TM 9-2330-390-14&P4-108. HYDRAULIC CONTROL VALVE REPLACEMENT (Con't).1.2.3.4.5.6.NOTEPreformed packings should be lightly coated with hydraulic fluid before lnstallation.Place hydraulic control valve (15) in a vise.Install two new preformed packings (26) and elbows (27) on positioning cylinders work section (19). Looselyinstall 45° swivel nut elbow (28) (top port only), two swivel nut tees (11), and swivel nut elbows (9).Install two new preformed packings (23) and straight adapters (24) on lift cylinder work sections (20). Looselyinstall two swivel nut elbows (8).Install two new preformed packings (32), reducers (31) new preformed packings (30), and long elbows (18) onlift cylinder work sections (20).Install two new preformed packings (29) and unions (14) on outlet section (16).Install new preformed packing (33) union (34), dust plug (1) new preformed packing (35), and redundantpower quick disconnect coupler (2) on inlet section (3). Install new preformed packing (25) and elbow (4).4-284
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