Hydraulic Filter Repair; Hydraulic Filter; Clean And Inspect - Yale GLP20LX Service Manual

0100 YRM 1766
REMOVE
WARNING
At operating temperature, the hydraulic oil is HOT.
DO NOT permit the hot oil to touch the skin and
cause a burn.
CAUTION
DO NOT permit dirt to enter the hydraulic system
when the oil level is checked or the filter is
changed. Dirt can cause damage to the compo-
nents of the hydraulic system.
Never operate the hydraulic pump without oil in
the hydraulic system. The operation of the hy-
draulic pump without oil will damage the pump.
CAUTION
Disposal of lubricants and fluids must meet local
environmental regulations.
1. Put lift truck on level surface and lower carriage.
2. Unscrew and remove lid and spring from head.
Remove and discard O-ring from lid. See Fig-
ure 41.
NOTE: Have container large enough to hold filter ele-
ment and allow for final hydraulic oil draining.
NOTE: Note placement of filter element and handle
prior to removal to aid in installation.
3. Remove filter element and O-ring from filter hous-
ing and place in container. Cover head to prevent
any foreign material from getting into the hydraulic
tank. See Figure 41.
4. After filter element has drained, discard filter ele-
ment and O-ring.
5. Remove and discard quad ring from filter housing.
See Figure 41.

CLEAN AND INSPECT

1. Clean housing and cover plate as necessary.
2. Inspect filter housing, especially sealing surfaces,
for damage. Replace, if damaged.

Hydraulic Filter Repair

3. Inspect dipstick plug. Replace O-ring and plug as
INSTALL
1. Lubricate sealing surfaces on filter housing with
2. Lubricate new quad ring with clean hydraulic oil
3. Lubricate new O-ring with clean hydraulic oil and
4. Install new filter element into filter housing as no-
5. Lubricate new O-ring with clean hydraulic oil and
6. Install spring and lid onto filter housing. See Fig-
1. LID
2. SPRING
3. O-RING
4. FILTER ELEMENT
necessary.
clean hydraulic oil.
and install onto filter housing. See Figure 41.
install on bottom of new filter element. See Fig-
ure 41.
ted during removal. See Figure 41.
install on lid. See Figure 41.
ure 41. Tighten lid to 14 N•m (124 lbf in).
Figure 41. Hydraulic Filter
Hydraulic Filter Repair
5. HEAD
6. FILTER HOUSING
7. QUAD RING
43