Inspect condition of V-belt, re-tension · ap1320t1350cb · Mercedes-Benz WIS

AP13.20-T-1350CB

Inspect condition of V-belt, re-tension

1.12.09

ENGINES 457.944 in model NMB613.367

T13.20-0026-10

Belt drive routing diagram

1 Crankshaft vibration damper

2 Alternator I

3 Water pump

4 Refrigerant compressor

5 Alternator II

6 Fan drive

7 Automatic belt tensioner

8 Pulley

	Checking
1	Check V-belts for cracks, oiling, overheating and wear	 In the event of wear or damage, replace V-belt (subject to separate repair order).
	Damage profiles for a poly-V belt		AP13.22-T-1351-01A
2	Check V-belt tension		AP13.20-T-1350-02A
			*BE13.21-N-1001-01D
			*001589692100
		If necessary: 
		Retension V-belt	AP13.20-T-1350-01CB
			*BE13.21-N-1001-01D
			*001589692100

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

001 589 69 21 00

Measuring instrument