155 S850 Operation & Maintenance Manual
DRIVE BELT
Belt Adjustment
The drive belt does not need adjustment. The belt has a spring loaded idler which constantly maintains the correct belt
tension. The spring loaded idler stop adjustment, detailed below, is critical for long belt life.
Stop Adjustment
See your SERVICE SCHEDULE for the correct interval to check the idler stop adjustment. (See SERVICE SCHEDULE
on Page 106.)
Stop the engine and open the rear door. (See REAR DOOR (TAILGATE) on Page 116.)
Figure 257
Loosen the spring loaded idler adjustment bolt (Item 1)
[Figure 257].
Figure 258
Allow the stop arm (Item 1) to contact the top of the
spr
ing loaded idler (Item 2) [Figure 258].
Tighten the spring loaded idler adjustment bolt (Item 1)
[Figure 257] to 105 - 115 N•m (78 - 85 ft-lb) torque.
Dealer Copy -- Not for Resale
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