TM 9-2350-256-34-1
Figure 2-21.
Hoisting boom removal and installation (Sheet 2 of 2).
b . I n s t a l l a t i o n . I n s t a l l t h e h o i s t i n g b o o m
assembly in reverse order of removal.
NOTE
If boot (fig. 2-21. views B and C) is re-
placed. use part number 11673351 and
adhere joining strips at installation using
adhesive type II, specification MMM-
A-121 or MMM-A-1617.
2 - 2 4 . 1 .
H o i s t i n g B o o m R e m o v a l
WARNING
Removal of hoisting boom when both
the main engine and auxiliary power
unit engine are inoperable is a safety
h a z a r d a n d m a y c a u s e i n j u r y t o
personnel.
a. Removal. Remove boom in accordance with
figure 2-21.
( 1 ) A f t e r p o w e r p l a n t s a r e o p e r a b l e , s t a r t
hydraulic system and exercise the boom cylinders
through their entire stroke to purge all air from
cylinders.
b. Installation. Install hoisting boom assembly in
reverse order of removal.
2 - 2 4 . 2 . E l e v a t i n g H o i s t i n g B o o m
Deleted
2 - 2 5 . M a i n W i n c h a n d S p a d e
A s s e m b l y
NOTE
a. Load testing of main winch is man-
d a t o r y p r i o r t o u s e . u n d e r a n y o f t h e
following conditions:
(1) When new.
(2) Following any repairs. disassembly
and assembly, adjustments, or parts
replacement.
(3) When modifications are made that
c o u l d a f f e c t t h e s t r e n g t h o r l i f t i n g
capabilities of the vehicle.
b. Load testing will be accomplished by
support maintenance activities.
c. Refer to TM 9-2350-256-34-2 for de-
tailed step-by-step procedure.
NOTE
I f y o u r
v e h i c l e h a s m a i n
w i n c h
a s s e m b l y 8 7 3 9 0 1 0 - 1 1 o r 8 7 3 9 0 1 0 - 1 ,
s e n d
w i n c h
a s s e m b l y
t o d e p o t
maintenance
f o r r e m o v a l o f a n t i -
c h a t t e r k i t .
a. Removal
Prior to removing the main winch and
spade, remove subfloor plates 2. 3, 4 (fig. 2-3) and
open doors of subfloor plates 3, 21 (fig. 2-3). Remove
the winch cable (para 2-22). Remove the main winch
and spade assembly as shown in figure 2-22.
TA171782
Change 8
2-47