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Section 4 - ADJUSTMENTS & REPAIR
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.
4.2.4. MOWER DRIVE BELT ADJUSTMENT
(FOR 28" & 30” DECKS ONLY)
1. Remove mower drive belt cover. Refer to
Section “CHECK MOWER DRIVE BELT”.
2. Move blade lever up and over to the “ON”
position.
3. Place deck cutting height in the 3rd position.
Measure the belt spacing at idler pulley. The
distance should measure 1-1/4” but no less than 1”.
See Figure 4.5.
FIGURE 4.5
4. If the distance is less than 1”, adjust belt tension.
5. Remove hairpin and flat washers from pivot stud.
See Figure 4.6.
6. Pull front frame forward until distance between
belt, with blade lever “ON”, measures 1-1/4”.
FIGURE 4.6
7. Install required number of snap-in frame spacers
behind channel pivot until the 1-1/4” distance between
belt is maintained. See Figure 4.7.
FIGURE 4.7
8. Reinstall the required amount of flat washers
removed in step “5.” and install hairpin. See Figure
4.6. Retain any remaining spacers for readjustment
when a new belt is installed.
IMPORTANT: The SNAPPER Rear Engine Rider
Models with 28” AND 30” decks are shipped with
additional spacers specifically designed for the Rear
Engine Rider. Should additional spacers be required,
contact an authorized SNAPPER dealer. Snapper
Models with 33” decks do not require belt tension
adjustment.
1-1/4”
SPINDLE
PULLEY
IDLER
PULLEY
ENGINE DRIVE
PULLEY
ASSEMBLY
HAIRPIN
FLAT
WASHERS
FRAME
SPACERS
SNAP-IN FRAME
SPACER
P.N. 2-8395