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Isuzu NPR 4J Series User Manual

Isuzu NPR 4J Series
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00 – 44 SERVICE INFORMATION
Drive Belt Adjustment
Depress the drive belt mid portion with a 98N (10 kg/22
lb) force.
Drive Belt Deflection mm (in)
10 (0.39)
Check the drive belt for cracking and other damage.
1. Crankshaft damper pulley
2. Generator pulley
3. Cooling fan pulley
4. Oil pump pulley or idler pulley
5. Compressor pulley or idle pulley
Cooling Fan Pulley Drive Belt
Fan belt tension is adjusted by moving the generator.
Depress the drive belt mid portion with a 98N (10 kg/22
lb) force.
1. Crankshaft damper pulley
2. Generator pulley
3. Cooling fan pulley
Compressor Pulley Drive Belt
Move the idler pulley as required to adjust the compressor
drive belt tension.
If the vehicle is equipped with power steering, move the
oil pump as required.
Depress the drive belt mid portion with a 98N (10 kg/22
lb) force.
Belt Deflection mm (in)
14 - 17 (0.55 - 0.67)
1. Crankshaft damper pulley
2. Oil pump pulley or idler pulley
Power Steering Oil Pump Pulley Drive Belt
Move the oil pump as required to adjust the oil pump drive
belt tension.
On air conditioner equipped models, both drive belts
pulley must always be replaced as a set.
Depress the drive belt mid portion with a 98N (10 kg/22
lb) force.
Belt Deflection mm (in)
14 - 17 (0.55 - 0.67)
1. Crankshaft damper pulley
2. Oil pump pulley
3. Compressor pulley or idler pulley
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Isuzu NPR 4J Series Specifications

General IconGeneral
BrandIsuzu
ModelNPR 4J Series
CategoryEngine
LanguageEnglish

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