PS Magazine - TB 43-PS-722
PS, The Preventative Maintenance Monthly
ISSUE 722
JANUARY 2013
14
PS 722
JAN 13
PLS Trailer Wheel Rims Have 12 or 14 Bolts
By now, your unit’s M1076 PLS trailers should no longer have 10-bolt wheel rims.
That’s true if MWO 9-2330-385-20-1,
Installation Instructions for Bolt Together Wheels,
has been applied. The MWO describes a 12-bolt rim (Titan wheel), but a 14-bolt rim
(Accuride wheel) will work fine, too. Either wheel rim comes with NSN 2530-01-500-
4991 and can be mixed on the same trailer and axle.
PLS/HEMTT LHS…
Turn Hok Arm Pin ArOund
Operators, the refrigeration
condenser units in the multi-
temperature refrigerated
container system (MTRCS) are
suffering a
lot
of
damage.
That’s because the
hook arm pin
on the
M10
7
4/A1 PLS and M1120/
A2/A4 HEMTT LHS can
move freely in the arm.
When the pin
faces
backwards
away
from the arm,
it
punctures
the
condenser as
the hook arm
lifts the MTRCS
for transport.
So
before
attaching the hook
arm to an MTRCS
bale bar, make sure
the pin is facing the
right direction.
The pin should be
flush
with the hook
arm, not protruding
from the hook arm’s
frame.
When that
happens, the
refrigeration
system
literally
loses its cool!
If pin is facing
backwards…
…when hook arm
lifts MTRCS…
…the condenser
is damaged
Pin should
be flush with
hook arm
don’t worrY!
he’ll pick you
up as SoOn as
he drops ME
OfF!
not if he
doesn’T move
that hOok
arm pin, He
won’t!
722 14-15.indd
1-2
11/26/12
5:47 PM
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