Snapper LT180H38 IBV Check Mower Blade, Check 33 Deck Drive Belt, Check 38 Deck Drive Belt

Section 3 - MAINTENANCE

3.2.3. CHECK MOWER BLADE (Continued)

TORQUE 38” BLADES TO 70 TO 80 FT. LBS.

FIGURE 3.3

3.2.4.CHECK 33" DECK DRIVE BELT

1.With engine "OFF", move blade engagement lever to "ON".

2.Measure blade cable extension spring. Spring should extend 1" +/-1/8" for proper belt tension. See Figure 3.4.

BLADE CABLE

EXTENSION SPRING

X

X + 1” +/- 1/8”

FIGURE 3.4

3.To adjust tension, Refer to Section “BLADE BELT ADJUSTMENT”.

3.2.5.CHECK 38” DECK DRIVE BELT

1.On 38" model, check belt for excessive wear or damage and replace if necessary, there are no adjustments on this model.

3.3SERVICE - EVERY 25 OPERATING HOURS

3.3.1.CHECK ENGINE

1.Change engine oil. Refer to Section “CHANGE ENGINE OIL”. Refer to engine owner's manual for oil specification.

2.Change air filter. Pull up and rotate the air cleaner latch to remove cleaner cover. See Figure 3.5. 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

AIR CLEANER

COVER

FIGURE 3.5

2.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 3.6. Install pre-cleaner and air cleaner per engine owner’s manual.

AIR PRE-

CLEANER

AIR CLEANER

FIGURE 3.6

3.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.

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