d. Coat guide (7) with grease and install it into
plunger housing. Install spring (6), instruction
tag (4) and cap (5) into plunger housing. Torque
Elevate both rear wheels when
cap to 15-25 ft-lbs (20-33 Nm). Bend tabs on
If one wheel
lock plate to secure cap.
remains on the ground, the crane
may move when the other wheel is
e. Using suitable seal driver tool, seat adjusting bolt
a. Cage spring brake manually or build up air
pressure and release the parking brake.
Do not reline shoes with combination
b. Using outriggers, raise wheels off ground.
(Refer to TM 5-3810-306-10.)
4. APPLY GREASE TO SHOE REST PADS AND
Do not check the clearance at the
5. INSTALT BRAKE SHOES (2).
ends of the linings.
a. Apply grease to tops of plungers, inside of guide
Use feeler gauge to check clearance between
plates and bases of shoes where they contact
center of linings and the drum. The clearance
plungers and guide plates.
must be 0.020-0.040 in. (0.5-1.0 mm).
b. Position brake shoes so long radius of shoe web
fits into slots on adjacent bolt retainer and web
stamped with an arrow stamp points to anchor
Do not damage the seals (8) and (13)
plunger in a forward wheel rotation.
when you adjust the brake. If you
damage the seals, replace the
Secure brake shoes (2) with springs (1) installed
damaged seal with a new one.
using brake spring pliers.
d. Work on one brake shoe at a time. Use an
6. INSTALL PLANETARY WHEEL END ASSEMBLY.
adjusting spoon or a screwdriver to turn star
wheel on the adjuster (10) in direction shown to
move the linings against the drum.
7. INSTALL BRAKE CHAMBERS. (REFER TO TM 5-
adjuster (10) until you feel a heavy drag on the
drum when you rotate wheel.
8. ADJUST BRAKES.
If brakes shoes (2) were not replaced,
do steps a. and b. in addition to the