TM-9-2350-238-20-2
CRANE (CAB) COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT,ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1993
CHANGE 1
TM-9-2350-238-20-2 - Page 135 of 495
WARNING
TM 9-2350-238-20- 2
REASSEMBLY
1
Install gun lock clamp assembly (1) o n
5
Apply epoxy resin adhesive (item 2 app x
machine gun mount pintle (2) and secur e
C) to bonding surfaces of rigger’s cupol a
with setscrew (3), rigger’s cupola set -
assembly cupola ring (11) and install new
screw (4) and hexagon plain nut (5) .
2
Apply grease (item 12, appx C) to 78 bal l
bearings (6), 78 cupola ring ball bearings
(7), upper cupola retainer (8), and lower
cupola base retainer (9) .
3
Install lower cupola base retainer (9). In -
stall 78 ball bearings (6) and 78 cupol a
ring ball bearings (7) alternately aroun d
lower cupola base retainer (9) .
Dry cleaning solvent (SD2) is toxic
and flammable. Wear protective gog -
gles and gloves and use only in well-
ventilated areas .
4
If rigger’s cupola hatch crash cushionin g
pad (10) was removed, use dry cleanin g
solvent (item 10, appx C) and wire brus h
to remove residual adhesive from bondin g
surfaces of rigger’s cupola assembly .
rigger’s cupola hatch crash cushioning pa d
(10). Center pad in rigger’s cupola assem-
bly cupola ring within 0.030 in. (0.07 6
cm) and bend tabs to hold firmly in place .
6
Install upper cupola retainer (8) on rigger’ s
cupola assembly cupola ring (11) .
7
Install four socket head capscrews (12 )
securing lower cupola base retainer (9) t o
upper cupola retainer (8) .
8
Install cupola ring release handle retainin g
strap (13), two new Iockwashers (14) ,
and two machine screws (15) .
9
Install helical compression spring (16) o n
headless shoulder pin (17). Install headless
shoulder pin, cupola cover door handl e
(18) and headless grooved pin (19) on rig-
ger’s cupola assembly cupola ring (11) .
2-9 5
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