Maintenance, replacement, or repair of the emission control device and systems may be performed by any
non-road engine repair establishment or individual.
US-14
PSZ2460S
■
OILING PORT
Dismount the guide bar and check the
oiling port for clogging. (MA1)
(1) Oiling port
■
GUIDE BAR
Remove sawdust in the bar groove and
the oiling port. (MA2)
(1) Groove
(2) Oiling port
(Type: Sprocket nose)
Grease the nose sprocket from the
feeding port on the tip of the bar. (MA3)
(1) Grease port
(2) Sprocket
■
OTHERS
Check for fuel leakage and loose
fastenings or damage to major parts,
especially housing joints and guide bar
mounting. If any defects are found, make
sure to have them repaired before
operating again.
■
SPROCKET
Check for extensive wear, and replace it
when the teeth are worn over 0.3mm.
(MA4)
(1) Sprocket
■
GUIDE BAR
The bar rail should always be a square.
Check for wear of the bar rail. Apply a
ruler to the bar and the outside of a cutter.
If a gap is observed between them, the
rail is normal. Otherwise, the bar rail is
worn. Such a bar needs to be corrected or
replaced.(MA5)
(1) Ruler
(2) Gap
(3) No gap
(4) Chain tilts
9. Maintenance
Every
Every
Every
25
50
100
System/compornent
Procedure
Before
hours
hours
hours
note
use
after
after
after
fuel leaks, fuel spillage
wipe out
✔
fuel tank, air filter, fuel filter
inspect/clean
✔
✔
replace, if necessary
see
■
ADJUSTING
replace carburetor
idle adjusting screw
✔
IDLING SPEED (p.13)
if necessary
clean and readjust
GAP: .025in(0.6~0.7 mm)
spark plug
✔
electrode gap
replace, if necessary
cylinder fins, intake air cooling vent
clean
✔
muffler, spark arrester,
clean,
✔
cylinder exhaust port
remove piled up carbon
throttle lever, ignition switch
check operation
✔
gear case
grease
✔
screws/nuts/bolts
tighten/replace
✔
✔
not adjusting screws
oiling port
clean
✔
guide bar
clean
✔
sprocket
inspect/replace
✔
saw chain
inspect/replace
✔
ENGINE
SHAFT
CUTTING UNIT
■
MAINTENANCE CHART
(1)
MA1
MA2
MA3
MA4
MA5