18
TM 5-2420-231-23-3
FIELD MAINTENANCE
-
BACKHOE DIPPER SUPPORT ARM REPLACEMENT
0297
Removal, Cleaning and Inspection, Installation
INITIAL SETUP
Materials/Parts - Continued
Tools and Special Tools
Tool Kit, General Mechanic's
Grease, Automotive and Artillery (GAA)
0
0
(WP 0376, Item 117)
(WP 0375, Item 14)
Diaphragm, Valve, Flat (Hose Pick)
Rag, Wiping (WP 0375, Item 25)
0
0
(WP 0376, Item 18)
Tag, Marker (WP 0375, Item 33)
0
Handle, 3/4" Dr., 19-1/4" OAL w/Lock Button
Groove Pin (2)
0
0
(WP 0376, Item 35)
O-ring (2)
0
Pan, Drain, 5 gal. Capacity (WP 0376, Item 54)
Seal (2)
0
0
Punch, Drive Pin, 7/32" Dia Pt, 5-1/4" OAL
0
Personnel Required
(WP 0376, Item 71)
Two
Ratchet Head, 3/4" Dr., Sealed Head
0
0
(WP 0376, Item 72)
References
Sledge, Double Face Hammer, 8-lb
0
(WP 0376, Item 78)
0
WP 0374 (Group Number 0723, 0725, 0814,
Sling, Eye (Nylon, 4 ft x 1 in.)
0
0
0816, and 0817)
(WP 0376, Item 79)
Socket, Socket Wrench, 2-3/16" Shallow, 6
Equipment Conditions
0
Point (3/4" Dr.) (WP 0376, Item 98)
Backhoe extended and lowered to ground
0
Tool, Backhoe Coupler Piston
(TM 5-2420-231-10)
0
(WP 0376, Item 109)
Backhoe dipper and bucket support arms
0
Torque, Multiplier, 1,200 ft-lb (3 Pc)
removed (WP 0296)
0
(WP 0376, Item 118)
Backhoe dipper cylinder removed (WP 0275)
0
Trestle, 10-Ton (WP 0376, Item 120)
Backhoe bucket cylinder removed (WP 0276)
0
0
Wrench, Torque, 1/2" Dr., 30-250 ft-lb
0
Estimated Time to Complete
(WP 0376, Item 148)
Lifting Device (1,500-lb capacity)
7.0 hr
0
0
Materials/Parts
Cap Set, Protective, Dust and Moisture
0
(WP 0375, Item 4)
0297-1