PS Magazine - TB 43-PS-557
PS, The Preventative Maintenance Monthly
ISSUE 557
APRIL 1999
PS 557
14
APR 99
PS 557
15
F 11
are worn to the circle, replace the
sprocket.
Watch for loose mounting bolts on
the track guard deflector. Loose bolts
let the deflector get caught in the track
and break off. So get your mechanic to
tighten loose deflector bolts.
Keep tools, TMs and other items
away from the accelerator and brake
pedals when lowering the cab. Any-
thing that gets in the way will be
crushed and can damage the control
linkage.
Restart to double-check BIT light
4.
Flip the SUSPENSION LOCKOUT
switch to DISENGAGED to unlock the
roadarms.
Closing the ballistic window is a
two-man job. When unlocking the tor-
sion bar that holds the window open,
the bar unwinds with enough force to
3.
Pump the SLO handle back and
forth until the UNLOCKED light goes
out and the LOCKED light comes on.
The numbers 1, 5 and 6 roadarms are
now locked.
Track guard bolts loose?
Reverse sprockets when
wear circle is reached
Keep items
away from
pedals
Pump
SLO
handle
Use
second
person to
close
ballistic
window
slam shut the heavy window—bad
news for anyone standing nearby.
One crewman should hold the win-
dow down while the driver works the
release handle. Then the window can
be eased up.
The cab is pressurized during fir-
ing, so good door seals are a must. If
the seals are dry, brittle or damaged,
rocket exhaust can get inside the cab.
Report bad seals to your mechanic for
replacement.
If you get a built-in-test (BIT) light
failure warning on the weapons panel,
don’t give up. It could be a minor
glitch, so shut down the system, then
power back up. If the BIT light comes
on again, let your mechanic know.
Cab lock-down bolts can bind, so
keep the threads clean and oiled. Make
sure you don’t cross thread them.
Reverse the final drive sprockets
when they wear down to the wear
circle. If the sprocket wears too far
past the circle, it’ll start hooking the
track shoes, causing damage and fail-
ure. When both sides of the sprocket
Turn
SUSPENSION
LOCKOUT
switch to
ENGAGED
Exercise the suspension lockout
(SLO) system weekly to prevent dried
out seals and hydraulic leaks. Here’s
how:
1.
Turn on vehicle power.
2.
Flip the SUSPENSION LOCKOUT
switch to ENGAGED. The UN-
LOCKED light will come on.
fi
fi
fi
fi
fi
fi
fi
fi
va-va-
voom!
i feel
great
!
...
good pm
is
better
than
a bottle of
viagra
!
take it from
springfield j.
chicken
...
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