Remove/install poly-V belt

AR13.22-D-1202D

8.12.09

ENGINES 904.904 /961 in MODEL 670

ENGINES 904.908 /914 /923 /936 /955 /964 in MODEL 668, 670

D13.22-0053-06

Shown on engine 904
without refrigerant compressor

1 Vibration damper

2 Alternator belt pulley

3 Coolant pump belt pulley

4 Tensioning device with tensioner pulley

5 Poly-V-belt

6 Offset box wrench

	Remove/install
Danger!	Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension	Use only approved tensioning devices; shield off hazard area if necessary. Inspect special tools for damage and proper operation (visual inspection). Wear protective gloves.	AS00.00-Z-0001-01A
1	Loosen poly-V belt (5)	 Swivel tensioner pulley (4) up with ring wrench (6) (arrow)
2	Remove poly-V belt (5)	Belt length	*BE13.22-N-1001-01D
		Poly-V-belt - inspect condition	AP13.22-D-1351C
		Damage profiles for a poly-V belt	AP13.22-D-1351-01A
	Checking
3	Check vibration damper (1), belt pulley (2, 3), tensioning device (4), for damage and smooth operation; replace if necessary	Continuing operations: 
		Remove vibration damper (1)	AR03.30-D-1600D
		Remove pulley from coolant pump (3)	AR20.40-D-5660D
		Remove tensioning device together with tensioner pulley (4)	AR13.25-W-3200A
4	Check guide pulley, calming roller belt pulley and cylindrical roller bearing for AC compressor for damage and smooth operation; replace if necessary	With code (H03), air conditioning system at front end Continuing operations: 
		Remove cylindrical roller bearing on refrigerant compressor	AR83.55-L-5350A
5	Install in the reverse order

Check values for single-belt drive