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TM 5-2420-222-20-3
BACKHOE CONTROL VALVE LEVERS AND LINKAGE (SERIAL NUMBERS 319995 THRU 342573 ONLY)
This task covers:
a. Removal (page 2-1314)
e.
Repair (page 2-1319)
b. Disassembly (page 2-1315)
f.
Assembly (page 2-1320)
c. Cleaning (page 2-1318)
g.
Installation (page 2-1322)
d. Inspection/Replacement (page 2-1319)
INITIAL SETUP:
Tools
Materials/Parts - Continued
Extension, 1/2-inch drive, 10-inch
Nut, special, connector link screw
Hammer, ball-peen, 1-pound head
(four required)
Hammer, plastic-faced
Pin, cotter, connector link pin
Handle, ratchet, 1/2-inch drive
(six required)
Pliers, long roundnose
Pin, cotter, pivot shaft (two required)
Pliers, snapring
Rags, wiping (item 21, Appendix C)
Punch, straight drive-pin, 1/4-inch
Solvent, drycleaning (item 28, Appendix C)
Socket, 1/2-inch drive, 1/2-inch
Socket, 1/2-inch drive, 9/16-inch
Personnel Required
Threading set, screw
Vise, machinist’s
One
Wrench, box, 1/2-inch
Equipment Condition
Materials/Parts
Backhoe valve box cover removed
Detergent, GP (item 7, Appendix C)
(page 2-1157)
Grease (LO 5-2420-222-12)
Lockwasher, mounting frame screw
(four required)
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
1.
Six spool devises
Six cotter pins (3)
a.
Using long roundnose pliers,
(1) and six
straighten ends and take out.
connector pins (2)
b.
Get rid of.
2.
Six spool devises
Six connector
Take out.
(1), connector
pins (2)
links (4), and
four connector
links (5)
2-1314
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