28
Exhaust Port Cleaning
.
Parts Required: As needed: Mufer Gasket
1. Remove air lter cover and remove spark plug lead.
2. Loosen chain tension, release chain brake, and remove two guide
bar nuts, clutch cover, guide bar, and chain.
3. Remove mufer cover screws and remove mufer cover. (See
“Guide Bar and Saw Chain – Install/Remove” in Instruction Manual
for detailed disassembly instructions.)
NOTE
Some units may have a metal shim (A) between the mufer cover
and clutch cover. Make sure shim is installed properly when reas-
sembling parts.
4. Place piston at top dead center.
5. Remove mufer nuts (B), washer sets (C), eyeplate (D), mufer
(E), and mufer gasket (F). Check parts for wear or damage, and
replace if necessary.
A
B
C
D
E
F
6. Use a wood or plastic scraping tool to clean deposits from cylinder
exhaust ports (G).
IMPORTANT
If mufer mounting studs loosened during mufer nut removal,
tighten studs using two nuts (H) tightened together on end of stud.
Turn outer nut clockwise, and tighten stud to 70 kgf • cm (7 N-m, 60
in • lbf). Do not exceed specications, otherwise stud damage may
occur. To remove nuts, hold inner nut, and turn outer nut counter
clockwise to remove, then turn inner nut counter clockwise to re-
move.
G
H
To Next Page
Loading...
Need help?
General
