Snapper LT145H38FBV, LT145H33FBV Service Every 25 Operating Hours, Check Engine, Mower Components

Section 3 - MAINTENANCE

3.2.3. CHECK MOWER BLADE (Continued)	3.3	SERVICE - 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.	Remove and clean engine air pre-cleaner. See
	Figure 3.5. Refer to engine owner's manual for
	cleaning instructions.

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.

12

ENGINE AIR

CLEANER

ENGINE AIR

PRE-CLEANER

FIGURE 3.5

3.Remove and replace engine air cleaner. See Figure 3.5. Refer to engine owner's manual for service instructions.

3.3.2.MOWER COMPONENTS

1.Check deck drive belt for proper tension. Refer to Section “CHECK DECK DRIVE BELT”.

2.Check blades for sharpness, wear, damage and torque. Refer to Section “MOWER BLADE REPLACEMENT”.

3.Check mower deck for proper levelness. Refer to Section “MOWER DECK ADJUSTMENT -

LEVELNESS”.

4.Clean mower deck.

a.Remove key from ignition switch.

b.Remove deck.

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

d.Clean top of deck, removing all grass clippings and debris.

5.33" and 38” blade spindle lubrication.

a.Lubricate spindle with 1 to 3 shots of general purpose grease from grease gun.

6.Lubricate all mower deck linkage pivot points with a light coat of motor oil.

3.3.3.CHECK BLADE BRAKE

1.Refer to Section “CHECK BLADE BRAKE”.