TM 5-3810-306-34
NOTE
Withdraw lift cylinder rod ends only
enough to clear lift cylinder attach
fitting.
e. Retract lift cylinders.
WARNING
Shut down crane before proceeding.
5. DISCONNECT NEGATIVE BATTERY CABLE
AT SHUNT. (REFER TO TM 5-3810-306-20.)
6. REMOVE BOOM PIVOT SHAFT (6) AND
BOOM ASSEMBLY.
a. Remove nuts (7), lockwashers (8) and
capscrews (9) securing pivot shaft pin (10)
through pivot shaft (6).
Discard
lockwashers (8).
b. Remove pivot shaft pin (10).
c. Remove pivot
shaft
(6)
and
thrust
washer(s) (11).
7. RAISE BOOM CLEAR OF CRANE AND
LOWER IT TO GROUND. USE CARE TO
AVOID DAMAGING BOOM NOSE.
b. Suspend boom over crane.
INSTALLATION:
c. Lower the boom into position and align the
WARNING
boom pivot shaft mounting holes for
installation of the pivot shaft.
Ensure blocking and lifting devices
are capable of supporting the boom
NOTE
assembly.
Add thrust washer (11) as necessary
1. INSTALL BOOM ASSEMBLY.
to fill in space between boom and
a. Attach boom lifting device to provide equal
turntable.
weight distribution.
d. Use extreme pressure multi-purpose
grease to lubricate boom pivot shaft (6).
Install boom pivot shaft and secure it with
the boom pivot shaft retaining pin (10),
capscrews (9), new lockwashers (8) and
hex nut (7).
15-6
