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Engine
•
Refer to the engine service manual provided with this unit.
Belts
•
Occasionally check the belt for wear. A worn belt should be replaced.
Belt Adjustment
During the first few hours of operation all belts go through a "break-in period" after which the belts
may need to be adjusted using the following instructions. Indications that the belts need to be
adjusted include:
•
Loss of power at the trimming head causing the head to spin unusually slow or stop.
•
Excessive wear on belt due to slipping.
•
The belt used to engage/disengage the trimmer head can be adjusted using the following
instructions:
1. Locate the thumb wheel adjuster on the control cable
2. Release control bail to disengage trimmer head.
3. Rotate thumb wheel a few turns counterclockwise
4. Re-engage trimmer head.
5. If trimmer head has not returned to normal operation, repeat steps 2-4.
Important!
Do not over tighten cable adjuster. This may cause the cable to break.
Excessive force should NOT be required to fully engage control bail.
Belt Replacement
Head Engagement Belt A Replacement
1.
Remove front belt cover.
2.
Remove old belt.
3.
Install new belt by first routing belt under the engine and around lower engine pulley E .
4.
Then route belt between two idler pulleys as shown D .
5.
Install belt around front pulley B .
6.
Ensure that belt is correctly installed between the belt guides C and adjacent pulley. Ensure that belt is correctly installed in the
grove of each pulley.
7.
If belt tension had previously been adjusted, reset thumb wheel adjuster by rotating wheel clockwise as far as adjuster will allow
(see illustration in belt adjustment instructions). If head does not properly engage refer to belt adjustment instructions.
8.
Reinstall front belt cover.
Thumb wheel
.
(see illustration)
(from normal operating position).
9
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