Operator`s manual

SERVICE AND ADJUSTMENTS
CHAIN REPLACEMENT (Fig_.36, 37, 38 & 39)
CAUTION: Wear protective gloves when
handling chain.The chain is sharp and can cut
you even when it Is not moving.
It is normal for a new chain to stretch.Because
of this initial stretch during the first 15-30
minutes of operation you should recheck your
chain tension frequently and adjust the chain
tension as required. See chaintension section.
Move on/stop switch to the "Stop" position.
Replacegle old chain when it becomes wornor damaged.
• Use only.the low-Kickback replacement chain specified in
the repair parts list or as specified on the replacement bar
and chain decal located on the chain saw.
• See your Sears Service Center to replace and sharpen indi-
vidual cutters for matching your chain.
• Loosen and remove the 2 bar clamp nuts.
• Remove bar clamp.
• Remove theold chain.
i Turn adjusting screw byhand oeunterclodoNiseuntil adjusting
pin ust touches the stop.
Slide guide bar behind dutch drum until guide bar stops
against clutch drum sprocket.
• Carefullyremovenew chain from package. Hold chain with the
ddve linksas shownin F_ure 37.
Placechainoverand behindthe clutch.
Fit bottomofdrivelinksbetweenteeth insprocketnose.
Fitchaindrivelinksintotopofguide bar.Figure38.
Bar Clam[
Nuts
Figure36
O_"=wCutters Depth Gauge ]l
Figure37
Pullguidebarforward untilchainis snug inguidebar grooves.
Now,installbar damp making sure _e adjustingpin is posi-
tionedinthe lower holeintheguidebar.
Bar Clamp
Adjusting ..-/ Lower Hole
\.......Pin J'/ Guide Bar
Figure38
• Install bar clamp nuts and fingertightenonly.Do not fightan
anyfurther at this point.
• Nowproceedtothe"Chain Adjustmenf'seclJon.
CRRFTSMRN"
'Bar Clamp Nuts
F'_ure39
CHAIN ADJUSTMENT (Fig. 40, 41, 42 & 43) . .
• Roll chain around guide bar to ensure kinks do no[ exist
(rotates freoly).
Assure bar clamp nuts are loosened(finger tight).
Turn adjustingscrew clockwise until chain just _rely touches
the bottom of guidebar.
• Rollchainaroundguidebartoensurealllinksarein bar groove.
Bar Clamp Nuts Guide Bar
Figure 40
i Uft uptip ofguidebartocheokforsag, releasetip ofguidebar,
then turnadjustingscrew 1/4 turnclo_wise. Repeat _is step
untila sag doesnotexist.
While I_ng tip of guidebar,tightenbar clamp nutswith the bar
tool (provided).Torque 10-15ft-lbs.
AdjustingScrew
Bar Tool_
/
Figure 41
TO CHECK CHAINTENSION:
• Use the screwdriverend ofthe bar tool to move chain around
the guidebar (Figure43).
• If chain does not rotate,it is too tight - slightlyloosen bar
clamp nutsand turn adjustingscrew 1/4 turn countemlock-
wise.Retightenbar clampnuts.
If chain is tooloose,itwillsag below _e guidebar (Figure42).
Figure 42
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