TM 55-1680-320-23 & P
3-15. BOOM HEAD ASSEMBLY - REPAIR (cont)
3-15
w.
x.
y.
z.
Remove clamp (63) by removing nut (64),
washer (65) and bolt (66). Pull flexible drive
shaft (62) from boom head.
Remove bearings (69) from
(70).
Remove spur gear (71) and
from spur gear shall (70).
spur gear shaft
worm gear (72)
Remove spur gear shaft (70) from main
housing assembly. Remove machine key (73)
from shaft.
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