7 CARE AND MAINTENANCE
7.52 MHL380 D
7.9.3.3 Replacing the safety cartridge
Do not clean the safety cartridge
and, once it has been removed, do
not use it again.
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Open the support brackets (198/1) and
remove the cover (198/2) with the dust
emptying valve (198/5).
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Carefully turn and tip the main cartridge
(199/1) to remove it.
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The safety cartridge (199/2) is located in-
side the main cartridge.
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Carefully turn and tilt the safety cartridge to
remove it, then dispose of it in compliance
with environmental regulations.
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Clean the inside of the air filter body and
the sealing surface in the housing with
damp cloths.
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Turn the new safety cartridge slightly to
install it in the main cartridge.
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Install the main cartridge by turning it
slightly into the filter body. Check to make
sure it is seated correctly.
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Install the cover with the dust emptying
valve below and fasten the support brack-
ets (198/1).
7.9.3.4 Checking the clean air line
The clean air line between the filter output and
the engine intake pipe (198/3) must be
checked for damage and leaks every time the
filter element is replaced.
If necessary, tighten the clamping bracket
bolts (198/4).
7.9.4 Cooling system
The machine is equipped with separate cool-
ers for combined water/charge air cooling and
the hydraulic oil.