Changing Coolant Filter; Water Pump, Belt Tension - Volvo EC330B Operator's Manual

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Changing coolant filter

WARNING!
Take care of waste oil/liquids in an environmentally safe
way!
Take care when replacing the filter, hot coolant can cause severe
burns on unprotected skin.
If the engine is started with the engine hood open, no person is al-
lowed at the front end of the machine.
The filter should be replaced every 1000 hours, provided Volvo
Construction Equipment original anti-freeze is used.
To gain access to the filter, let down the belly plate. Filter (A) is po-
sitioned down to the right on the engine.
Removing
1 Turn the handle on shut-off valve (A) until it is horizontal (the
coolant circuit through the filter is now closed).
2 Loosen the filter with a suitable tool (filter pliers or similar).
A
Installing
3 Coat the gasket with petroleum jelly.
4 Fill the filter with coolant.
5 Screw on the filter until the gasket just touches the sealing sur-
face. Then tighten the filter a further 1/2 a turn
6 Open the valve. The handle should now be vertical.
After installing
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7 Wipe around the filter head and the filter until dry.
8 Start up and run the engine until warm.
9 Stop the engine and check that the gasket seals. If it does not,
remove the filter and check the sealing surface.
NOTE : Usually it does not help to tighten the filter further.

Water pump, belt tension

WARNING!
The engine must be stationary when checking the belt
tension, rotating parts can cause injuries.
Check the belt every 250 hours.
Adjusting:
At correct belt tension, it should be possible to depress the
belt approx. 15 mm (0.6 in). if above 15 mm, replace the belt
with a new one
Service and maintenance
Cooling system 147