12
TM 5-2420-231-23-3
FIELD MAINTENANCE
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JOYSTICK CONTROL VALVE REPAIR
0
266
Removal, Disassembly, Cleaning and Inspection, Assembly, Installation
INITIAL SETUP
References
Tools and Special Tools
Tool Kit, General Mechanic's
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0
(WP 0376, Item 117)
0
Tool Kit, Electrical Contact (WP 0376, Item 116)
WP 0374 (Group Number 0714, 0731, and
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0
Tool, Pick O-ring (WP 0376, Item 111)
0809)
0
Materials/Parts
Equipment Conditions
Rag, Wiping (WP 0375, Item 25)
Machine parked (TM 5-2420-231-10)
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0
Tag, Marker (WP 0375, Item 33)
Backhoe control tower boot removed
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0
Tiedown Strap (WP 0375, Item 35)
0
Locknut
Estimated Time to Complete
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O-ring (6)
1.7 hr
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0
WARNING
Allow hydraulic system to cool before performing procedure. Hot metal parts can cause
severe burns. Wear eye, hand, and skin protection when working with heated parts.
Hydraulic oil is very slippery. Immediately wipe up any spills.
Failure to follow these warnings may result in injury or death to personnel.
CAUTION
Plug and cap all hoses and fittings to prevent contamination. Failure to follow this caution
may result in damage to the machine.
NOTE
Tag and mark all lines and wires to aid in installation.
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