Wheel Drive Control Adjustment - Snapper 7800179 Manual Del Usuario

!
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.
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
Figure 19: Measuring the disengaged transmission spring
length
14
3. Fully engage the lever, and measure the length of the
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extended spring. The overall spring length should
increase by 0.020 – 0.025".
4. To adjust spring extension:
a.
b. To increase (+) the extended spring length, loosen
c.
5. Engage the lever and recheck the extended spring
length. Repeat Step 4 as needed.
A
Figure 20: Adjusting the transmission spring tension
IMPORTANT: INCORRECT ADJUSTMENT CAN CAUSE
PREMATURE WEAR AND/OR DAMAGE TO THE WHEEL
DRIVE COMPONENTS.
B
Disengage the lever.
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, one-half
turn out from the turnbuckle. Tighten the jam nut.
To decrease (-) the extended spring length, loosen
the jam nut, and rotate the ferrule one-half turn in
toward the turnbuckle. Tighten the jam nut.
B
+
C
-
A
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