PS Magazine - TB 43-PS-480

PS, The Preventative Maintenance Monthly

ISSUE 480

NOVEMBER 1992
PS Magazine - TB 43-PS-480 - Page 9 of 46
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P
aying atteNtion to sprocket weaR maRkS oR uSiNg a Sp±ocket weaR gauge IS the
key to doubling Sp±ocket lifE on 109s aNd 992S.
Built-In Sp±ocket wea± ma±kS mAke it eaSy to tell when it'S tIme to Reve±Se the
sP±oCket so the otheR Side of the teeth caN ²e us³d´ WheN ²oth Sidµs aRe woRN to
the ma±ks, you Replace the sp±ocket¶
Fo± Sp±ockets that doL)·t haVe wea± ma±kS, use the gauge¸ The weaR gauge hAs fou±
measuRementS ca¹led out oN ºtS su±»ace¶ USe
only the ¼aSt one½1/2 iNch¾
WheN wea±
±eacheS 1¿2 iNchÀ Reve±se the SpRoCket¶ ÁgaInÂ
when both sÃdeS aRe woÄ, Rep¹ace the sp±OketÅ
ÆM 9-2350-311Ç1È aNd ÉM 9-23Ê0-267-
10 reqËiR³ month¹y sp±ocket weaR checksÌ
ÍM9Î2350-31ÏÐ20-1aNdÍM9Ç2350-26Ñ-20
±eQui±e aNNual wea± cheCksÒ
If
yoË donÓt make the checkS aNd ReÔeÕse
the Sp±ockets wheN INdicated by wea± maRk o±
weaR gauge, the Sp±ocketS wea± too »ÖR iNto
one SIde of the teeth× Éhat causes the sp±ocket
to "hookØ t±ack eNd coNnecto±Ù du±iNg opeRaÚ
tion× Ûhe conNectoRs aRe damagedÀ
tRack Üife is Reduced aNd
Sp±oÝkets aRe ²±okenÒ
Do you± jo² and
keep an eye on the
sp±oÝketSÞ
iF
they
a±e ±eveÕSed in
timeÀ you'¼¹ get a
full ¹ißµtime oß weaR
»±om themà
Sprocket weaR gauGe
NSN 4910²0³´µ7344
¶·
1¸
nOV¹2
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