Remove V-belt of fan drive, install

AR13.21-T-0110BA

17.12.09

ENGINE 457.944 in model NMB613.358 /388

T13.21-0013-09

1 V-belt D

2 V-belt C

3 Belt pulley on fan

4 Tensioning device

5 Crankshaft belt pulley

6 Bolt

7 Clamping bolt

8 Clamping bolt

 	Remove/install
 Danger!	Risk of death caused by being drawn into rotating vehicle parts	Do not insert your hand into rotating parts. Wear closed and snug-fitting work clothes. Secure area of rotating vehicle components against unauthorized access.	AS00.00-Z-0004-01A
1	Open liftgate
2	Slacken clamp screw (8)
3	Slacken bolts (6) on clamping plate
4	Push clamping device (4) downwards by loosening the rigging screw (7)
5	Remove V-belt D (1) and V-belt C (2)	 Installation: Tension V-belt. 
		Retension V-belt	AP13.20-T-1350-01BA
			*BE13.21-N-1001-01D
			*001589692100
	Checking
6	Check condition of V-belt and for damage: replace if necessary
7	Install in the reverse order

Test and adjustment values for a multi-belt drive

Number	Designation			Engine 457. 944


BE13.21-N-1001-01D	V-belt tension (KG scale on tester)	V-belt new	kg	40 to 50
			O	400 to 500
		V-belt run-in	kg	30 to 40
			O	300 to 400

Measuring instrument

001 589 69 21 00