PS Magazine - TB 43-PS-445
PS, The Preventative Maintenance Monthly
ISSUE 445
DECEMBER 1989
Small EmplaceMent ±xcAvAtor
.²³
hose steel lines on The boom lifT
cylinder on your SEE take a real beaTin'
when you use the Font loader to load
a dump Truck. ±he lines are on the
bottom of th² cylind²r. Ev²ry Tim² you
get The load close to The Truck, The lines
hiT the side. ConstanT Banging cRushes
the lines. ±Hen They leak or bursT dur-
ing operation.
YoU can fix that by tU³ing the cylin-
der over so The lines are on top.
NIRlwS HOW
1
.
Park THe SEE on a Hard, level
surface.
I
´
µaise Th² BuckeT about
30
inches
ANd s²t a jack stand at the inside of ¶ach
sid² of the lower Boom crossm²mBer·
J
±
¸ow lower the lower boom
crossmemB²r on tHe jack stands.
5´
4
²
¹s Th² buckeT slowly uncurls,
keep an eye on THe jacks. You wanT
tHe crossmembeº To resT sa»ly o¼ boTH
sTands.
5
ShuT down The engine.
6
0
µelieve The pressure on The Hoses
using the conTrol levers In THe cab ½r
The boom and BuckeT ¾ylinders.
j
µemove The clamps Holding
The fOur Hydraulic Hoses Betw¶en
the le¿T and rigHT loader booms.
"•
Àemove THe reTaining bolT on
the lefT boom lifT cylinder (not tHe
rod end) wHicH Holds The cylinder
DµC 89
Loosen th² ¹ and
B
port
swIvel nuts aT the
¶0
degr²² elBows
(sTeel lin² ²nd). JusTloosenÁon'T
Take Âem oÃ!
The cylinder wHile your
buddy pulls ouT THe cylinder pin.
Uf³
µotaTe The cylinder
1·0
d²gr²²s.
ÄHis puts THe sTeel lin²s on Top oÅ The
cylinder.
´µ
¶
Æut th² cylinder reTaining pin bacK
in, Then the retaining bolT.
±
ÇÈighten The Two elbow ÅiTTIngs.
Make sure the elbows are equally
spaced Between the lower parT of boom
and the boom lift cylinder.
1
4
.
Make sure tHe hoses are not
kinKed or inTerfering wItH the boom.
15²
Èighten down the hose clamps.
Éne side is done. Do The same Thing
½r Th² oTher side.
¸ow sTarT tHe engine and check ½r
hydraulic leaks. Éperat² The boom to
make sure you have enough cl²arance
when you dump a load into a truck.
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