Inspecting condition of V-belt, retensioning · ap1320g1350a · Mercedes-Benz WIS

AP13.20-G-1350A

Inspecting condition of V-belt, retensioning

12.5.98

ENGINE 356.9, 357.9 in MODEL 427.1, 437.1
Air-cooled/water-cooled compressor (18.3 bar storage tank pressure)

ENGINE 353.9, 366.9 in MODEL 435.1
Air-cooled/water-cooled compressor (18.3 bar storage tank pressure)

Modification notes

20.10.99

Scope of validity altered

Model 427, 435, 437

	Inspecting
	Notes on Aramide V-belts	Model 427, 435, 437	AH13.20-N-1000-01A
	The V-belts fitted as standard are adequately dimensioned to transmit the power required for the air-cooled and water-cooled compressor.
1	Measuring operating tension	Operating tension	*BE13.22-N-1002-01C
		 Measuring instrument	*001589692100
2	Inspecting runout of V-belt	 The V-belt runout cannot be adjusted by increasing the belt tension!  V-belt runout >  25 mm 
		Fit Aramide V-belt
		V-belt tension when first installed	*BE13.22-N-1002-01C
	Notes on flattering of V-belt	Model 427, 435, 437	AH13.30-N-1000-03A
		 Converting the V-belt to 16 mm belt width offers only a minor improvement

Inspection data of single-belt drive

Number	Designation			Engine 353.9, 356.9, 357.9, 366.9 with compressor (compressed air system)


BE13.22-N-1001-01C	Belt length		mm	1350
BE13.22-N-1002-01C	V-belt tension	when new	N	800
		used	N	400-800

Measuring instrument

001 589 69 21 00

Parts order notes

Part no.	Designation	Quantity
437 997 02 92	V-belt (Aramide)	1