TM 5-3805-294-23-4
FIELD MAINTENANCE
AUXILIARY CIRCUIT SECONDARY RELIEF SOLENOID VALVE REPLACEMENT
INITIAL SETUP:
References
Tools and Special Tools
TM 5-3805-294-24P: Fig. 208 (Volume 5,
Tool Kit, General Mechanic's: Automotive
WP 0794)
(Volume 5, WP 0796, Table 2, Item 119)
DA FORM 5988-E or DA FORM 2404 (Volume 5,
Cap and Plug Set (Volume 5, WP 0796, Table 2,
WP 0794)
Item 55)
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
Lubricating Oil, Engine OE/HDO 15W-40
Center top cover removed. (WP 0589)
Hydraulic system pressure relieved. (Volume 5,
(Volume 5, WP 0797, Table 1, Item 18)
WP 0767)
Rags, Wiping (Volume 5, WP 0797, Table 1, Item
34)
Vacuum applied to hydraulic reservoir. (WP 0620)
Tags (Volume 5, WP 0797, Table 1, Item 52)
Negative battery cable disconnected. (WP 0521)
Locknut (Volume 5, WP 0798, Table 1, Item 22)
Qty: 2
Time to Complete
O-ring (Volume 5, WP 0798, Table 1, Item 130)
1.3 Hour(s)
Qty: 3
Personnel Required
Construction Equipment Repairer 91L (1)
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.
0638-1