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IHI 9VX3 - Page 109

IHI 9VX3
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MAINTENANCE
9VX3
Change the Coolant
Coolant should be drained and changed every 250 service hours
or six months. However, when adding Long-Life-Coolant, the Reserve tank Radiator cap
drain period can be extended to 2 years. ^ 1
Drain the coolant earlier whenever the coolant is dirty or foaming is
observed.
See 2 years Maintenance section. *
Drain cock
Fan and Alternator Belt
AWARNING
Hot components can cause personal injury.
Stop the engine and remove the start switch key.
Inspect
Stop the engine. Inspect the belt for wear and cracking. To check the
belt tension, push the belt inward by hand apply 98N (10kg) force
midway between the pulleys. Correctly adjusted belt will deflect 10mm.
Adjust
1. To adjust the belt, loosen mounting bolt 0 and 0 .
2. Move the alternator in or out as required to obtain the correct
adjustment.
3. Tighten mounting bolts 0 and 0 .
AC generator
Fan pulley
® Bol\ Adjust
4. Check the belt adjustment again after 5 minutes of engine
operation at rated speed.
(2) Bolt
. A
AC generator
4-7-5

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