Snapper YZ18426BVE, YZ20486BVE Service Every 25 Operating Hours 3.3.1. Engine, Mower Components

Section 3 - MAINTENANCE

3.3SERVICE EVERY 25 OPERATING HOURS 3.3.1. ENGINE

5.Air Filter

c. Reinstall air cleaner cover. Insert tabs located on the engine cover into corresponding slots in air cleaner cover. IMPORTANT: The yellow tabs must be completely inserted into air cleaner cover or the compartment will not be completely sealed to prevent debris from entering into the carburetor.

a. 18 HP Engines: Change air filter. Pull up and rotate the air cleaner latch to remove cleaner cover. See Figure 3.4.

IMPORTANT: When cover is removed, you are viewing the carburetor side of the air filter, which will appear clean. Remove filter and pre-cleaner for inspection.

AIR CLEANER

LATCH

c.Reinstall air cleaner cover. Insert tabs located at the bottom of the cover into corresponding slots in engine cover. Position cover and engage latch over cover and rotate and push down to lock.

3.3.2.MOWER COMPONENTS

1. Mower Drive Belt

Check belt for proper tension. No adjustment required. Replace belt as needed.

2. Mower Blade

Check blade for sharpness, wear, damage, and torque. See the section on Mower Blade Replacement/Repair.

3. Mower Deck Levelness

Check mower deck for proper levelness. Adjust as required. See section on Mower Deck Adjustment - Levelness.

4.Cleaning Mower Deck

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

b.Remove key from ignition switch. Engage parking brake.

c.Remove spark plug wire(s) and secure away from spark plug(s).

d.Raise cutting deck to highest setting.

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

	AIR CLEANER
FIGURE 3.4	COVER

b.Refer to engine owner's manual for cleaning and service instructions. Remove and clean engine air pre-cleaner. Remove and replace engine air cleaner. See Figure 3.5. Install pre-cleaner and air cleaner per engine owner’s manual.

AIR PRE-

CLEANER

AIR CLEANER

FIGURE 3.5

WARNING

Lifting or lowering the machine onto or down from blocks manually can cause severe injury. Always use a floor jack when raising machine.

f.Clean underside of mower deck, removing all accumulation of grass clippings and debris.

g.Lower SCRAMBLER to ground. Clean top of deck, removing all grass clippings and debris.

5.Mower Blade Spindle - Lubrication

a.Lubricate spindle bearings with three shots of general purpose grease from grease gun. See Figure 3.6.

TOP VIEW OF 48” DECK

LUBRICATE

SPINDLE

BEARINGS

FIGURE 3.6

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