OPERATING INSTRUCTIONS RH 40 E Inspection and servicing High-pressure filters for the servo circuit and the feeding circuit of the slewing pump
Checking/cleaning the filter elements
The excavator is equipped with a high-pressure filter (40, Fig. 3-62:) for the servo circuit and §another filter (41) for the feeding circuit of the slewing pump.
" Withdraw filter element (43) from housing (42).
" Unscrew filter housing (42, Fig. 3-63:) and pour out the oil.
" Clean filter housing and contact faces at the filter head with white spirit or paraffin oil. " Insert filter element into housing (42) and attach to the filter head with a new, slightly oiled sealing ring (46). " Check the high-pressure filter for leaks after thesystem has been put into operation.
Fig. 3-62:
Read and observe: "Inspection and servicing - Safety instructions".
Shut off the engine. Fig. 3-63:
Risk of scalding from hot hydraulic oil.
Replacing the filter elements The filter housings may also be hot. Avoid skin contact.
" Detach the filter elements as described under "Checking the filter elements".
Skin contact with hydraulic oil may cause skin injury.
" Insert new assemble.
Wear protective clothing.
" Check the high-pressure filter for leaks after putting it into operation.
gloves
and
firm
protective
filter
element
(43)
and
re-
Collect escaping hydraulic oil and discard without polluting the environment.
3-64
BA RH40E(3 664 930.00)-EN
