PS Magazine - JUNE 1986
PS, The Preventative Maintenance Monthly
ISSUE 403
JUNE 1986
Tactical Wheeled Vehicles .
.±
For Most Wheeled VeHicles .
.±
Drivers, you're flirtin' with disaster when you ignore danger signs in your
vehicle's hydrauLic brake system-like the feeL of the brake pedal.
When you mash the brake pedal
down, it shouLd drop under the weight
of your foot for the first
Y
inch or so±
That's caLled free traveL, and it varies
from vehicle to vehicLe±
Easy (free travel)
Then
"
iI
firm
(braking)
no
further
FOR . frM
²n
WV NEe
A
,1±m B²AK
l³´aLµ
BoingL
Bad? Report ±tL
42
If your brakes grab as soon as you
touch the pedaL, the brake shoes are
probably dragging on the brake drum
and wearing out the L²ning±
If the pedal sinks all the way to the
fLoor³or close to it´after you've
used up the free travelµ you're in for
trouble± The hydRauLic system's
probably low on fluid± Or there's air
in the hydrauLic Lines±
¶
spongy fEeling when you press
on the brake pedaL is bad, too±
Chances are there's air trapped in the
hydraulic system or a weak brake
hose that's balLooning under hy¶
·
draulic pressure±
W-h²u²f-f
u!NkS
JUn· 86
² ³³ but the CUCv is DiffeRent
Brakes are different on CU CV's. When you push and hold pressure on the
brake pedal, the pedaL gradua±ly sinks to the floor² This is normA±²
³s long as the brakes stop the vehicle within a safe stopping distance-
and there´s no grabbing or pu±±ingµyour brAkes Are OK.
The brakes should take hold after you push the pedAl down about
I
to
i
y
inches²
The word on this is in T³CO M Msg
07 I 330Z
¶ar
¸¹º
For
AL´ vehIc´es
-µ¶·¸¹º
³ny time you notice A prob±em
with your ·rake syste¸¹ get your
mechanic to check it outº Re»
member, once you get your vehicle
moving¼ there's notHing you cAn do
to stop½quickly anD safe±yµif your
brakes don't wo¾k² ¿on't tAke any
chances! ³nd don't delAy! If you DÀoÁ
you're gam·±ing with your life And
the lives of others.
M809-³ErIE´ 5µ¶o· TRUcKs .
.¸
¹Oº» LJf
»S »¼
'¼½¾
H½¾Ds¿
ÀÁPoÂT bÃk tÄÅ ÆÇ
¿ÀÁÂ vÃ
ÈÉÊË
24Ä
Keep Your T±rEs Up!
-±²
DeaR-Half-Mast,
Table 1±4 of TM 2320±260±
10 says the highway pRessuRe
foR the fRont tiRes on my
M813A 1 5±ton tRuck is 80 PSI
foR the fRont and 50 PSI foR the
ReaR tiRes. The data plate in
the tRucks calls foR 85 PSI²
What's Right?
S³C D²E²C²
jUn· 86
ÌÍ
Dear Sargeanl D.
£ C ÎÏ
The pressures /isled in !he
-ÐÑ
TM-80 PSI rear±are correc1²
This updates 1he infO on the da1a
p/a1e³
0
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