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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.
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”.
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.
INSTALL HOSE
ONTO OIL DRAIN
NIPPLE
ROTATE 1/4 TURN
COUNTERCLOCKWISE
AND PULL OUT TO DRAIN
ENGINE OIL
OIL DRAIN
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
