Kalmar DRD450-80S4X, Maintenance Manual

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UDRF01.04GB
Maintenance manual DRF 400–450
16 10 Common hydraulics – 10.6.7 Hydraulic oil filter
page –
Hydraulic oil filter (high pressure filter), changing
1 Machine in service position, see section B Safety
2 Depressurize the hydraulic and brake systems, see section B
Safety .
High pressure filter, under machine
3 Place a receptacle under the oil filters to collect any oil spills.
4 Clean the outside of the hydraulic oil filters.
5 Remove the drain plugs in the bottom of the filters.
Let the oil drain, wait awhile since the oil drains slowly.
6 Remove the filter brackets.
NOTE
The filter brackets are heavy, loosen them carefully.
7 Clean the filter brackets.
8 Remove the filter inserts.
NOTE
Note position of the O-rings.
9 Fit the O-rings on the filter inserts and filter brackets. Lubricate
the O-rings with hydraulic oil.
10 Fit the new filter inserts on the filter bracket.
11 Fit the filter bracket and the drain plug.
12 Close the drain valve on the accumulator charging valve.
13 Turn on the main electric power and start the engine.
14 Check that the filter brackets do not leak.
W A R N I N G
Hot and pressurized oil.
Personal injury, burn injury, rash or irritation.
Always depressurize the hydraulic systems before
starting to work in the hydraulic systems. Avoid
skin contact with the oil, use protective gloves.
I MP O R T A N T
Ensure cleanliness around the filter and filling point
when working on the hydraulic tank.
Dirt particles may cause machine damage.
003602
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