50
Maintenance
CHANGING THE FILTER ELEMENT
At the required service interval the element in the RKM
suction flow /return flow filter (A) will need changing.
•
Unscrew the cap (B) on the top of the RKM filter (A),
there will be oil in this filter, it may spill over on to the
tank and will take a few minutes to drain down.
•
When the oil has drained down a bit remove part (C)
this will leave the element exposed.
•
Remove the element (D), it may be a bit tight to
remove from its seating in the housing
•
Replace with a new element and refit the components
(B) & (C).
•
Crank the engine over but do not let it start, this will
allow oil to get into the filter.
•
Repeat this procedure about 5 times.
•
Start the engine and idle for a period of five minutes.
•
Stop the engine and wait approximately one minute,
recheck the oil level.
B
C
A
D
REPLACING FILTER ELEMENTS
Always use replacement filters supplied by NC
other filters may be of lesser quality and lead to
increased wear in the hydraulic components
resulting in oil leaks.
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