PS Magazine - JANUARY 1981
PS, The Preventative Maintenance Monthly
ISSUE 338
JANUARY 1981
M880-Series 4x4 Trucks .
.±
Front Spring U-bOlt Torque
>MIGHT SAY hE's a
ViCt±m OF 1²Lo³´):
1
µ¶RQUe/
So check the U-bolt on both sides o
the truck, but especially on the Left
A loose froNt spring U-boLt will Let side. ±ook for shiny metaL or signs of
the spring sLide on the axLe. It could shifting. Check the ²eat for splits and
sLide far eno³gh to shear off the center cracks. If the seat is spLit, DS'lL weLd it
boLt. TheR there's nothing to center or replace the axLe.
tHe spring on the axLe´a dangerous
situation.
Keep the U-boLts tight. Torque 'em
to 1µ0 lB-ft. This torque is shown for
¶-bolts under "Springs and Shock
AbsorBers· on pagE 1-5 in TM 9¸2320¹
266-20 (Jan 76). ºut pay No mind to
the torque for U-bolts shown for
»Ax¼es½ oN that page. It¾s wro¿g.
A loose spring will also let the ÀÁ
.±²
---
±
------
²
spring s¼apÂor hammerÂthe spriNg Ã
seat. This hammering or sLapping
action cÄN crack the spring seat.
_PaN ±L²G
TherE's
a
n·w N¸¹ fr
PLÅG, ÆrÇi¿,
IÈÉ
9,
º
i
g
³
»0
,
P
ag
e
2-¼, ½¾
9-23±0²
³6´²µ¶P.
'hI²
O
i
l
ÊÇn ËÌain ÊLÅÍ fÎr
M8·¶¸s¹Ries
ÏÐ/ÑÒÓn ÔÕÖ:×s nOW ØÙÚÛÜs
uÝdÞß
¿ÀÁ
5º»¼¸00½8¾4¸1¿ÀÁÂ
ÂÃ
M880³Series 1 Vd
ÄÅ
TrUck´ .
.µ
³´wIµ¶ BRackE·s ¸¹¸'s
To hook up a toà bar Qn the froNt of
these 1á-ton trucks, yo³ ¿eed speciaL
Brackets.
Your uNit may have already made
up a set. If not, order âSâ 4910-01-
04ãä9ã91, the tow bracket for alL
M880åseries trucks. You'Ll need 4 Nuts
5310-00-732-0558, 4 screws 5305-00¸
269-3214 and 4 Lockwashers 5310¸00-
637¹9541 to mount 2 brackets to your
truck.
If you have a 4x2 modl, you'lL aLso
need 2 adapter pLates 4910-0æ-0ç7-
9ã90 and 4 more screws, nuts aNd
lockwashers.
Use the brackets (for 4x4 trucks) or
the brackets and pLates (for 4x2
tr³cks) with tow bar âSâ 4910-00è
735-6056 oN your 5-ton wrecker. ér
get tow bar âSâ 4910-00-433-7094
ê
that incl³ëes the brackìts and pLates.
ÂÂ
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