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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.
4.5
MOWER DRIVE BELT REPLACEMENT
Inspect mower drive belt as described in Section
"CHECK MOWER DRIVE BELT", Replace belt if signs
of excessive wear andlor damage are present,
4.5.1.
BELT REMOVAL
1. Remove
mower
drive
belt
cover.
Refer
Section "DRIVE BELT COVER REMOVAL".
2. Remove old belt.
to
4.5.2.
BELT REPLACEMENT
1. Follow WARNING statement found on this page.
2. Check fuel level in tank.
If over 3/4 full, remove
tank. Refer to Section "REMOVING FUEL TANK". If
3/4 or less, proceed to next step.
3. Carefully stand Rear Engine Rider on rear bumper.
4. Route new belt through engine belt guide up to
engine pulley.
ENGINE PULLEY
ENGINE
BELT
GUIDE
9. Route belt onto spindle pulley. Make sure belt is
inside belt guide. Route belt as shown for the individual
models shown in Figure 4.14.
10. Reinstall fixed idler removed in Step 8. Tighten
idler pulley bolt securely.
BELT MUST BE TO THE INSIDE OF BELT GUIDE
PULLEY
FIGURE
4.13
BELT
GUIDE
11. Adjust belt guide. See Figure 4.14 for proper belt-
to-belt guide clearances.
12. Reinstall mower drive belt cover.
28"_ 30" & 33" MODELS
_MINAL
(Dual Idler System)
FIGURE 4.25
FIGURE 4.12
5. Move transmission
shift lever to the neutral (N)
position.
6. Rotate clutch yoke (clutch yoke shown in Figure
4.7) out with your hand and work belt between drive
disc and rubber driven disc.
7. To
clear
the
primary
chain
case,
move
transmission
shift lever to the #5 position. Route
belt around drive disc and into drive pulley belt
groove. See Figure 4.12.
8. Remove fixed idler. Make sure belt is inside belt
guide and idler belt guide. See Figure 4.13.
24
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