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TM5-2420-222-34
14-9.
ACKHOE CONTROL VALVE ASSEMBLY REPAIR (Con’t).
c.
REPAIR
Restore damaged valve head (2) threads using screw threading or pipe threading set.
d.
ASSEMBLY
1.
Coat two new preformed packings (4) and new preformed packing (3) with hydraulic fluid and install in valve head
(2).
2.
Aline match-marks and install stabilizer valve (5) in place on valve head (2).
3.
Coat two new preformed packings (19) and new preformed packing (18) with hydraulic fluid and install in stabilizer
valve (5).
4.
Aline match-marks and install crowd valve (25) on stabilizer valve (5).
5.
Coat two new preformed packings (21) and new preformed packing (20) with hydraulic fluid and install in crowd
valve (25).
6.
Aline match-marks and install bucket valve (24) on crowd valve (25).
7.
Coat two new preformed packings (23) and new preformed packing (22) with hydraulic fluid and install in bucket
valve (24).
8.
Aline match-marks and install swing valve (6) on bucket valve (24).
9.
Coat two new preformed packings (8) and new preformed packing (7) with hydraulic fluid and install In swing valve
(6).
10.
Aline match-marks and install boom valve (9) on swing valve (6).
11.
Coat two new preformed packings (11) and new preformed packing (10) with hydraulic fluid and install in boom
valve (9).
TA701578
14-48
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