TM 5-3805-294-23-4
FIELD MAINTENANCE
BOOM, BUCKET, ARM, AND AUXILIARY CIRCUIT RELIEF VALVES REPLACEMENT
INITIAL SETUP:
Personnel Required
Tools and Special Tools
Construction Equipment Repairer 91L (1)
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP 0796, Table 2, Item 119)
Cap and Plug Set (Volume 5, WP 0796, Table 2,
References
Item 55)
TM 5-3805-294-24P: Fig. 174, Fig. 175, Fig. 176,
Gloves, Rubber (Volume 5, WP 0796, Table 2,
Fig. 177 (Volume 5, WP 0794)
Item 55)
DA FORM 5988-E or DA FORM 2404 (Volume 5,
Goggles, Industrial (Volume 5, WP 0796, Table 2,
WP 0794)
Item 58)
Pan, Drain (Volume 5, WP 0796, Table 2, Item
55)
Equipment Condition
Machine safely parked and shut down
(TM 5-3805-294-10). (Volume 5, WP 0794)
Materials/Parts
Hydraulic system pressure relieved. (Volume 5,
Lubricating Oil, Engine OE/HDO 15W-40
WP 0767)
(Volume 5, WP 0797, Table 1, Item 18)
Center top cover removed. (WP 0589)
Rags, Wiping (Volume 5, WP 0797, Table 1, Item
34)
O-ring (Volume 5, WP 0798, Table 1, Item 90)
Time to Complete
Qty: 8
0.5 Hour(s)
REMOVAL
WARNING
WARNING
Hydraulic system operates at high pressures and temperatures. Always allow hydraulic oil to
cool and relieve pressure in hydraulic reservoir before working on hydraulic system. Wear
eye protection and gloves to prevent injury. Open lines and hoses slowly and wait for any
residual pressure to relieve before continuing to open lines and hoses. Failure to comply may
result in injury or death to personnel.
0654-1