8
TM 5-2420-231-23-3
FIELD MAINTENANCE
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BACKHOE BUCKET COUPLER HYDRAULIC HOSES REPLACEMENT
0258
Removal, Cleaning and Inspection, Installation
INITIAL SETUP
References
Tools and Special Tools
Tool Kit, General Mechanic's
0
0
(WP 0376, Item 117)
WP 0374 (Group Number 0723)
0
Pan, Drain, 5 gal. Capacity (WP 0376, Item 54)
0
Equipment Conditions
Materials/Parts
Machine parked (TM 5-2420-231-10)
0
Cap Set, Protective, Dust and Moisture
0
Estimated Time to Complete
(WP 0375, Item 4)
0.7 hr
Rag, Wiping (WP 0375, Item 25)
0
0
Tag, Marker (WP 0375, Item 33)
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 lines to aid in installation.
Extend backhoe enough to allow access to underside of backhoe dipper cylinder (TM 5-
2420-231-10).
0258-1