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Page Title:
TSUM - 2-008 Build Launch Beam (33) Part 6 |
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 TM 5-5420-279-23
TSUM - 2-008 Build Launch Beam (33) Part 6
All Maintainer
Part 6
Tasks
CAUTION
Reduce tension in
W hen checking function of
top winch rope by
winches by paying out rope allow
switching to Top
ONLY SUFFICIENT SLACK to
Beam drive
W inch on chest
dem onstrate correct functioning.
wheels do not turn
pack and pay out
DO NOT ALLOW SLACK rope to
som e rope
becom e caught on other parts of
NOTE CAUTION
the equipm ent or becom e
incorrectly positioned on sheave
blocks etc.
In Beam
Fault cleared -
Beam does not
Drive does beam
Yes
No
locked in tension
m ove - wheels
m ove forward and keep
in top winch
not turning
m oving
Is
LED
Manually operate
on SV4 on Launch Fram e
Yes
SV4 and operate
W inch Control Manifold lit in
joystick
Beam
Drive
Replace SV4.
Does beam
Yes
See m aintenance
m ove
procedure 5-122
No
No
Fit pressure gauge to
Electrical fault.
TPA3 on Launch
See electrical trouble
Fram e W inch Control
shooting chapter 3
Manifold and use
procedure 3-005
joystick
If press is less than
Fit Pressure
3045 psi (21000 kPa), either
Does
Gauge on GB1 on
counterbalance valve problem
No
Yes
P = 3045 psi
Beam Drive
(replace Beam Drive Manifold) or
(21000 kPa)
Manifold and use
excessive leakage in one or both
joystick
beam drive m otors. See Maint
Procedures 6-009 & 5-034
Does
Mechanical
Press = 368
Go to Part 7
Yes
Problem
psi (2500
kPa)
No
Replace Beam
Press less than
Drive Manifold. See
368 psi
m aintenance
(2500 kPa)
procedure 6-009
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