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 four
3.Slide cover back and rotate out.
REMOVE FOUR
SCREWS TO REMOVE
COVER
FIGURE 3.3
4.With engine “OFF” and deck in 3rd height of cut position, move blade lever back to the “ON” position and depress blade pedals.
5.Measure the belt spacing at idler pulley. See Figure 3.4. The belt spacing should be 1 1/4” but no less 1”. If the measurement is less than 1”, the belt tension should be adjusted. Refer to Section “MOWER DRIVE BELT ADJUSTMENT”.
ENGINE
PULLEY
BELT SPACING SHOULD BE
IDLER
PULLEY
| MOWER |
FIGURE 3.4 | DECK |
PULLEY |
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.
3.2.8.REVERSE LOCKOUT MECHANISM
Check function of Reverse Lockout Mechanism with engine off.
1.Depress and hold blade pedals.
2.Depress and hold clutch/brake pedal.
3.Shift lever must not go into reverse.
WARNING
DO NOT operate machine if Reverse Lockout Mechanism is not functioning properly. Contact your SNAPPER dealer immediately for assistance.
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