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Page Title:
TSUM - 2-019 Beam Recovery (99) Part 2 |
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 TM 5-5420-279-23
TSUM - 2-019 Beam Recovery (99) Part 2
All Maintainer Tasks
Part 2
If press less than
3045 psi (21000 kPa)
Fit pressure gauge to
either counterbalance valve
Does
GB1 on Beam Drive
problem or excessive leakage in
press = 3045 psi
No
Yes
Manifold and use
one or both beam drive m otors.
(21000 kPa)
joystick
See m aint procedures
6-009 & 5-034
Open pinch roller ball
valve in Pinch Roller /
Does
Stow Cylinder
Pressure = 363
M echanical
Go to
Yes
Manifogd 5
Pa l e
psi (2500
Problem
(this rem oves pinch
kPa)
roller pressure)
No
Problem with reducing
valve in Beam Drive Manifold.
Pressure less than
Replace Beam Drive Manifold.
363 psi
Operate joystick to
See m aintenance procedure
(2500 kPa)
Beam In
6-009
Replace Beam
Drive Manifold block.
Do both
Does one
No
No
See m aintenance
rollers rotate
roller rotate
procedure 6-009
Yes
Yes
Investigate
Check operation of
m echanical problem
drive roller / chain
with beam . See -10
drive gearbox
chapter 9
Replace non
functioning hydraulic
m otor. See
m aintenance
procedure 5-034
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