Snapper YZ18426BVE, YZ20486BVE important safety instructions Maintenance

Section 3 - MAINTENANCE

3.1 INTRODUCTION

To retain the quality of the SCRAMBLER, use genuine SNAPPER replacement parts only. Contact a local SNAPPER dealer for parts and service assistance. For the correct part or information for a particular mower, always mention the model and serial number.

3.2 SERVICE - AFTER FIRST 5 HOURS

WARNING

DO NOT attempt any adjustments, maintenance or service with the engine or blade running. STOP blade. STOP engine. Set brake. Remove key. Remove spark plug wire from spark plug and secure wire away from spark plug. Engine and components can be extremely hot. Avoid burns by allowing engine and components sufficient time to cool.

3.2.1. CHANGE ENGINE OIL

1.Place bricks or wooden blocks under the front wheels to lower rear of engine.

2.Place a 4 quart minimum capacity container under the end of the oil drain.

3.Loosen or remove oil fill cap on engine.

4.Install the drain hose (Supplied in hardware bag) onto drain plug nipple and place hose into drain container.

5.Rotate drain plug counter-clockwise and pull out to open and allow oil to drain out. See Figure 3.1.

INSTALL HOSE

ONTO OIL DRAIN

NIPPLE

ROTATE 1/4 TURN

COUNTERCLOCKWISE

AND PULL OUT TOOIL DRAIN

DRAIN ENGINE OIL.

FIGURE 3.1

6.After all the oil has drained, close the drain by pushing in and rotating clockwise to close. Wipe up any oil that may have spilled. Dispose of drained oil properly. See Figure 3.1.

7.Change oil filter at every oil change. Refer to your engine owner’s manual for service instructions.

8.Fill engine crankcase with new oil. Refer to your engine owner’s manual for oil specifications.

3.2.2.SERVICE ENGINE AIR CLEANER The engine is equipped with a dual element air cleaner. Both the foam pre-cleaner and cartridge require service. Refer to Engine Owner's Manual for recommended service procedures.

3.2.3.CHECK MOWER BLADE

1.Close vent on fuel cap and make sure cap is tight.

2.Engage parking brake.

3.Turn key to “STOP” position and remove key from ignition switch.

WARNING

Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury.

4.Raise cutting deck to highest setting.

5.With a floor jack, carefully raise front of machine to gain easier access to under deck. Block machine securely.

6.Check torque of blade mounting bolts or nuts. Torque to:

42” Decks -- 30 to 40 ft. lbs. 48” Decks – 80 to 90 ft. lbs. See Figure 3.2.

7.Check blade for sharpness, wear and damage. Refer to Section “BLADE WEAR LIMITS”.

BLADE MOUNTING TORQUE:

42” -- 30 TO 40 FT. LBS. 48” -- 80 TO 90 FT. LBS.

TWIN & TRIPLE BLADE DECK

FIGURE 3.2

8.Check blade for straightness.

WARNING

DO NOT use a cutting blade that shows signs of excessive wear or damage. Refer to Section “MOWER BLADE REPLACEMENT” for proper blade inspection and service procedures.

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