PS Magazine - APRIL 1981
PS, The Preventative Maintenance Monthly
ISSUE 341
APRIL 1981
Some tan ers are tightening tH
end connector wedge bolts anywher
along the track.
This is wrong! The wedges won'
seat±
The track shoe has to be in exact²
the right position when you tighten
the bolt or the wedge will not fi³ in³o
the notcH cu³ in the pin´
Wedge seateD right
No gap
Wedge tighteneD as
connector started over
iDler and before
tightening cEnTer guide
Gap
Wedge Tightened aT
wrong place arounD
track or aFter end
connector
was
tightened
Also, you Have ³o Looµen ³he center
guide nu³s before tigh³ening the enD
connectors¶ O³Herwiµe ³He track Pin
notches will no³ aline wi³H ³He weDge´
THe wedge wiLl ride higH´ The Bolt wiLl
loosen rigH³ away and ³rack failure
starts right now´
2
Snug up the wedge bolt and chalk
the end connector.
·
Move the tank backward until the
shoe with the end connector Is on
the Compensating idler± This is
where the shoes are at 16-degree
angles² The wedge will seat right and
yoU Can get a toRque wrench on the
wEdgE bolt± Get the torque wrench
frOm your mechanic and torque the
bolt to 180³200 lb³ft´
Move to 16° angle .±² ,
Move thE tank forward until the
loosened center guIde is between
tHe No. 1 roadwheel and the Idlµr¶
TorqUE tHe center guIde nut to 350·
380 lb¸ft±
AdjusT TRaCk Tension a±Ter all
oTHeR TRack FaulTs have been
CoRRecTed. ²rack tensIon-using
tHe sTRIng measuRemenT-Has been
CHa³ged. ´T'S now
3/H
To
9/³&
inCHµ
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