Engine timing, valve train,  M110

Removal and installation of helical gear shaft

 

 
05—410 Removal and installation of helical gear shaft

 
Special tools

 
Impact puller for bearing bolt (basic unit)
m110 - 0207-1.jpg
116 589 20 33 00

 
Threaded bolt M 6 x 150 for impact puller
1,4,
116 589 02 34 00

 
Note
m110 - 0207-2.jpg
The oil pump drive comprises the intermediate gear shaft (1) and the helical gear shaft (2), and may be replaced in sets only (05—412).
In the event of repairs, install oil pump drive part no. 110 050 02 06:
Intermediate gear (1): 9 teeth, groove (arrow), di­mension A = 5 mm Helical gear (2): 12 teeth, groove (arrow).

 
Standard installation oil pump drive 110 050 02 06

 
Engine

 
Engine end no.

 

 
from to
110.921 – 10-

 
009381 009738
– 12-

 
039115 040762
110.922- 10-

 
018226 019645

 
and starting
033340(1.1978)
– 12-

 
027657 030434

 
and starting
055136(1. 1978)
110.923- 10-

 
010452(1. 1978)
__ 12-=

 
012890(1. 1978)
110.931 – 10-

 
001071 001080
– 12-

 
000137 000138
110.932- 10-

 
002861 003151

 
and starting
007879(1. 1978)
– 12-

 
000432 000491

 
and starting
001954(1. 1978)
110.981 -10-

 
010491 010636
– 12-

 
022258 022809
110.982- 10-

 
000547 000704
– 12-

 
001196 001528
110.983- 10-

 
013511 014341
– 12-

 
035853 038811
110.984- 10-

 
005137(1. 1977)
-12-

 
013900(1. 1977)
05.2-410/1 F2

 

 

 

 

 
110.985-  10– 12-
110.986-  10-
002060(1. 1977) 009179(1. 1977)
000461 (1. 1977) 000991 (1. 1977)

 
All exchange engines starting unit no. 464 130 are provided with oil pump drive part no. 110 050 02 06.

 
Removal
m110 - 0208-1.jpg
1    Remove intake pipe (09-400).
2   Knock out closing cover by means of impact puller (6 mm threaded bolt).

 
3 Pull out helical gear shaft (4) in upward direction by means of an M-6 screw.
Note: The bearing body together with bearing bushing for helical gear shaft can be knocked out in upward direction with intermediate gear shaft removed.
m110 - 0208-2.jpg

 
05.2-410/2 F2

 

 

 
Installation
m110 - 0209-1.jpg
4   Guide in helical gear shaft (4).
Oil pump drive shaft (9) must engage in dog claws of helical gear shaft (4).
5   Knock in new cover (2) with a pertinent sleeve (approx. 35 mm dia.).
6   Install intake manifold with a new gasket (09—400).
Oil pump drive
1    Crankcase
2    Cover with stop pin
3    Intermediate gear shaft of oil pump drive
4    Helical gear shaft of oil pump drive
5    Bearing bushing
6    Bearing
7    Bearing bushing of oil pump housing
8    Oil pump housing
9    Oil pump drive shaft

 
05.2-410/3 F2