HYDRAULIC SYSTEM 18000 SERIVCE/MAINTENANCE MANUAL
2-6 Published 12-05-17, Control # 035-23
REPLACING FILTERS
This crane has six or seven hydraulic filters, as shown in
Figure 2-2
:
• Filter 1 and 2 (Prior to s/n 18001082 Charge Filter): 12-
micron absolute which filter oil to all charge pumps.
• Filter 1 and 2 (s/n 18001082 and newer Return Filters):
12-micron absolute which filter oil to all charge pumps.
• Filter 4 (2 or 3 each return): 12-micron absolute which
filter all oil returning to tank.
• Filter 8 (2 each suction): 100-mesh which filter suction
oil to the pumps.
The system fault alert will come on in the operator’s cab
when any filter plugs with dirt (see Digital Display in Section 3
of the Crane Operator Manual). The alert indicates which
filter element needs replacing, as follows:
It is normal for the alert to come on at start-up when the oil is
cold. If the filters are not plugged, the alert will turn off after
the hydraulic oil warms up.
FIGURE 2-3
Outlet
Past Production
Charge Filter
Inlet
Current Production
Charge Filter prior
to S/N 18001082
Item Description
1 Vent Plug
2a Cover
2b Handle (part of cover)
3 O-Ring with Back-Up Ring
4 O-Ring
5Element
6 Tube
7 Head
2a
2b
1
4
3
5
6
4
7
Outlet
Inlet
1
2a
4
7
4
5
6
18CSM2-101
18CSM2-100
NOTE: S/N18001082 and newer - Supercharge
pump and charge filters 1 and 2
replaced with accessory pump and
additional return filter.
Digital Display Reading
FILTER 1 or FILTER 2 (Prior to s/n 18001082 Charge
Filter. S/N 18001082 and newer Return Filters)
(replace both elements)
NOTE: On S/N18001082 and newer - Supercharge
pump and charge filters 1 and 2 replaced with
accessory pump and additional return filter.
FILTER 4 (Return Filter)
(replace all (2 or 3) elements)
FILTER 8 (Suction Filter)
(clean both filters)
Must drain hydraulic to service these filters.
See Changing Oil procedure in this section.
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