Set valve clearance

AP05.30-W-0560MD

Set valve clearance

16.01.2019

Engine

934.9, 936.9 in model 967

Engine

936.9 (except 936.974) in model 956

Engine

936.9 in model 963, 964

1

Rocker arm spindle intake valves

2

Rocker arm spindle exhaust valves

3

Jam nuts (intake valves)

4

Adjustment screw (intake valves)

5

Jam nut (exhaust valves)

6

Adjustment screws (exhaust valves)

7

Jam nut (engine brake valve)

8

Adjustment screw (engine brake valve)

3

Jam nut (intake valves)

4

Adjustment screw (intake valves)

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H

Adjust

1

Remove cylinder head cover.



Engine 936.9 in model 956 except code M2H (Engine M936G, R6, 7.7 l, 222 kW (302 hp), 1200 Nm)

AR01.20-W-5014NE



Engine 936.9 in model 956 with code M2H (Engine M936G, R6, 7.7 l,222 kW (302 hp), 1200 Nm)

AR01.20-W-5014NG



Engine 934.9, 936.9 in model 967

AR01.20-W-5014NA



Engine 936.9 in model 963, 964

AR01.20-W-5014MD

2

Mount turning device onto timing case.



Engine 934.9, 936.9 in model 967

AR03.30-W-1600-03NA



Engine 936.9, in model 956, 963, 964

AR03.30-W-1600-03MD

 Bolt, turning device to flywheel housing

*BA01.60-N-1002-01O

 Turning device

*904589046300

3

Check and adjust valve clearance at intake and exhaust valve and adjust valve clearance for engine brake.

AP05.30-W-0560-01MD

 Check or adjust the valve clearance when the engine is cold, at the earliest 30 min after switching off the engine. Including for short-term operation to ensure uniform warming up.
The test value tolerance of the valve clearance applies only for checking, not adjusting.

 Jam nut on rocker arm adjustment screw

*BA05.00-N-1001-01N

 Jam nut on rocker arm adjustment screw

*BA14.15-N-1001-01G

Valve clearance

*BE05.30-N-1001-01T

Test tolerance for valve clearance

*BE05.30-N-1002-01T

Engine brake valve clearance

*BE05.30-N-1004-01T

 Torque tool set

*003589050900

 Adjustment tool

*470589042198

 Adjustment tool

*470589042100

 Turning device

*904589046300

4

Remove turning device and attach cap to timing case.



Engine 934.9, 936.9 in model 967

AR03.30-W-1600-03NA



Engine 936.9, in model 956, 963, 964

AR03.30-W-1600-03MD

 Bolt, TDC inspection hole cap to flywheel housing

*BA01.60-N-1001-01O

 Model 967 with code A1A (Air-sprung front axle)Bolt, frame sections to frame

*BA31.30-N-1002-01A

 Turning device

*904589046300

5

Install cylinder head cover.



Engine 936.9 in model 956 except code M2H (Engine M936G, R6, 7.7 l, 222 kW (302 hp), 1200 Nm)

AR01.20-W-5014NE



Engine 936.9 in model 956 with code M2H (Engine M936G, R6, 7.7 l,222 kW (302 hp), 1200 Nm)

AR01.20-W-5014NG



Engine 934.9, 936.9 in model 967

AR01.20-W-5014NA



Engine 936.9 in model 963, 964

AR01.20-W-5014MD

Check values for valves

Number

Designation

Engine 934.9

Engine 936.9

BE05.30-N-1001-01T

Valve clearance

Inlet

mm

0,30 (0,05)

0,30 (0,05)

Outlet

mm

0,60 (0,1)

0,60 (0,1)

Check values for valves

Number

Designation

Engine 934.9

Engine 936.9

BE05.30-N-1002-01T

Test tolerance for valve clearance

mm

0,05

0,05

Check values for valves

Number

Designation

Engine 934.9

Engine 936.9

BE05.30-N-1004-01T

Engine brake valve clearance

mm

0,50 (0,05)

0,50 (0,05)

 Timing case, flywheel housing

Number

Designation

Engine 934.9

Engine 936.9

BA01.60-N-1001-01O

Bolt, TDC inspection hole cap to flywheel housing

Nm

30

30

 Timing case, flywheel housing

Number

Designation

Engine 934.9

Engine 936.9

BA01.60-N-1002-01O

Bolt, turning device to flywheel housing

Nm

30

30

 Engine timing - general

Number

Designation

Engine 934.9

Engine 936.9

BA05.00-N-1001-01N

Jam nut on rocker arm adjustment screw

Nm

30

30

 Engine brake in general

Number

Designation

Engine 934.9, 936.9

BA14.15-N-1001-01G

Jam nut on rocker arm adjustment screw

Nm

27

 Frame

Number

Designation

Model 967

BA31.30-N-1002-01A

Bolt, frame sections to frame

M101.5

Nm

80

M121.5

Nm

95

M141.5

Stage 1

Nm

150

Stage 2

°

90

M161.5

Stage 1

Nm

225

Stage 2

°

90

M181.5

Stage 1

Nm

330

Stage 2

°

90