PS Magazine - TB 43-PS-611
PS, The Preventative Maintenance Monthly
ISSUE 611
OCTOBER 2003
T
hat old enemy, vibration, is at it again. This time, it’s attacking the engine oil dip-
stick tube on MLRS carriers that aren’t equipped with a special bracket.
Shaking and vibration whip the long neck of the dipstick tube back and forth.
Enough of this can crack the tube. Oil escapes and drips on the exhaust manifold.
If your carrier is unprotected, have DS clamp the top of the dipstick in place with
these parts:
The clip and bracket stop the whipping motion by
supporting the top of the tube. No more cracks!
Installation procedures start on Page 3-236.1 of TM
9-2815-219-34. The parts are listed in Fig 32 of TM 9-
1450-646-24P.
PS 611
OCT 03
9
Personnel Heaters…
T
he new A-20 Global is a rugged and hard-working personnel heater. But it can still
be damaged if you don’t treat it right, mechanics.
In particular, you need to pull on the
kid gloves when removing the heater
from a vehicle. It may seem like a good
idea to wedge a crowbar or metal pipe
between the exhaust flange and the
exhaust pipe to pry the heater loose. But
you’ll end up damaging the exhaust
flange and heat exchanger.
Those parts aren’t replaceable items,
so your unit ends up paying for a new
heater—to the tune of more than $3,200!
When removing a heater, first make sure the exhaust clamp is removed. Then
slowly move the heater back and forth until the exhaust flange pulls loose from the
exhaust pipe.
Before you send an A-20
heater to support or depot
for repairs, make sure you
package it carefully. Proper
packaging will ensure the
heater arrives with no extra
damage that could cost your
unit even more money.
MLRS Carrier…
Stop the Crack Attack!
DS installs dipstick
tube brace
th-this r-r-
road i-is
luh-
lousy!
h-h-how
c-c-come yuh-
you’re n-not c-
c-concerned?
I g-g-got a
s-s-suport
for muh-my
engine o-oil
d-dipstick!
Using crowbar will damage
exhaust flange
Improperly
packaged
heaters,
like these,
arrive with
extra
damage
hey!!
keep that
thing away
from me!
128964*
Part
NSN/PN
Clip
Bracket
Cap screw
*Order using part number and CAGE 15434.
a
Part
NSN/PN
Nut
Flat
washer
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