PS Magazine - TB 43-PS-573

PS, The Preventative Maintenance Monthly

ISSUE 573

AUGUST 2000
PS Magazine - TB 43-PS-573 - Page 12 of 43
AUG 00
MLRS . . .
fittings. If you see fluid coming out of
any fitting, tighten the connections.
If the leak continues, replace the
leaking parts. They’re listed in callout
E in Fig 28 of TM 9-1450-646-24P.
Area 2
Look for a leaking connection at the
solenoid valve, NSN 4810-01-108-
5223.
A leak can limit the pressure at the
valve. Without enough pressure to
force fluid through the solenoid, the
system won’t lock the roadwheel sup-
port arms. Make sure the connections
are all tight.
Check for leaks at suspension
lockout assemblies
darn
it!
why
won’t the
suspension
lock
?!
could be
from all the
hydraulic leaks
you
didn't
catch
!
Solenoid leaking? Tighten connections
echanics, if you can’t get the sus-
pension lockout (SLO) system work-
ing on an MLRS, your first stop should
be the troubleshooting procedures in
TM 9-1450-646-20-1. The task list on
Page 3-9 tells you where to find them.
But if troubleshooting leads to a dead
end, don’t despair. There are two other
areas that could be the source of the
problem:
Area 1
The hydraulic lines that attach to the
SLO assemblies on the numbers 1, 5
and 6 roadwheel support arms could
be leaking.
Get someone to pump the SLO
handle while you check each of these
PS 573
16
AUG 00
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