PS Magazine - SEPTEMBER 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 250
SEPTEMBER 1973
Take the gleam out of your eyE, man.
No Hot Rodder ever made it with the
Model 40±A Road grader.
The
bRaking
system
can't
stand
tHe
gaff.
TheR²'re only 2 wheel cylindeRs to stop
the 26,500-lb baby. ³Hey´re on the middle
NEW MIDDLE TIR S
.
MIXED WITH OLD
t
REAR ONES COUlD
BE MURDER
Slamµing
on
the
bRakes
at
a
high
speed can cause failures.
So, be nice. Keep the spe²d down.
´Course, the brak²s can fail from other
bad treatm¶nt, too.
·heck especially for uneven tires on all
the tandem wheels.
New middle tires with old R²aR ones
can be murder¸¹
Braking with 'em ºLifts the reaR wheels
oFf tHe gRound, then down again.
TH²
chatteR here shocks, loosens or sHears ofF
tH² backing plat² mounting bolts»
WitH no bolts the backing plate turns
witH the wh²²l pulling tHe brake hose in
³Hat means no bRakes, man!
CAT 120 GRADER
GlVE YOR Se
Dear Editor,
Battery servicing on a Cat 120 grader is more likely to get done
when it's made easier.
a
simple seat suppoR does the
trick± It's just a 21²-in length of
O³in steel rod±
You bend it 90
degrees an inch or so from the
en´ Stick that end into the hole
already in the seat's bottom
frame± When the seat's tipped
Forward for battery servicing,
Position the rod so it keeps the
seat µrward.
·
When you're through using the prop, swing it A¶ound unde¶
the seat and let the seat back down±
But the seat should be kept propped fo¶wArd when you'¶e Not
operating· Then rain, dew And snow won't sit on it And ¶o¸ th¹
ºushion»
BEND 90° HERE
sP5 John ±und²trum
5³3d engr co
´Pµ ¶·w York ³¸154
-±²³´µ
2¹º -»¼½¾¿ÀÁ
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