TM 5-3810-306-34
8. MATCH MARK RING GEAR TO CARRIER BASE
a. Demount superstructure, hoisting carefully to
PLATE.
avoid damage to the swivel assembly and
surrounding hoses.
a. Paint indelible match marks on outside of
turntable ring gear and carrier base plate. These
NOTE
match marks will aid in remating swivel
assembly support channel with support lugs in
Protect turntable bearing ring
carrier frame and locating swing lock in relation
and
carrier
deck
plate
to boom straight over front position.
machined surfaces against
damage and rust while
9. ELIMINATE SLACK FROM HOIST AND REMOVE
separated.
BOLTS 1 AND 6.
INSTALLATION:
a. Verify that slack is removed from sling falls and
that apex is over load center-of-gravity (see 2a
1. INSTALL SUPERSTRUCTURE ONTO CARRIER.
above).
CAUTION
b. Remove final two bolts 1 and 6 securing swing
bearing and ring gear to carrier deck plate.
Forty new 1-1/4 in. 7 N.C. x 7
in. long, grade 8, bolts and
c. Discard all forty of swing bearing tie-down bolts
nuts
are
required
for
and nuts.
mounting
superstructure.
Use the forty bearing bolt
10. REMOVE SUPERSTRUCTURE FROM CRANE.
washers saved at demount,
unless damaged or deformed.
CAUTION
CAUTION
The crane superstructure,
when lowered to a flat
At reassembly of crane
supporting surface, must be
superstructure and carrier, do
blocked up approximately 26
not mix serial numbered
inches
under
turntable
components.
The crane
bearing
ring
to
protect
superstructure should be
suspended swivel. The load
replaced on carrier from
is unstable when resting on
which it was removed.
bearing
ring
without
additional
supports
and
CAUTION
tiedowns.
See RT875CC
transportability data (E6-829-
Pay
strict
attention
to
008730) and shipping data
proximity of counterweight to
plate
(E7-376-2128)
for
top of engine hood. Only a 2-
locations of tiedowns and
inch space exists here, after
supports. For semi-trailer or
installation,
and
minor
rail
transport
of
crane
rocking of superstructure
superstructure and carrier,
during
mounting
could
see Shipping Data Plate.
damage hood.
15-88
