TM-9-2520-246-34
TRANSMISSION MODEL 3052, NSN 2520-00-347-4520
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
MAY 1978
TM-9-2520-246-34 - Page 82 of 153
TM 9-2520-246-34
Section VI. REPAIR (MODEL T-136-21)
4-21. General.
a.
This section contains disassembly and assembly
procedures for the model T-136-21 transfer.
b.
Clean, inspect, and follow the repair procedures
in Chapter 2, section III, of this manual.
c.
Transfer disassembly is accomplished by the
logical step-by-step procedures in paragraphs 4-22 and
4-23. Refer to paragraphs 4-24 and 4-25 for assembly
procedures.
NOTE
Assembly procedures are given only where
special attention to a part or assembly is
needed. Assembly of the transfer is the
exact opposite of disassembly, unless
otherwise specified or stated.
4-22. Disassembly of Transfer into
Subassemblies.
a. Handbrake Drum and Shoe Assembly.
Remove
the cotter pin from the rear output shaft and nut. (See
fig. 4-27.) Apply the hand brake by hand, and remove
the rear output shaft companion flange, nut, and
washer. Disconnect and remove the handbrake shoe
return spring. Remove the jamnut from the shoe
anchor pin. (See fig. 4-28.) Unscrew the anchor pin
from the rear-output-shaft rear-bearing cover. Slide
the brakeshoe assembly from the brakedrum. Pull the
companion flange, brake drum, and grease shield from
the rear output shaft. (See fig. 4-27.) Remove the two
capscrews and lockwashers securing the shoe-stop
bracket (fig. 4-28) to the transfer case and remove the
bracket.
NOTE
Apply white lead pigment (Fed Spec TT-
W-261C) to the spline of the rear output
shaft before installing handbrake drum and
rear output shaft companion flange.
Tighten nut to 300-400 lb-ft torque. Place
washers on anchor pin to space brake shoe
so that 1/16 inch of drum shows. Tighten
pin until binding occurs when brake is
applied and back off
turn. Tighten
locknut to 153-196 lb-ft torque.
Figure 4-28. Removal of Handbrake Assembly.
b. Installation of Transfer on Overhaul Stand.
Install transfer on overhaul stand using brackets. (See
fig. 4-29.)
c. Draining.
Remove transfer case magnetic drain
plug (fig. 4-27) and front output shaft cover filler plug
(fig. 4-29) and drain transfer lubricant into a suitable
container. Inspect magnetic plugs for chips.
d.
NOTE
If chips are found, inspect in accordance
with repair and replacement standards.
(Refer to section VIII.)
Companion Flanges.
NOTE
Apply a coating of white lead pigment, Fed
Spec TT-W-261C, to input shaft spline
before installing companion flange. Tighten
flange nut to 300-400 lb-ft torque.
4-21
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