Section 3 - MAINTENANCE
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.
3.2 SERVICE - AFTER FIRST 5 HOURS 3.2.4. CHECK BLADE DRIVE BELT
The blade drive consists of a single belt from the engine to the deck. Inspect for signs of deterioration and proper tension.
1.Lower deck to lowest setting.
2.Remove drive belt cover.
3.Slide cover back and rotate out on left side of mower deck. See Figure 3.3.
REMOVE
DRIVE BELT
FIGURE 3.3
4.On 42” models, check belt for excessive wear or damage; there are no adjustments to tighten belt on these models. See Figure 3.4. If belt is too loose to operate mower satisfactorily then a new belt will have to be installed. Refer to Section “MOWER DRIVE BELT REPLACEMENT”.
WARNING
The following procedure requires the engine and blades to be operated. Exercise extreme caution. Clear area of loose parts & tools first. Only operate blades when seated in the operator’s seat.
TOP VIEW OF BELT ROUTING
LEFT | RIGHT | |
SPINDLE | ||
SPINDLE | ||
PULLEY | ||
PULLEY | ||
|
ENGINE DRIVE
PULLEY ASSEMBLY
FIGURE 3.4
3.2.5.BLADE BRAKE
1.Check blade brake for proper function. Blade should stop rotating in 3 seconds or less after moving the blade control lever to the “OFF” position or after releasing the blade pedals.
WARNING
Blades must stop rotating in 3 seconds or less after the blade has been turned off. DO NOT operate machine until blade brake has been adjusted and functioning properly.
2.If the blade continues to rotate longer than 3 seconds do not operate machine. Refer to Section “BLADE BRAKE ADJUSTMENT” or contact your SNAPPER dealer for assistance.
3.2.6.SERVICE BRAKE / PARK BRAKE
1.Check machine brake for proper function. Engage park brake. Push machine. Rear tires should skid. Drive machine forward and apply brake. Machine should come to a complete stop in less than 5 ft.
2.If brakes are not functioning properly brake adjustment must be completed before operating machine. Refer to Section “SERVICE BRAKE – PARK BRAKE ADJUSTMENT”.
3.2.7.INTERLOCK SYSTEM
Check interlock controls for proper function:
The engine MUST NOT start if:
1.Blade Control is “ON” and/or clutch/brake pedal is released.
The engine and blades MUST STOP if:
2.The operator leaves the operator position with Blade Control “ON” and/or clutch/brake pedal is released.
WARNING
DO NOT operate machine if interlock system is not functioning properly. Contact your SNAPPER dealer immediately for assistance.
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