TM 9-2330-275-14&P4-85. HYDRAULIC HOSES AND FlTTINGS REPLACEMENT (M840).This Task Covers:a. Removalb. InstallationInitial Setup:Tools/Test EquipmentMaterials/Parts:General mechanic’s tool kitRags (Item 11, Appendix E)Common no. 1 shop setOne Iockwasher1.2.3.4.5.6.7.8.NOTEM840 has four hydraulic hoses Perform following steps to remove each hydraulichose.Disconnect hydraulic hose (1) from adapter (12).Remove hydraulic cylinder(16) from dolly (para 4-86).NOTENot. position of fittings for Installation.Remove adapter (12), lifting-leveling jack valva (13), elbow (14), and adapter (15) from hydraulic cylinder (16).NOTEOnly one hydraulic hose of M840 has clamp. Perform steps 4 and 5 to remove clamp.Remove screw (2) and Iockwasher (3) to free two clamps (4 and 5) from rear axle (6). Discard Iockwasher,Remove clamp (4) from hydraulic hose (1).Remove hydraulic hose (1) from tee (7).Disconnect hydraulic hose (8) from tee (7).Remove tee (7), bushing (9), and adapter (10) from hydraulic pump (11).1.Install adapter (10), bushing (9), and tee (7) to hydraulic pump (11).2.Connect hydraulic hose (8) to tee (7).3.Connect hydraulic hose (1) to tee (7).NOTEOnly one hydraulic hose of M840 has clamp. Perform steps 4 and 5 to Install clamp.4.Install clamp (4) to hydraulic hose (1).4-234
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