Maintenance
! | WARNING | ! |
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
Wheel Drive Control Adjustment
The wheel drive control lever (A, Figure 18) should engage the transmission when the lever is squeezed back toward the handlebar, and should disengage the transmission when the lever is released.
A |
Figure 18: Wheel drive controls
(Components removed for clarity)
If the transmission does not engage or disengage, adjustment may be performed as follows:
1.Remove the rear cover from the mower. Refer to the section entitled “Rear Cover Removal & Installation”.
2.With the wheel drive control lever in the ‘DISENGAGE’ position, the spring (A, Figure 19) on the end of the wheel drive control cable should have no tension. Measure the overall length of the unextended spring (B).
A |
B |
Figure 19: Measuring the disengaged transmission spring length
3.Fully engage the lever, and measure the length of the extended spring. The overall spring length should increase by 0.020 – 0.025”.
4.To adjust spring extension:
a.Disengage the lever.
b.To increase (+) the extended spring length, loosen the jam nut (B, Figure 20) and rotate the ferrule (C) below the adjustment turnbuckle (A), located on the lower end of the wheel drive control cable,
c.To decrease
5.Engage the lever and recheck the extended spring length. Repeat Step 4 as needed.
B | A |
| |
+ |
|
C |
|
- |
|
Figure 20: Adjusting the transmission spring tension
IMPORTANT: INCORRECT ADJUSTMENT CAN CAUSE PREMATURE WEAR AND/OR DAMAGE TO THE WHEEL DRIVE COMPONENTS.
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