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CONTROL VALVE COMPONENT IDENTIFICATION--BOTTOM
LAPTOP COMPUTER GENERAL DESCRIPTION

Maintenance Manual For Hydraulic Excavator Model 230Lcr
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TM 5-3805-280-24-1
Group 20
Adjustment
PILOT SHUT-OFF VALVE LINKAGE ADJUSTMENT
9025
20
1
A--Pilot Shut-Off Lever
C--Pilot Shut-Off Valve
E--Cap Screw
B--Rod
D--Lever
SPECIFICATIONS
5. Pull pilot shut-off lever to the OFF position. Check
1.5 0.5 mm (0.06 0.02 in.)
that lever is against the rear stop.
Pilot Shut-Off Valve
Lever-to-Cap Screw Head
Clearance
CAUTION: Machine may move if adjustment
is incorrect. Before checking pilot shut-off
1. Stop engine.
lever adjustment, make sure the area around
machine is clear.
2. Remove cover underneath operator's station.
6. Start the engine. Run engine at slow idle. Actuate
3. Push pilot shut-off lever (A) forward to the ON
the hydraulic functions. Hydraulic functions must not
position. Check that lever is against the front stop.
move with the pilot shut-off lever in the OFF
position. If hydraulic function move, repeat
4. Adjust ball joints on rod (B) to get the specified
adjustment procedure.
clearance between valve lever (D) and head of cap
screw (E).
Pilot Shut-Off Valve Lever-to-Cap Screw Head--Specification
Clearance............................................. 1.5 0.5 mm (0.06 0.02 in.)
TX,9025,GG2108
1908JUN981/1
6-130


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