Groove
Oil hole
(Clutch)
Sprocket 
Worn : 0.5 mm (0.02 in.)
GUIDE BAR
ss#LEANEBEFORE USINGO
-Clean the groove of the guide bar with a small screwdriver.
-Clean oil holes with a wire.
ss 2EVERSEEGUIDEEBARGPERIODICALLYA
ss#HECKESPROCKET AND THE CLUTCH ANDNCLEANTTHEEBARC mount area before installation of the bar. Replace either or both if worn.
SPROCKET
ss!!DAMAGEDMSPROCKET WILLPCAUSECPREMATUREW damage or wear of saw chain.
-When the sprocket has worn out 0.5 mm (0.02 in.) or more, replace it.
ss#HECKESPROCKET WHENOYOUKINSTALLWNEWECHAIN
Replace it if worn.
Cylinder fins
Muffler
Screen cover
Spark arrestor screen
CYLINDER FINS
ss #HECKEPERIODICALLYI
ss #LOGGEDGlNSEWILL RESULT IN POORLENGINE COOLING
ss2EMOVE DIRTEANDDDUST FROMABETWEENDlNSSTO LET cooling air pass easily.
MUFFLER SPARK ARRESTOR
ss2EMOVE AIR CLEANER COVER AND REMOVERSPARKO plug lead.
ss2EMOVE SPARK ARRESTORRSCREEN COVER AND SCREENS from muffler body.
ss#LEANECARBON DEPOSITSOFROM MUFmEROCOMPONENTSF ss 2EPLACELSCREEN IFSIT ISECRACKED OR HASTHOLESS
burned through.
ss !SSEMBLE COMPONENTSCIN REVERSE ORDERS
|
| NOTICE | |
|
| Carbon deposits in muffler will cause drop in | |
|
| engine output. Spark arrestor screen must be | |
|
| checked periodically. | |
Increase | Decrease | AUTOMATIC OILER | |
ss 4HEHDISCHARGESVOLUME OFGTHE AUTOMATICMOILEROIS | |||
|
| ||
|
| adjusted to 8 mL/min approximately at 7000 | |
|
| r/min, prior to shipment from factory. | |
|
| - To increase the delivery volume, turn the | |
|
| adjusting knob clockwise. | |
|
| When the knob touches stopper and stops, | |
|
| this position indicates maximum discharge | |
|
| volume. (15 mL/min at 7000 r/min) | |
|
| - Do not turn the adjusting knob beyond the | |
| Adjusting knob | maximum or minimum limit of volume | |
|
| adjustment. | |
| 26 |
