Section 4 - ADJUSTMENTS & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. Stop engine. Stop blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT. Avoid serious burns; allow all parts to cool before working on machine. Fuel Filler Cap and Vent must be closed securely to prevent fuel spillage.
4.2.2.MOWER DRIVE BELT ADJUSTMENT (FOR 28" DECKS ONLY)
1.Remove mower drive belt cover. Refer to Section “CHECK MOWER DRIVE BELT”.
2.Move blade lever up and over to the “ON” position.
3.Place deck cutting height in the 3rd position. Measure the belt spacing between idler pulley and belt. The distance should measure
| IDLER | ENGINE DRIVE | |
SPINDLE | PULLEY | ||
PULLEY | ASSEMBLY | ||
PULLEY | |||
|
|
FIGURE 4.3
4.If the distance is less than 1”, adjust belt tension.
5.Move blade lever to the “OFF” position.
6.Loosen hardware that secures the clamp that anchors the front frame assembly to the rear main case. See Figure 4.4.
7.Pull front frame forward until belt spacing, with blade lever “ON”, measures
8.Retighten hardware that secures clamp. Make sure hardware is tightened securely.
IMPORTANT: The SNAPPER Rear Engine Rider Models with 33” decks do not require belt tension adjustment. But, if front frame assembly clamp is loosened for any reason, recheck belt spacing between idler pulley and belt. With blade lever in the “ON” position, the distance should measure
9.When belt adjustment is complete it will be necessary to check Clutch/Brake Cable slack.
10.Disengage parking brake and allow pedal to remain in the engaged wheel drive (Up) position. See Figure 4.4A.
11.Clutch/Brake Cable should have approximately 3/16” of slack. If the cable does not have slack adjustment of cable must be performed.
SLIDE FRONT
END ASSMBLY
LOOSEN
HARDWARE
LOOSEN HARDWARE AND SLIDE FRONT
FRAME ASSEMBLY FORWARD TO OBTAIN THE
DESIRED BELT TENSION MEASUREMENT
FIGURE 4.4
12.Peel back the rubber clutch/brake pedal pad and push one ferrule through hole in pedal to attain slack in cable. See Figure 4.4A. Recheck cable for the approximate 3/16” of slack. Replace pedal pad when adjustment is complete.
IMPORTANT: Too much slack may cause improper clutching and braking could be affected. Too little slack may cause improper clutch function. Recheck service brake/park brake and readjust if necessary. Refer to
Section “SERVICE BRAKE/PARK BRAKE ADJUSTMENT”.
PEEL BACK PEDAL PAD. PUSH
ONE FERRULE THROUGH PEDAL.
RECHECK CABLE SLACK
FERRULE
| PEDAL IS SHOWN IN | |
FERRULE | THE ENGAGED OR UP | |
POSITION | ||
|
FIGURE 4.4A
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