TM 5-3805-294-23-4
FIELD MAINTENANCE
ARM CYLINDER BOOM LINES 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. 205 (Volume 5,
Pan, Drain (Volume 5, WP 0796, Table 2, Item
WP 0794)
55)
DA FORM 5988-E or DA FORM 2404 (Volume 5,
Wrench, Adjustable, 18 in.
WP 0794)
(Volume 5, WP 0796, Table 2, Item 55)
Wrench, Combination, 1 7/16 in.
(Volume 5, WP 0796, Table 2, Item 55)
Equipment Condition
Wrench, Combination, 1 5/8 in.
Machine safely parked and shut down
(Volume 5, WP 0796, Table 2, Item 55)
(TM 5-3805-294-10). (Volume 5, WP 0794)
Hydraulic system pressure relieved. (Volume 5,
WP 0767)
Materials/Parts
Vacuum applied to hydraulic reservoir. (WP 0620)
Lubricating Oil, Engine OE/HDO 15W-40
Negative battery cable disconnected. (WP 0521)
(Volume 5, WP 0797, Table 1, Item 18)
Auxiliary circuit return boom lines removed.
Rags, Wiping (Volume 5, WP 0797, Table 1, Item
34)
Auxiliary circuit supply boom lines removed.
Tags (Volume 5, WP 0797, Table 1, Item 52)
O-ring (Volume 5, WP 0798, Table 1, Item 228)
Qty: 2
O-ring (Volume 5, WP 0798, Table 1, Item 225)
Time to Complete
Qty: 2
3.8 Hour(s)
LEFT SIDE LINE 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
0623-1