix directly in the unit fuel tank.
  2. Fuel Tank Filling: Position the unit with the fuel cap facing up. Slowly remove the fuel cap. Fill the fuel tank. Reinstall the fuel cap. Move the unit at least 30 ft. (9.1 m) from the fuel container and the fueling site before starting the engine.

Starting Instructions

Unit Components Overview:

Priming Steps:

  1. Slowly press and release the primer bulb 10 times, or until fuel is visible.
  2. Move the choke lever to Position 1.
  3. Crouch in the starting position.
  4. Squeeze and hold the throttle control. NOTE: Continue to squeeze and hold the throttle control for all further steps.
  5. Pull the starter rope with a controlled and steady motion 5 times. DO NOT pull the starter rope more than 5 times.

Starting Steps:

  1. Move the choke lever to Position 2. Pull the starter rope with a controlled and steady motion 5 to 10 times to start the engine. Allow the engine to warm up for 60 seconds.
  2. Move the choke lever to Position 3. Allow the engine to warm up for an additional 60 seconds. The unit may be used during this time.

Troubleshooting: Didn't Start?

Repeat the starting instructions. If the unit still fails to start, refer to the operator's manual for additional starting and troubleshooting information.

Models: TB25C Curved Shaft String Trimmer, Curved Shaft String Trimmer, String Trimmer

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