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MAINTENANCE
High-Strength Bolt Connections (continued)
Check mounting and security of each Diesel engine and
pump distributor gear, illust. Z 21776
Check all flexible bearings (1) for engine and pump distributor
gear.
Check the flexible bearings for damage and signs of
fatigue. Make sure that there is no contact between the
upper and lower metal brackets of the flexible bearings
(1). Replace the bearings if necessary.
After new flexible bearings have been installed, check
distance (A) on both torque supports.
NOTICE
All flexible bearings (1) and all rubber-bounded metal bars (4)
should be replaced during engine overhaul.
Check distance (A) between torque support and stop
bolt (5).
With setting of the flexible engine bearings (1) the dis-
tance (A) increases and must be adjusted. To do this,
loosen lock nut (7) and tighten stop bolt (5) until the cor-
rect distance (A) is obtained. Tighten lock nut (7) and
recheck distance (A).
If new flexible engine bearings (1) have been installed,
replace also cup springs (6) and adjust distance (A) to
29 mm.
Check tie bolts (2) on front and rear carrier units for loose-
ness.
Check to make sure that the self locking retainer nuts (3)
are tight and that there is no gap between nut and rubber-
bounded metal bar (4).
If necessary retighten retainer nuts (3) snugly.
Check rubber-bounded metal bars (4) for signs of fatigue
and damage.
Replace as necessary.
NOTICE
Check all bolt connections for correct tightening torque.
Check condition of engine carrier and brackets. If any damages,
failures or wrong condition are found, corrective action must be
taken.
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
405
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