Removal and installation of oil pump

Tightening torques

Nm

Oil drain plug to oil pan

35-45

M6

9-11

Oil pan upper half to cylinder crankcase

M8

20-25

Oil pan lower half to upper half

9-11

Engine carrier to engine mount front

70

to crankcase

20-25

Oil pump

Torque wrench handle 20—100 Nm

001 589 35 21 00

Torque wrench handle 50—200 Nm

001 589 44 21 00

Changeover ratchet for torque wrench

001 589 42 09 00

Allen wrench 5 mm, 300 mm long

116 589 02 07 00

Knock-out mandrel 9 mm dia.

Socket 27 mm, 1/2″ square for rotating engine

Knock-in tool for oil dipstick guide tube

Engine hoist (Motordirigent) size 1.5

110 589 02 15 00 001 589 65 09 00

117 589 00 31 00

e.g. made by Backer, D—5630 Remscheid Order No. 3178

18.8-210/1 F2

Since a connecting link might wipe against timing chain or oil pan, do not open double roller chain during repairs and connect again by means of a con­necting link.

To renew double roller chain and tensioning unit, completely remove oil pan (01—310) and front cylin­der housing cover (01—107).

1    Completely remove oil pan (01—310).

2    Unscrew fastening screw (56) of sprocket.

3    Remove torsion spring (47) from clamp (45) in rearward direction.

4   Turn clamp in upward direction.

45 Clamp

47 Torsion spring

5    Remove sprocket by means of two screwdrivers.

6   Unscrew hex. screws (arrows) on oil pump and remove oil pump.

7    Remove sprocket.

8   Pull flange member (43) out of cylinder crankcase.

43 Flange member 56 Fastening screw

US -148&1

18.8-210/2 F 2

9    Renew O-ring (42) on flange member, if damaged.

10    Insert flange member.

11    Place sprocket into double roller chain.

12    Install oil pump and tighten fastening screws to 20—25 Nm on crankcase or 9—11 Nm on flange member.

42 O-ring

13   Place sprocket on drive shaft and tighten fasten­ing screw (56) to 30-35 Nm.

14   Set clamp on double roller chain and place torsion spring on clamp.

15   Completely install oil pan (01-310).