TM 9-2330-389-14&P
4-25.
HYDRAULIC LINES, HOSES, AND FITTINGS MAINTENANCE (Con't).
4.
Remove self-locking nut (7) and hose assembly (3) from cross axle bracket (8). Discard self-locking nut.
5.
Remove other end of hose assembly (3) from frame tee assembly (9).
6.
Position drain pan to catch brake fluid.
7.
Disconnect ends of frame tube assemblies (10 and 11) from frame tee assembly (9) and hydraulic wheel cylinders
(12). Remove tube assemblies (10 and 11) from frame group (13).
8.
Remove capscrew (14), flat washer (15), and frame tee assembly (9) from frame group (13).
b.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame
or excessive heat. The solvent's flash point is 100° F-138°F (38°C-59° C). If you
become dizzy while using cleaning solvent, immediately get fresh air and medical
help. If solvent contacts eyes, immediately wash your eyes and get medical aid.
1.
Clean all parts with dry cleaning solvent and rags.
2.
Inspect hoses, frame tee assemblies, and multiple connector for damage and replace if necessary.
3
Inspect all tube assemblies for any cracks, breaks, bends, or damaged tube nuts. Repair any damaged tube
assemblies.
c.
FABRICATION OF BRAKE TUBE ASSEMBLIES
NOTE
There are four different tube assemblies. All four are assembled the same way.
This procedure covers only one. No repairs of brake tube assemblies are
authorized.
1.
Using tube cutter, cut one flared end off tube assembly (11).
2.
Remove two flared nuts (16) from tube assembly (11). If flared nuts (16) are OK, set aside for later use. If not,
discard flared nuts.
3.
Using tube cutter and Table 4-3, cut new tube assembly (11) to the required length.
Table 4-3.
Tube Assembly
Length
Left and Right Frame Tube Assemblies
(20 in.) 51 cm
Left Cross Axle Tube Assembly
(20.5 in.) 52 cm
Right Cross Axle Tube Assembly
(30 -11/32 in.) 77 cm
4-29
