PS Magazine - JULY 1978
PS, The Preventative Maintenance Monthly
ISSUE 308
JULY 1978
Look real c±ose for loose wheel lug
nuts. You may not be ab±e to turn a
loose nut with your fIngers, but if you
see Shiny meta± around a nut you
know it's loose. Torque front wHee±
nuts to 450-500 lbs²ft.
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³EAK´ AND DR±´µW¶t spots on
the ground u·der your t¸uck are
sIgnal¹ tO leaks. ´ame goes for wºt
places anywhere on your truck.
Could b» loose p±ugs .
.. blown seals
... cracked tubIng .
.. rotten ¼oses.
TB
43½0¾01-39¿À(Apr7Á)Â para 2Ã
16, gives you the runÄown on weeps,
seeps, leaks and drips.
³ikely ±eakers are t¼e sending unIt
and switch on Åhe bottom of the
transmissIon .Æ Çf they're wetµeÈthe¸
o·e of 'emÉget you¸ mechanic Ên it.
Ëave youÌ buddy check for
leaking Íydraulic cylindÎr oil Ïlines
w¼ile you run Ðhe dump body up. Get
leaks fÈxed before you load up.
ÑÒEÓÇÔGÕLook for slow or unÖ
steady ¼ydraulIc cylinder actIon. Çf
the oil in the ¸eservoȸ is ±ow×or If
air got into t¼e hydraulic systemØ
the cylInder may need bleedIng.
.
¹º»
¼
While you're working with the Ù
dump body have your buddy watch
½)
the hydraulIc reservoir sight gage. Út
I
should show full when the dump
body is down .Û. ÀÜto2 inches of oil
wÝen t¼e body is raised. Óon't run
lowÞyou'll have to bleed the
ß
¼ydrau±Ic system for sureà
Ëere's ¼ow to b±eed the cylinder
without getting hurt.
Raise the dump body hÈgh enough
to use t¼e safety strutsÛ ´et the
strutsÛ Get up onto the cab roof to
reach the bleed valve.
Use a open-end wrenc¼ to loosen
the bleed valveÛ Keep bleedáng until
you get a steady stream of oil.
Refill t¼e ¼ydraulic reservoir with
âE/ËÓâ ãäW oilÛ
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