Drive Belt Tension - Volvo G700B Series Operator's Manual

Service and maintenance
178

Drive belt tension

Drive belt tension
Check the tension of the drive belts every 500 hours. Use a belt
tensioning gauge to achieve the correct tension when belts are
warm. Re-tension new belts after 15 minutes of run-in.
WARNING!
The engine must be turned off before checking belt
tension. Rotating parts can cause severe injuries.
Models G710B to G730B
Belt tension
Alternator
Air conditioning
compressor
Fuel pump drive belt
Adjusting:
Slacken off bolts 1 and 2.
n
Push fuel pump (3) in direction of arrow until correct belt ten-
n
sion is achieved.
Tighten bolts 1 and 2.
n
Water pump/fuel pump
Bolt torque
Belt tension
10 mm belt
13 mm belt
Models G740B, G746B, and G780B
Belt tension
Alternator
Air conditioning
compressor
New
356 N (80 lb) 214 N (48 lb)
356 N (80 lb) 285 N (64 lb)
21 N•m (150kgf•m)(15 lbf•ft)
New
450 N (101 lb) 300 N (67 lb)
550 N (124 lb) 400 N (90 lb)
New
712 N (160 lb) 498 N (112 lb)
356 N (80 lb) 285 N (64 lb)
Used
Used
Used