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 TM 9-2520-238-34
REPLACE STRAIGHT ADAPTER AND BRAKE SHOE ASSEMBLIES -- Continued
0021 00
INSTALLATION
NOTE
Procedures are the same for left and right brake shoe assemblies.
Make sure hose and elbow are positioned properly on brake shoe when it is installed in
differential housing.
1.
Install two brake shoe assemblies (1) in differential housing (2). Remove steering brake adjusting nut (3), rod end clevis
(4), washer (5), and helical spring (6) from brake shoe assembly. Position brake shoe assembly (1) around brake drum
(17), and install pin (7) through steering brake shaft (8). Install spring and washer over clevis. Insert clevis through pin
and secure with adjusting nut (3). Repeat steps above for other brake shoe assembly.
2.
Install brake access plug (9) in differential housing (2) as follows. Apply a light coat of antiseize compound to clean
threads of plugs. Install plugs in housing.
3.
Install pipe to tube elbow (10) and two adapters (11) in adapter (12). Clean male tapered pipe threads thoroughly. Apply
sealing compound to small end of pipe threads. Do not fill leading thread. Install elbow at a 30 angle from the
horizontal toward base of adapter.
4.
Install adapter (12) on differential housing (2). Clean threads of cap screws (13) thoroughly. Apply a light coat of
antiseize compound to threads at installation. Place new gasket (14) on housing. Connect two nonmetallic hoses (15) to
adapters. Place adapter on housing (2). Secure with four new key washers (16) and screws (13). Tighten screws to
252-300 lb-in (29-34 Nm) torque. Use torque wrench and socket set. Bend tabs on key washers.
17
0021 00-5
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