17
MAINTENANCE
WARNING: Dis connect the spark
plug before performing maintenance except
for carburetor adjustments.
HELPFUL TIP
IMPORTANT: Have all
repairs other than the rec-
ommended maintenance
described in theins truction
manual performed by an
authorized service dealer.
If any dealer other than an authorized
service dealer performs work on the
product, Poulan PRO may not pay for
repairs under warranty. It is your re-
sponsibility to maintain and perform
general maintenance.

CHECK FOR LOOSE

FASTENERSAND PARTS

SSpark Plug Boot
SAir Filter
SHousing Screws
SAssist Handle Screw
SDebris Shield

CHECK FOR DAMAGED OR

WORN PARTS

Contact an authorized service dealer for re-
placement of damaged or worn parts.
SON/STOP Switch -- Ensure ON/STOP
switch functions properly by pushing and
releasing the switch. Make sure engine
stops. Wait5 s econds before attempting to
restart unit to allow switch to reset. Restart
engineand c ontinue.
SFuel tank -- Discontinue use of unit if fuel
tank shows signs of damage or leaks.
SOiltank -- Discontinue us e of unit if oil tank
shows signs of damage or leaks.
SDebrisshield --Discont inue use of unit if de-
bris shield is damaged.

INSPECTAND CLEAN UNIT AND LA-

BELS

SAfter each use, inspect complete unit for
looseor damaged parts. Cleantheunit and
labelsusing a damp c loth with a mild deter-
gent.
SWipeoff unit w ith a clean dry cloth.

CHECK CHAIN TENSION

WARNING: Wear protect ive gloves
whenhandling chain. Thechain is sharp and
cancut you ev en when it is not moving. Make
chainadjus tments with lower end supported.
Chain tension is very important. Chains
stretchduring use. Thisisespecially true dur-
ingthe first few times you use your pruner. Al-
ways check chain tension each time you use
andr efuel your unit.
1. Use the sc rewdriver end of the chain ad-
justment tool (bar tool) to move chain
around guide bar to ensure kinks do not
exist. The chain should rotate freely.
Chain Adjustment Tool
Guide
Bar
2. Loosen bar clamp nut until it is finger tight
against the bar clamp.
Bar clamp nut
AdjustingScrew
3. Turn adjusting sc rew clockwise until
chainsolidly contac ts bottomof guide bar
rail. Then, turn adjusting screw an addi-
tional 1/4 turn.
Adjusting Screw -- 1/4 Turn
4. Us ing bar tool, roll chain around guide bar
to ensure all links are in bar groove.
5. Lift up tip of guide bar to check forsag.
Releasetip of guide bar, then turn adjust-
ingscrew 1/4 t urn clockwise. Repeat until
sag does not exist.
6. While lifting tip of guide bar, tighten bar
clamp nut securely with the bar tool.
7. Use the screwdr iver 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 adjusting screw 1/4
turn counterclockwise. Retighten bar
clamp nut.
9. If chain is too loose, it will s ag below the
guide bar and needs to be tightened fol-
lowing above procedure.
WARNING : DO NOT operate the
prunerif the c hain is loose. Ifthepruner is oper-
atedwith a loose chain, the chain c ould jump off
the guide bar and result in serious injury.

CHECK CHAIN SHARPNESS

Asharp chain mak es wood chips. A dull chain
makes a sawdust powder and cuts slowly.
See CHAIN SHARPENING in the SERVICE
AND ADJUSTMENTSsection.

CLEAN AIR FILTER

A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation.