LS XR4040 - Tension Adjustment of Engine Belt; Fan Belt

5 -21
(3) Tension adjustment of Engine belt
Adjusting
plate
Bolt
Generator
pulley
Cooling water
pump pulley
Crank shaft
pulley
② Air pump belt
z Turn adjust bolt clockwise to tighten the tension
in the right figure.
z Normal : approx. 10mm (0.4 in)
(if pressed by 50N (11.2 lb))
Adjust bolt
Crank shaft
pulley
Air pump
pulley
① Fan belt
z If the tension of fan belt exceeds the standard
value, loosen the bolt and adjust the tension.
- Belt tension : crank shaft pulley ~ alternator
pulley
- Normal : approx. 5mm (0.2 in)
(if pressed by 50N (11.2 lb))
z When adjusting the tension,
1. Loosen 2 bolts of alternator and insert the
bar between crank case and pull the bar to apply
tension to the belt.
2. With proper tension, tighten the bolts attached to
the adjusting plate of alternator.
3. If the tension of belt becomes standard value,
tighten the bolt which whole the alternator
Check point
Check point