Valtra 900 - H 4. Maintenance every 250 hours

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H. Periodic maintenance
H 4. Maintenance every 250 hours
H 4.1. Clean cab air filter and also upper
filter (extra equipment) (10)
Clean lower filter
69---66,2
--- Lift up the filter housing cover (rear part first)
--- Remove the filter element and knock it with the palm of
the hand, use a vacuum cleaner from the direction air
goes in or blow it clean with compressed air from the
centre outwards. Make sure that the air pressure is not
too high. Check the condition of the filter. Always
change a damaged filter.
--- Refit the filter element.
NOTE: The air filter element does not remove
chemicals from the outside air.
Clean upper filter (extra equipment)
69---66
Remove the air cleaner housing from the front part of the
roof and service as for the lower filter.
H 4.2. Change engine oil and engine oil
filter (11)
H 4.2.1. Draining
65---68
Remove the drain plug and allow the oil to run out into a
suitable container. Drain the oil while the engine is warm
(makes draining quicker particularly in cold weather).
Clean the plug and replace it.
H 4.2.2. Changing oil filter
69---69
2
3
1
--- Remove the oil filter (1) by unscrewing it
--- Wipe off the oil which has run out on the chassis
--- Oil the new gasket
--- Tighten the new filter by hand (not too hard).
H 4.2.3. Crankcase ventilation
When changing the oil always check that the ventilation
pipe is clean and not blocked.