1=Usethescrewdriverendofthe
chainadjustmenttool(bartool)to movechainaroundguidebarto ensurekinksdonotexistThe. chainshouldrotatefreely.
ChainAdjustmentTool
Guide
Bar
2= Loosen bar clamp nut until it is finger tight against the bar clamp.
Adjusting Screw | Bar clamp nut |
3= Turn adjusting screw clockwise until chain solidly contacts bottom of guide bar rail. Then, turn adjust- ing screw an additional 1/4 turn.
Adjusting Screw - 1/4 Turn
4.Using bar tool, roll chain around guide bar to ensure all links are in bar groove.
5.Lift up tip of guide bar to check for sag. Release tip of guide bar, then turn adjusting screw 1/4 turn clock-
wise. Repeat until sag does not exist.
6.While lifting tip of guide bar, tighten
bar clamp nut securely with tile bar tool.
7.Use the screwdriver end of the bar
tool to move chain around guide bar.
8.If chain does not rotate, it is too tight. Slightly loosen bar clamp nut and loosen chain by turning the ad- justing screw 1/4 turn counterclock- wise. Retighten bar clamp nut.
9.If chain is too loose, it will sag below the guide bar and needs to be tight- ened following above procedure.
_WARNING: | DO NOT operate the |
pruner if the chain is loose. If the prun- er is operated with a loose chain, the chain could jump off the guide bar and result in serious injury.
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A dull chain makes a sawdust powder
and cuts slowly. See CHAIN SHARP- ENING in the SERVICE AND ADJUST-
MENTS section.
BAR MAINTENANCE
If your pruner cuts to one side, has to be forced through the cut, or been run with an improper amount of bar lubri- cation it may be necessary to service your bar. A worn bar will damage your chain and make cutting difficult.
After each use, ensure ON/OFF switch is in the OFF position, then clean all saw-
dust from the guide bar and sprocket hole.
To maintain guide bar:
•Move ON/OFF switch to the OFF posi- tion and disconnect spark plug (or dis- connect powerhead from power source).
•Loosen and remove bar clamp nut and chain brake. Remove bar and
chain from pruner.
•Clean the oil holes and bar groove after each 5 hours of operation.
Remove Sawdust From Guide Bar Groove
\
OilHoles
•Burringofguide bar railsisa normal
process of rail wear. Remove these burrs with a flat file.
•When rail top is uneven, use a flat
file to restore square edges and sides.
| and Sides | I U | I |
File Rail Edges_r] | l | N | |
| Square | l | |
Worn Groove | Correct Groove | ||
Replace guide bar when the groove is worn, the guide bar is bent or cracked, or when excess heating or burring of the rails occurs. If replacement is nec- essary, use only the guide bar speci-
fied for your pruner in the repair parts list.
LUBRICATION
FillCap
•See GUIDE BAR AND CHAIN OiL un- der the OPERATION section.
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