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TM5-2420-222-34
14-9.
BACKHOE CONTROL VALVE ASSEMBLY REPAIR (Con’t).
7.
Remove swing valve (6), two preformed packings (23), and preformed packing (22) from bucket valve (24).
Discard preformed packings.
8.
Remove bucket valve (24), two preformed packings (21), and preformed packing (20) from crowd valve (25).
Discard preformed packings.
9.
Remove crowd valve (25), two preformed packings (19), and preformed packing (18) from stabilizer valve (5).
Discard preformed packings.
b.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only In a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame
or excessive heat. The solvent's flash point is 100°F-138°F (38C-59C). If you
become dizzy while using cleaning solvent, Immediately get fresh air and medical
help. If solvent contacts eyes, Immediately wash your eyes and get medical aid.
1.
Clean all metal parts with dry cleaning solvent and rags. Dry thoroughly with clean, dry rags.
2.
Inspect all metal parts for cracks, breaks, and abnormal bends.
3.
Inspect valve head for damaged threads.
TA701577
14-47
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