Group 21 Service procedures - engine
51
8
Push in the seal using tool 999 8012 and 999 8017 until
tool 999 8017 bottoms against the shaft.
9
Fit the flange to the shaft.
10
Fit and tighten by hand the bolts on the pump coupling.
11
Torque the clamp screw to 85 Nm (62.7 ft-lb). Torque the
bolts on the pump coupling to 56 Nm (41.3 ft-lb).
12
Check the setting of the injection pump. See ”Fuel System,
setting the injection angle”.
13
Fit the protection plate for the pump coupling.
14
Connect the batteries.
Seal on output shaft from
timing gear to injection pump
TAD1631, replacing
Special tools: 999 8011, 999 8012
To replace the sealing ring in the bearing housing the fuel in-
jection pump and pump coupling must be removed. See ”Re-
moving the injection pump”.
1
Screw puller 999 8011 into the sealing using a drift. Press
on the extractor at the same time so that its threads cut
into the steel ring of the seal.
2
Pull out the old seal by unscrewing the extractor. Hold the
outside of the extractor in place with the drift.
3
Clean the shaft and the seal seat. Lubricate the new seal
and shaft.
Note: Make sure no contaminants enter the housing.
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