PS Magazine - SEPTEMBER 1976
PS, The Preventative Maintenance Monthly
ISSUE 286
SEPTEMBER 1976
TRAVERSING PEDAL-This pedal is
.!±;²³c´
:µ¶-·¸
¹
º»¼½¾¿ÀÁÂÃÄ
a±ways arme² and ²angerous. Whe³
you step on the peda± ´he cab wil±
ro´ate i³sta³´ly whether you rea±ly
want i´ ´o or no´. As ±o³g as ´he driver
has tHe hy²raUlic pump PTO swi´ch
in the ON posi´io³ (³ormal ²uring
wi³ching an² cab opera´ions) the
Hy²raulic pump is worki³g. If you
step on the pedal by accide³t you
.±
_
²³,´
µ¶·¸
ca³ chew up equipme³´ orµeve³
worseµpeople.
PRESS¶RE SELEC·OR VALVESµA±±
3 pressure se±ec´or va¸ves (´ow
winch b¹ake a³² boom winch brake
i³ ´he opera´or's area a³d ´he
t¹
º»
´raverse brake i³ ´he riº»er's area)
shoul² be presse² a±l the way I¼ for
normal operatio³s. ·he selector
¼
_;½¾-
valve knobs are pu±±ed O¶· o³ly
²u¹ing emerge³cy opera´io³ i³
which ´he hydraulic raM ha³d pum½
¾³ the cra³e opera´or¿s compar´me³´
is usedÀ (A´ leas´ o³ce every 6
mo³ths check ou´ al± selec´or va¸ves
by usi³g ´hem i³ ´he ha³d pump
poÁi´io³. ÂF you ÃÄrge´ ´o do ´his ´Åey
could Æorrode so you cou±²³¿´ use
them i³ a reÇl eÈerge³cy.)
ÉOWERING TÊE BOO˵Eve³ if you
have a hy²raulic or e³gi³e failure,
you ca³ s´Ì¸l ¸ower ´he boomÍ A¸l you
have to ²o is take off ´he access
cover un²er the rigger's sea´ a³²
tur³ ´he boom cy¸i³²er bypass va±ve
Han²Îe 90°to ´he ¸oweri³g posi´io³.
BÏÏË Ð¼ÑÒÓÔorgÕÖ ×ØoÙÖ ÚÅÕ ÒÂ
o½Õra´i³º ½ÛÜi´Ýo³. YoÙ arÕ ØÕ´´ÕÞ oßß
àÕaáݳº ÝÖ i³ âÏ Øã´ä ßår ½×æݳº ÛÙÖ
ÖÅe çaØ¸Õ ×³d ßÛè wi³çÅi³º iÖ Ý³.
ËaKÕ Ü½ÕçÝa¸¸æ ÜÙre Ý´ ÝÜ i³ âÏ ØÕéêrÕ
ëoãki³º ÖÅe eæelÕÖ. ìÕaÜo³? íhÕ
çra³Õ o½era´or ÅaÜ Øî´´er co³´rÛ¸
´ÅaÖ waæ a³d ´he riººÕï iÜ leÜÜ ¸iðe¸æ
Öo maÜh Åis hñ³d be´wÕÕ³ ´he ØoÛm
hooK a³d ÖhÕ Åu¸± eæeleÖò
·
GAS PAR·IC¶LAóô õILTEìµIf your
vehicle is equippe² with ´he gas
par´icu¸a´e fi¸ter, check ´he hoses for
·-±.²
ho¸es a³d ´he fi¸´ers for flat or wor³
ÅÆÇ
I
sea¸s tha´ woö¿´ keep ´he air from
passi³g ´Hrough ´he ce³ter of the
fi¸´er as it shoul²÷ Âf you ³eed
replacemønt fil´ers or airf±ow tester
NS¼ 6680ù00ú436û4212, get i³
´ouch wi´h your ou´fit's CBR ma³ü IF
your vehic¸e iÜ ³ot equippe² wi´h ´he
gas par´icula´e fi¸´er, ge´ your
support ´o app¸ý ËWO 9þ2350û238ú
30/2.
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