Inspect condition of V-belt, re-tension

AP13.20-T-1350A

6.11.98

ENGINE 402, 441, 446 in MODEL 613

ENGINE 447, 489 in MODEL 671

T13.20-0001-01

Shown on model 671

1 Crankshaft

2 Coolant pump

3 Alternator

4 Idler pulley

5 Fan

A V-belt (alternator)

B V-belt (coolant pump)

C V-belt (tensioning pulley)

D V-belt (fan)

T13.20-0003-01

Illustrated on model 613

1 Crankshaft

2 Alternator

3 AC compressor

4 Fan

A V-belt (refrigerant compressor)

B V-belt (2nd alternator)

T13.25-0003-01

Shown on model 671

Rubber mount (arrow)

	Inspect
1	Check V-belts for cracks, oiling, overheating and wear	 If wear or damage is present, replace V-belt - subject to separate repair order.
2	Inspect rubber mounts (arrow) of tensioning bolts for damage	 After retensioning, ensure that the rubber mount (arrow) is not twisted.
3	Check V-belt tension		AP13.20-T-1350-02A
			*BE13.21-N-1001-01A
			*001589692100
		Retension V-belt if necessary:
		Model 613 with engine 402, 441, 446	AP13.20-T-1350-01A
			*BE13.21-N-1001-01A
			*001589692100
		Model 671 with engine 447, 489	AP13.20-T-1350-01B
			*BE13.21-N-1001-01A
			*001589692100

Inspection and setting data of multi-belt drive

Number	Designation			Engine 402, 441, 446	Engine 447	Engine 489


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

001 589 69 21 00

Measuring instrument