Timing Gear Train
Inspection / Checking
A5.05. 04.08.01.00
3750
M20
en / 05.06.2000 IB022002 1/1
04
Ĺ
See also:
Spare parts list: B1.05.04.2.5140
Time requirement: 1 Pers./ 0,50 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Inspection:
Working surfaces of the teeth 3,750 h
Sequence of operation:
1. Remove the covers at the gear housing
on the camshaft and exhaust side.
1.1 Check the tooth surfaces of the
camshaft gear (Fig. 1/1), intermediate
wheel (2) and crankshaft gear (3)
(pitting, cross bearing, disintegrations
etc.)
1.2 Check the function of the oil nozzles
(4, 5 and 6).
1.3 Fit the covers and check the gaskets.
2. Replace the O-rings on the intermediate
wheel axle (7).
2.1 Remove locking plate (Fig. 2/10).
2.2 Shift the intermediate wheel axle (7)
from the gear housing in the direction
of the coupling side and renew the
O-ring (11).
Attention:
The preset tooth meshing of the
intermediate wheel to the camshaft
gear and crankshaft gear must not be
adjusted. Danger of timing adjustment!
Fig. 1
1
7
6
4
2
5
3
10
11
7
Fig. 2
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