TROY-BILT TB252S Straight Shaft String Trimmer User Manual
- June 3, 2024
- TROY-BILT
Table of Contents
TROY-BILT TB252S Straight Shaft String Trimmer
Instructions
ASSEMBLY TOOLS REQUIRED
- Flat-head screwdriver
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
Insert the short tab (the one without a hole) on the mount bracket into the
slot on the cutting head shield. Insert the bolt on the cutting head shield
into the hole on the mount bracket.
Place the washer and wing nut onto the bolt. Tighten the wing nut securely.
Remove the hanger cap from the attachment. If present, remove the gray spacer
from the coupler. Turn the knob counterclockwise to loosen the coupler. Align
the release button with the guide recess. Push the attachment straight into
the coupler until the release button snaps firmly into the primary hole. Turn
the knob clockwise to tighten the coupler.
Push the handle down onto the upper shaft housing. Make sure the bolt hole
faces to the right. Insert the bolt into the bolt hole. Tighten the bolt with
a flat-head screwdriver, but do not tighten the bolt completely .
Move the handle to a comfortable location. Make sure the handle is positioned
beyond the end of the safety label. Tighten the bolt until the handle is
secure. Mix thoroughly in a separate fuel can:
- 3.2 fl. oz. of 2-cycle engine oil
- 1 gallon of fresh unleaded gasoline (less than 30 days old)
NOTE: Do not mix directly in the unit fuel tank.
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
PRIME:
Slowly press and release the primer bulb 10 times, or until fuel is visible.
PRIME:
Move the choke lever to Position 1.
PRIME:
Crouch in the starting position. PRIME:
Press and hold the throttle lockout. Squeeze and hold the throttle control.
NOTE: Continue to SQUEEZE and HOLD the throttle lockout and the throttle
control for ALL further steps. PRIME:
Pull the starter rope with a controlled and steady motion 5 times.
DO NOT pull the starter rope more than 5 times. START:
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. 
START:
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.
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.
IMPORTANT: READ THE OPERATOR’S MANUAL THOROUGHLY AND FOLLOW THE SAFE OPERATION PRACTICES WHILE OPERATING THE UNIT.