TM 9-2330-390-14&P
4-108. HYDRAULIC CONTROL VALVE REPLACEMENT (Con’t).
1.
Clean all removed components with a clean rag.
2.
Inspect all components for cracks, breaks, bends, corrosion, of damaged threads. Replace damaged
components.
1.
2.
3.
4.
5.
install new preformed packing (60) elbow (36) new preformed packing (59) straight adapter (58) and swivel
nut elbow (42) on outlet section (16). DO NOT fully tighten swivel nut elbow.
6.
Remove hydraulic control valve (15) with fittings from vise.
NOTE
Preformed packings should be lightly coated with hydraulic fluid before lnstallation.
Place hydraulic control valve (15) in a vise.
Install two new preformed packings (57) and straight adapters (56) on positioning cylinders work section (19).
Loosely install two swivel nut tees (47) and swivel nut elbows (46).
Install four new preformed packings (53) and straight adapters (54) on lift cylinder work sections (29). Loosely
install four swivel nut elbows (37).
Install new preformed packing (48) straight adapter (49) new preformed packing (50) redundant power quick
disconnect coupler (51) and dust plug (52) on inlet section (3). Install new preformed packing (55) and elbow
(30)
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