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Page Title:
TSUM - 2-013 Boom Bridge Forward Level Bank (56) Part 1 |
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 TM 5-5420-279-23
Bridge will not boom
forward
Is link
Top W inch not seized
No
Disconnect link
disconnected
when beam built,
between hom e bank
between
proportional valve proven
and far bank carriages
to work in other functions
Yes
Confirm correct function of
Upper W inch as follows:- Step
to Top W inch on chest pack.
Ensure bridge in
O perate joystick to pay out
Level Bank m ode
rope. NOTE CAUTION
on chest pack
Operate joystick to take up
slack rope
Nothing drives
when joystick
operated.
Operator
Tasks
Maintainer
G o to Upper
Does
Tasks
W inch Check.
Top W inch
See hydraulic trouble
operate under
No
shooting chapter 2
proportional
procedure 2-029
control
Yes
CAUTIO N
Confirm correct function
W hen checking function of
of Lower W inch as
winches by paying out rope allow
follows:-
O NLY SUFFICIENT SLACK to
Step to Bridge Lift on
dem onstrate correct functioning.
chest pack. Operate
DO NOT ALLOW SLACK rope to
joystick to pay out rope.
becom e caught on other parts of
NOTE CAUTION
the equipm ent or becom e
Operate joystick to Bridge
incorrectly positioned on sheave
Raise to take up slack
blocks etc.
rope.
Go to Part 2
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