Remove/install belt pulley/vibration damper

AR03.30-W-1600J

23.11.10

ENGINES 900.9 in MODELS 375.1, 970, 972, 975, 976

ENGINES 902.9 in MODEL 375.3, 950.5 /6, 952.5 /6, 953.6, 954.5

ENGINES 902.9 in MODELS 375.1, 970, 972, 974, 975, 976

ENGINES 924.9 in MODELS 958.0, 970, 972, 974, 975, 976

ENGINES 925.9 in MODELS 970, 972, 974

ENGINES 926.9 in MODEL 958.0

ENGINES 926.9 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5, 958.2

Remove/install belt pulley/vibration damper

W03.30-1062-06

Shown on engine 926.9 in vehicle with code (H03) A/C in front end

1 Intermediate piece

2 Belt pulley/vibration damper

3 Poly-V belt tensioning device

4 Breaker bar and socket

5 Poly-V belt

6 Pulley

7 Bolts

8  Drifts/centering drift

L Shank length

Arrow Pivot direction

 	Remove/install
1	Remove fan	Engine 900.9, 924.9, 925.9, Engine 902.9 in model 375.1, 970, 972, 974, 975, 976, Engine 926.9 in model 958.0	AR20.40-W-5614JC
		Engine 902.9 in model 950, 952, 953, 954 with code (BA1) Performance-optimized Voith retarder, engine 926.9 in model 950, 952, 953, 954, 958.2	AR20.40-W-5614J
		Engine 902.9 in model 375, Engine 902.9 in model 950, 952, 953, 954 without code (BA1) Performance-optimized Voith retarder	AR20.40-W-5614JB
2	Push poly-V belt tensioning device (3) into pivoting direction (arrow) with breaker bar and socket (4) and remove poly-V-belt (5) from guide pulley (6)	 Installation: Inspect condition of poly-V belt (5), replace if necessary.
		Damage profiles for poly-V belt (5)	AP13.22-D-1351-01A
		Observe poly-V belt (5) routing diagram.	AR13.22-W-3902-02B
3	Attach turning device for engine	  Block cranking device by inserting the pin.	AR03.30-W-1600-03J
			*BA01.60-N-1002-01A
			*BA01.60-N-1003-01A
		 Turning device	*904589046300
4	Remove intermediate piece (1)		*BA03.30-N-1003-01C
5	Remove two opposing bolts (7)		*BA03.30-N-1002-01C
		 Screwdriver bit (M141.5)	*904589001000
		 Screwdriver bit (M161.5)	*904589011000
6	Screw drifts/centering drift (8) into the threaded holes	 Drift (M161.5)	*403589026300
		 Centering drift (M141.5)	*904589026300
7	Unscrew remaining bolts (7)		*BA03.30-N-1002-01C
		 Screwdriver bit (M141.5)	*904589001000
		 Screwdriver bit (M161.5)	*904589011000
8	Remove belt pulley/vibration damper (2) over the drifts/centering drift (8)
9	Measure shank length (L) of bolts (7)	 Installation: If the maximum shank length (L) is exceeded, replace bolt (7) in question.
		Bolt M141.5	*BE03.30-N-1001-02B
		Bolt M161.5	*BE03.30-N-1002-02B
10	Install in the reverse order

Belt pulley/vibration damper

Number	Designation			Engine 900.9, 902.9, 904.9, 906.9	Engine 924.9, 925.9, 926.9


BE03.30-N-1001-02B	Bolt, vibration damper to crankshaft	Thread	M	141.5	141.5
		Length of shank when new	mm	60.0	60.0
		Permissible shank length	mm	61.0	61.0
BE03.30-N-1002-02B	Bolt, vibration damper to crankshaft	Thread	M	161.5	161.5
		Length of shank when new	mm	61.0	61.0
		Permissible shank length	mm	61.8	61.8

 Timing case

Number	Designation		Engine 900.9, 902.9, 904.9, 906.9	Engine 924.9, 925.9, 926.9


BA01.60-N-1002-01A	Inspection hole closure cover on timing case	Nm	25	25
BA01.60-N-1003-01A	Bolt, turning device to timing case	Nm	25	25

 Flywheel, driven plate, vibration damper, starter ring gear

Number	Designation				Engine 900.9 in model 375, 970, 972, 975, 976	Engine 904.9, Engine 902.9, 906.9 without code MS8	Engine 924.9, 925.9 926.9


BA03.30-N-1002-01C	Bolt, vibration damper to crankshaft	M16	Stage 1	Nm	50	50	50
			Stage 2	Nm	200	200	200
			Stage 3	°	90	90	90
		M14	Stage 1	Nm	50	50	50
			Stage 2	Nm	125	125	125
			Stage 3	°	90	90	90
BA03.30-N-1003-01C	Bolt, intermediate piece for vibration damper			Nm	60	60	60

904 589 01 10 00

Drift

Screwdriver bit

Centering drift

904 589 00 10 00

403 589 02 63 00

904 589 02 63 00

Cranking device

904 589 04 63 00

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