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REMOVE AND INSTALL SUCTION STRAINER - Continued
DISASSEMBLE AND ASSEMBLE HYDRAULIC OIL TANK RELIEF VALVE AND BREATHER FILTER CAP

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Hydraulic System
6. Install suction strainer and rod (D and E) making sure
it is pushed down on suction tube at bottom of oil tank.
7. Install cover (C). Make sure rod is through hole in
cover.
Tighten cap screws.
Cover-to-Oil Tank Cap Screw--Specification
Torque ............................................................................. 49 Nm (36 lb-ft)
Install parts (A, B, and F--H).
8. Add hydraulic oil to tank until it is between marks on
sight glass. (See Hydraulic Oil in Group 0004.)
IMPORTANT: Hydraulic pump will be damaged if not
filled with oil before starting. Procedure
must be performed to fill pump housing
whenever oil has been drained from the
pump or hydraulic oil tank.
9. Do the Hydraulic Pump Start-Up Procedure. (See
procedure in this group.)
A--Filler Cap
B--Vent Plug
C--Cover
D--Rod and Nuts
E--Suction Strainer
F--Housing
G--Relief Valve
H--Filter
TX,33,GG2428
1913MAY984/4
33
3360
129
21-161


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