PS Magazine - MARCH 1974
PS, The Preventative Maintenance Monthly
ISSUE 256
MARCH 1974
they cause cracked and
.
gouged stud holes
.
±
.
·
they bust and strip
sTuds anD nUts±
You
s²rip
threadS
when you put too muCh
toRque on ²hose stud³
and lug nuts´
µo Check your Wheel
mounts often to make
·
sure the¶'re tight-But
not too tight¸
lf4·ton trucks,
TM
218-series
%-ton trucks,
TM
9-8030
1±²ton trucks,
TM
2³2-series
J4´ton trucks,
TM
2³³-series
2µ¶´ton trucks,
TM
2¸9-series
5²ton trucks,
TM
211-series
5²ton trucks,
TM
230-series
5²ton trucks,
TM
260²series
l
¹²ton trucks,
tM
206-seRies
AmounT oF ºorque
80-110 Lb-»t
2¹0-22¼ Lb-»t
80 ½b-Ft
2¼0-300 ½b-¾
³¹¹-³¼0 Lb¿»t
³00-¼0¹ Lb-»t
2¼0À270 Lb-Ft
³¼0-¼¹0 Lb-»t
300-350 Lb²»t
A
trailer Will usually have tHe same
t¹pe wheels (and torque value For wheel
mounting) as the trºCk pulling it»
¼hen mounting tires, look Close For bent½ broken, or stripped studs, bent or dented
rims, stud holes Worn too large, airdrop eyes broken½ or loose jam nuts±
If you replace a lost, stripped or broken lug nut, get the nut Called For by your ve¾
hiCle¿s parts manualÀ Just beCause a nut Will screW on the stud doesnÁt mean Ât Will
hold the wheel on tight± ¼rong lug nuts Will gouge the ball seat and Can let the
Wheels work loose±
Make sure the nuts have a metalÃtoÄmetal tight seat by WireÅbrushÂNg the sÆuds to
get dirt and rust oÇ the threads± Èo the same to those rimÉtoÊrim mating surFaCes
on duals to get riD oF loose paint½ dÂrt and rust±
NEVER tIGHteN
INneR nUt
WhiLE OUTeR
NUt IS TIGH±
On ²ruCks With dual Wheels½ loosen the
outer Wheel nut beFoRe you torque the
inner WheeL nutÀ Ëhen ÌolloW through and
torque the outer mountÂng nutÍ Îever try
to torque the inner nut While the outer
d
one ÂÏ tightÀ
Ðinally, alternate When you tighten the
nuts Ïo that the studs Will be CentereD in
Ñhe holes±
27
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