157 S850 Operation & Maintenance Manual
DRIVE BELT (CONT’D)
Belt Replacement (Cont’d)
Figure 262
Adjust a torque wrench for 54,2 N•m (40 ft-lb). Insert the
to
rque wrench (Item 2) [Figure 262] into the slot
provided in the stop arm as shown and move the torque
wrench up
until the correct torque is indicated.
Maintain torque on the stop arm and tighten the spring
lo
aded idler adjustment bolt (Item 1) [Figure 262] to 105
- 115 N•m (78 - 85 ft-lb) torque.
NOTE: This procedure is required to preload a new
dr
ive belt in order to achieve the correct stop
adjustment after the initial belt break-in
period.
Figure 263
Position the drive belt shield over the drive belt shield
mo
unting bolts and slide the drive belt shield toward the
front of the loader to fully seat the shield onto the top and
bottom mounting bolts (Items 1 and 2) [Figure 263].
Figure 264
Install the drive belt shield bolt (I
tem 1) [Figure 264].
Install the battery. (See Removing And Installing Battery
on Page 140.)
Close the rear door.
NOTE: The stop arm MUST be adjusted after 50 hours
operation with the new drive belt. (See Stop
Adjustment on Page 155.)
See the SERVICE SCHEDULE for the correct
service interval after the initial 50 hour
adjustment. (See SERVICE SCHEDULE on
Page 106.)
P-90468A
1
Top Mounting Bolt
P-90469A
2
Bottom Mounting Bolt
Dealer Copy -- Not for Resale
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