TM-9-2350-238-20-2
CRANE (CAB) COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT,ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1993
CHANGE 1
TM-9-2350-238-20-2 - Page 113 of 495
TM 9-2350-238-20- 2
Section VI .
MAINTENANCE OF HYDRAULIC LINES AND FITTING S
2-19. GENERAL .
a. This section contains instructions on repair of hydraulic lines and fittings. Repair o f
hydraulic lines and fittings consists of replacement of preformed packings, tube fitting locknuts ,
Iockwashers, and defective sleeve spacers and washers. Pages 2-73 and 2-74 show explode d
views of typical hydraulic lines and fittings used on the vehicle, and give procedures for disas-
sembly and reassembly of fittings. For complete inspection procedures, refer to b. below. Refer
to TM 9-2350-238-24P-2 for ordering of authorized parts. Ensure hydraulic pressure is relieve d
before performing any disassembly of hydraulic lines and fittings .
b. Inspect all unions, nipples, tees, reducers, plugs, elbows, and parts on which end fittings
are used for thread damage, fractures, corrosion, distortion, slivers, restrictions, sealing surfac e
scratches, or mutilation. Hex corners shall not be rounded. Repair is by replacement of author-
ized parts (TM 9-2350-238-24P-2) which do not meet above criteria .
2-20. TUBE ELBOW TO TUBE FITTING .
DISASSEMBL Y
Remove tube fitting locknut (1), sleeve spacer
(2), tube elbow (3), tube fitting locknut (4) ,
flat washer (5), and preformed packing (6) .
REASSEMBL Y
Install new preformed packing (6), flat washe r
(5), new tube fitting locknut (4), tube elbow
(3), sleeve spacer (2), and new tube fittin g
locknut (1) .
2-21. TUBE TEE TO TUBE FITTING .
DISASSEMBL Y
Remove tube fitting locknut (1), flat washe r
(2), and preformed packing (3) before discon-
necting tube assemblies (4) from tube tee (5) .
Remove tube tee (5) .
REASSEMBL Y
Install tube tee (5) in tube assembly (4)
before installing new preformed packing (3) ,
flat washer (2), and new tube fitting locknu t
(1) .
2-7 3
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