TRACTOR DRIVE BELT - GEAR MODELS
1. Park the tractor on a smooth, level surface such as a
concrete floor. Disengage the PTO, turn off the
engine and lock the parking brake. Remove the key.
2. Remove the mower as described under Mower
Removal in the Operation section.
3. See figure 35. To remove the belt from the idler pul-
ley (A), loosen flange whiz nuts (B). Slip belt from
between belt stop (C) and idler bracket.
4. Release the parking brake. Rotate idler pulley to
relieve spring tension and remove spring (D, figure
35).
5.See figure 36. To remove belt from engine pulley, the
PTO (electric clutch) must be removed and the belt
slid over the top of the pulley. Disconnect the PTO
wire. Remove the capscrew (A) along with the hex
washer and lockwasher securing the PTO to the
engine crankshaft. Slide belt over the top of the
engine pulley.
6. See figure 36. Install new belt over engine pulley
before re-installing the electric clutch. Install hex
washer, lockwasher and capscrew (A). Lubricate
weld tab on underside of tractor (D). Make sure tab is
aligned with hole in top of electric clutch, then tighten
capscrew to 45-50 ft. lbs.
NOTE: Check capscrew torque after 1 hour of operation.
7. See figure 36. On left-hand side of tractor, remove
nut from capscrew (E) securing drag link (B) to steer-
ing arm (C). Drop old belt below drag link. Route new
belt above drag link before re-installing nut on drag
link, then tighten nut.
8. See figure 37. Slip belt from the transaxle and idler
pulleys. Loosen the belt stops on the idler pulley as
necessary. Remove belt from the tractor.
9. Install new belt to the transaxle and idler pulleys as
shown in figure 37. Adjust belt stops to 1/16" - 1/8"
from belt.
10.Re-install idler pulley spring (D, figure 35) to frame
with new belt routed between spring and bottom of
frame.
11.Lock parking brake to position idler pulley bracket.
Install new belt to the idler pulleys as shown in figure
35. Make sure belt is properly routed on flat and V-
sided pulleys. Refer to figure 37 for proper routing.
Tighten nuts (B, figure 35) securing pulleys.
30
Belt Replacement
CAUTION
To avoid damaging belts, do not pry belts over
pulleys.
*2133
Figure 35. Drive Belt Idler Pulley - Gear Models
A. Idler Pulley C. Belt Stop
B. Flange Whiz Nuts D. Spring
Figure 36. Drive Belt PTO Pulley
A. Capscrew, PTO D. Weld Tab Location
B. Drag Link E. Capscrew
C. Steering Arm
*1970
D
*2547
Belt Stop
Belt Stop
PTO (Electric
Clutch) Pulley
Engine Pulley
Flat-Sided
Idler Pulley
V-Sided
Idler Pulley
Idler Pulley
Transaxle
Pulley
Figure 37. Tractor Drive Belt Routing - Gear Models
E
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