PS Magazine - APRIL 1974
PS, The Preventative Maintenance Monthly
ISSUE 257
APRIL 1974
"
One of the signs is you break out iN a cold sweaT. Like when you mash down on the
brake peda± of your 2\-toN mu±tifuel truck, anD ²³² n´ Brakes
!_-.
Or your brakes lock oN and woN't let ±oose²
ingµ Service ¶rakes·
¸ut you¹re stil± jUºt GroPi»G ar´U»¼ if Y´u Don½t k¾´w h´w y´ur BrakE
systeM works¿
Àou wonder aHout s´me ÁeChaÂiú WÄe y´u hear ½eM Call the airÅ
hydrau±ic cyliÆDer a "ÇyDr´vaCȽ½ Éhat½º Wronʲ "Çydr´vacË is a trade
name for a vacuuMÌhyDrau±ic Cy±iÍderÎ À´Ur airÏhydraulic cylinDer
Works By air pressure Ðnot vacuuMÑ
KNOW
YOUR AIR
HyDrAULiC
CylinDEr
Éhose gUys sh´u±¼ Dig ´ut tÒeiR Go´D oÓÔ ÉÕ
9-8000
(Ja» 56)Ö ×ri»Ø
ciP±es of Automotive VehiñesÙ a»D s´aK uP tÄe P´op in Para 306, AirØ
OverÌÇydrau±ic ¶raKe SystemÚ
14
BY
FOl±Ow
THE
MAPS
SoMe of the brake trouble going arouNd is froM ±eakingÙ c±ogged or pinched lines²
ÛroNg hookups IN aNÜ of these liNes can drive you buggy, TooÈ Like, in oNe outFtÝ
they Fna±ly Fgured out the air veNt liNe was putting aÞr pressUre into the truckßs fuel taNà
Ðáecause of a wroNg hookup in the lIne.
Ûhenever you've got those ±iNes apart, MaKe âUre evey ConnectioN is put back whãäã
it½s supposed to be· åereære The Maçs
è
you »eeD to traCe th´ée ±ines a»d t´ pinçoint
C´¾»ecti´nº:
-
Hydraulic lines, Fig 213, page 289,
Ch
4, TM 9±2320±209²20.
-
Compressed air lines, pages 645
thru
650 (Fig 84 thru ³9),
TM
9±2320²
20´²20P
!Oc
72µ¶
·
-
Vent lines,
not yet
iN
yOur ±M's but here²s the
se¸Up¹
³5
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