Remove/install poly-V belt · ar1322w1202c · Mercedes-Benz WIS

AR13.22-W-1202C

Remove/install poly-V belt

18.11.09

ENGINE 902.9, 906.9, 926.9 in MODEL 957

W13.22-1034-06

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

1 Poly-V belt (basic belt drive)

2 Poly-V belt (hydraulic pump)

3 Poly-V belt tensioning device

4 Toggle

Arrow: Pivot direction

 	Remove/install
1	Remove poly-V belt (2) for hydraulic pump		AR13.22-W-1203A
2	Swivel tensioner pulley for poly-V belt tensioning device (3) with locking handle (4) downwards (arrow), and hold in place
3	Remove poly-V belt (1) from tensioner pulley on poly-V belt tensioning device (3)
4	Swivel back tensioner pulley for poly-V belt tensioning device (3) and remove poly-V belt (1)	 Installation: Pay attention to correct seating of poly-V belt (1).
		Observe poly-V-belt routing plan.	AR13.22-W-3902-02D
	Checking
5	Check condition of poly-V belt (1)	 Replace poly-V belt (1) if necessary.
	Damage profiles for a poly-V belt		AP13.22-D-1351-01A
6	Check vibration damper, belt pulley, guide pulley as well as poly-V belt tensioning device (3) for damage and wear	 Replace and damaged or worn parts: 
		Vibration damper	AR03.30-W-1600D
		Poly-V belt tensioning device (3)	AR13.25-W-3200C
		Belt pulley for alternator
		Engine 906.9 up to engine end no. 190707	AR15.40-W-5710A
		Engine 902.9 with code (MS8) natural gas engine Engine 906.9 as of engine end no. 190708	AR15.40-W-5710AB
		Engine 902.9 except code (MS8) Natural gas engine Engine 926.9	AR15.40-W-5710J
		Belt pulley for coolant pump	AR20.10-W-1271D
7	Install in the reverse order