Section VI. MAINTENANCE OF HYDRAULIC LINES AND FITTINGS

TM 9-2350-238-20-1

Section VI. MAINTENANCE OF HYDRAULIC LINES AND FITTINGS

2-21. GENERAL.

a. This section contains instructions on repair of hydraulic lines and fittings. Repair of hydraulic

lines and fittings consists of replacement of preformed packings, tube fitting locknuts, Iockwashers,

loop clamps, tube clamps, and defective sleeve spacers and washers. Pages 2-378 and 2-379

show exploded views of typical hydraulic lines and fittings used on the vehicle, and give procedures

for disassembly and reassembly of fittings. For complete inspection procedures, refer to b. below.

Refer to TM 9-2350-238-24P-1 for ordering of authorized parts. Ensure hydraulic pressure is

relieved before performing any disassembly of hydraulic lines and fittings.

b. Inspect all unions, nipples, tees, reducers, plugs, elbows, loop clamps, tube clamps, and parts

on which end fittings are used for thread damage, fractures, corrosion, distortion, slivers, restrictions,

sealing surface scratches, or mutilation. Hex corners shall not be rounded. Repair is by

replacement of authorized parts (TM 9-2350-238-24P-1) which do not meet above criteria.

2-22. TUBE ELBOW TO TUBE FITTING.

Remove tube fitting locknut (1), sleeve spacer

(2), tube elbow (3), tube fitting locknut (4), flat

washer (5), and preformed packing (6).

Install new preformed packing (6), flat washer

(5), new tube fitting locknut (4), tube elbow (3),

sleeve spacer (2), and new tube fitting locknut

(1).

2-23. TUBE TEE TO TUBE FITTING.

1 Remove tube fitting locknut (1), flat

washer (2), and preformed packing (3).

2 Disconnect tube assemblies (4) from tube

tee (5), and remove tube tee.

Install tube tee (5) in tube assembly (4) before installing new preformed packing (3), fiat washer (2),

and new tube fitting locknut (1).

2-378