TM 5-3810-306-34
Section III. PLANETARY DRIVE MAINTENANCE
PLANETARY WHEEL END ASSEMBLY
TOOLS:
SUPPLIES:
EQUIPMENT CONDITIONS:
Outriggers fully extended and lowered. (Refer to TM 5-3810-306-10.)
Wheel assemblies removed. (Refer to TM 5-3810-306-20.)
Spring in air brake chambers caged. (Refer to TM 5-3810-306-20.)
REMOVAL:
NOTE
The adhesive effect of liquid gasket
1. DRAIN LUBRICANT FROM HUB.
material may require using the pry
a. Rotate hub assembly so DRAIN/FILL plug
bar slots provided.
(1) is at bottom.
c. Separate and remove planetary spider
b. Drain lubricant.
assembly (2) from wheel hub assembly
(21).
c. Clean magnetic drain plug.
d. Remove setscrews (17).
2. REMOVE PLANETARY ASSEMBLY.
e. Support planetary spider (2) in a press,
a. Match mark both spider (2) and wheel hub
flange side down.
(21) for identification of correct alignment
when reassembling unit.
WARNING
b. Remove thirty planetary spider capscrews
Do not strike planet gear shafts (15)
directly with a hammer. Personal
injury from chips or splinters may
CAUTION
result.
Planetary axles employ a floating ring
NOTE
gear.
Care should be taken to
prevent this gear from accidentally
Place block of wood under press to
falling out when planetary spider is
cushion gear shafts as they are
removed. Two screws (18) should be
pressed out.
left slightly threaded to prevent
planetary spider assembly from
f. Using press, press out planet gear shafts
falling out while prying.
(15) and packing (16). Remove packing
(16) and discard.
8-50