PS Magazine - FEBRUARY 1987
PS, The Preventative Maintenance Monthly
ISSUE 411
FEBRUARY 1987
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Keping thE chain tIght Enough-
but not too tight±is thE kEy to
good cutting and long chain and
guidE bar lifE. A loosE chain will
jump out of thE groovE and causE
thE chain to brEak. A too²tight chain
Robs cutTing powEr and causEs fast
wEar to thE bar³
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±²³´
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0
oO
Adjust tEnsion bEforE you sta´
whEn thE chain's cold. WEar glovEs
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Keep chaIn adjusted for good cUT
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to protEct your hands³
µith thE guidE bar nuts only fingEr¶tight, hold thE End of thE bar up and
·
turn thE adjusting scrEw until thE links on thE bottom just touch thE guidE
bar¸ Pull thE chain a¹ound by hand to bE surE it movEs frEEly. ºhEn pull
thE chain away from thE bar and lEt go a couplE of timEs to work out any
kinks³ MakE thE final tEnsion adjustmEnt likE so:
•
For a SprockEt (rollEr) nosE bar, thE chain should bE snug±yEt still
movE without any binding±whEn pullEd around thE bar³
•
For solid (hard) nosE bars, thE chain should sag Enough so you can
gEt a dimE bEtwEEn thE links and thE botto» of thE bar.
¼EplacE a worn drivE sprockEt whEn you rEplacE thE chain³ A bad
sprockEt wEars ½ut a nEw chain. µash a nEw chain with solvENt, thEn
soak it in oil bEforE usE³
GivE a nEw chain a fEw Extr¾ ¿1ots of oil with thE thu»b oilEr aftEr you
put it on³ Àf your saw has an automatic oilEr, add a littlE Extra oil to thE
chain bEforE you staÁÂ cutting³ A wEllÃoilEd chain thRows a littlE oil whEn
you rEv up thE saw tO cutting spEEd.
ChEck a nEw chain's tEnsion aftEr
a fEw »inUtEs Äutting³ Àt'll strEtch with
usE³ LEt thE chain coolÅ thEn rEadjust
thE tEnsion³
A worn bar can ruin a nEw chain
quick¶likE³ ChEck itÆ for wEar bEforE
you put on a nEw chain³
InlO iL< !N®D
Don't sparE thE chain oil! ÇsE thE
thu»b oilEr (if youÈ saw has oNE)
whilE you'rE cutÉing³ Don't wait until
thE 9hain starts squEaking and thE
bar turns bluE from hEat³
Àf your saw has a spRockEt¶tip bar,
usE a nEEdlE²nosE adaptEr,
±S±
4930-00²200-1841,
on your grEasE
gun to lubE thE sprockEt. ÊrEasE
again EvEry timE you rEfuElË
fFB³T
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´ube roµµer tIp
...
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