PS Magazine - AUGUST 1981
PS, The Preventative Maintenance Monthly
ISSUE 345
AUGUST 1981
Eyeball the torque rod, the ball and
to the whole assembly. Get it good aNd
bushing, and the torque rod nut. Do
"i±fI.
this seMiannuaLly.
For 2\-tonners, tighten the torque
The torque rod nut is o²ten too
rod nut ²roM 175 to 200 lb-²t.
loose, causing excess play and daMage
³² the torque rod asseMb´y calls ²or a
Rubber:
check for
large cracKs
or missing
cotter Pin, Make sure it's there to keep
U!±•
the nut ²roM coMing ´oose.
Check the torque rod ²or cracks and
see i² itµs bent or twisted. Any o² these
²aults Make the torque rod unser¶
viceab´e·
ChecK rod
For cracks-
be sUre It's
Not beNt
or twisted
•
26
Eyeball the rubber on the Ball and
bushing¸ ³t should be resi´ient, Not
hard or Mushy· ¹arge cracks or chunks
o² rubber loose ²roM Metal call ²or a
new ball and bushing·
excess wear by putting stress on the torque rod in t
h
bushing area· Any
º
obvious play here and you need a new torQue rod asseMbly.
TM±211²Series
Pwer SteeRing switch
5³ToN TrUck.´´
-±²
The power seering
·
systeM
»
son your ¼39½series trucks are being replaced
by power steer¾g u¿ts that re standard on ¼809Àseries 5-ton trucks.
Á
ÂÃÄ
Åhe work is done by d
i
rect support,
µew power stee¶INg sys·em-
reservoI r sits oN top oF pump
which installs a power steering
conversion kitÆ Åhe change is easy to
spot. ÅHe new systeM has the ²luid
reservoir attacheÇ on tOp o² the power
steeriNg puMp.
Åill changes are Made in T¼ 9-
2320-2ÈÈ-20, use ż 9-2320-260É20
to Maintain and troubleshoot the
updated ¼39Êseries power steering
systeMs.
³7
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