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, 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.
3.2.1. 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 TO DRAIN OIL 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. CHECK MOWER BLADE
1.Close vent on fuel cap and make sure cap is tight. See Figure 2.2.
2.Engage parking brake.
3.Turn key to “STOP” position and remove key from ignition switch. Remove spark plug wires.
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. Torque to: 33” Deck - 30 to 40 ft. lbs.
38” Deck - 80 to 90 ft. lbs. See Figure 3.2.
7.Check blade for sharpness, wear and damage. Refer to Section “BLADE WEAR LIMITS”.
TORQUE BLADE MOUNTING
BOLTS TO 30 TO 40 FT. LBS.
SINGLE BLADE DECK
TORQUE BLADE MOUNTING
BOLTS TO 80 TO 90 FT. LBS.
TWIN BLADE DECK
FIGURE 3.2
8.Check blade for straightness. Refer to Section
ADJUSTMENTS AND REPAIR – CHECKING MOWER BLADE 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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