Troubleshooting Guide; Disposal - Zenoah G4501 Owner's Manual

G4501/G5201/G5201P
WARNING
• Be sure to round off the front edge to reduce the
chance of kickback or tie-strap breakage.
Make sure every cutter has the same length and edge
angles as illustrated.
Cutter length
■ Guide Bar
• Reverse the bar occasionally to prevent partial wear.
• The bar rail should always be square. Check for wear
of the bar rail. Apply a ruler to the bar and the outside

12. Troubleshooting Guide

Case 1. Starting failure
WARNING
• Make sure the icing prevention system is not working.
Check fuel for water
or substandard mix-
ture.
➡
C h e c k f o r e n g i n e
flooding.
➡
Check spark ignition.
Case 2. Lack of power/Poor acceleration/
Rough idling
Check fuel for water or
substandard mixture.
➡
Check air filter and
fuel filter for clog-
ging.
➡
Check carburetor for
inadequate adjust-
ment.
GB-14
01-G4501･5201･5201P_GB_306＿四.indd 14
Filing angle
Side plate angle
Top plate cutting angle
Replace with proper
➡
fuel.
Remove and dry the
spark plug.
➡
Then pull the starter
again with no choke.
Replace with a new
➡
plug.
Replace with proper
➡
fuel.
➡
Clean.
Readjust speed nee-
➡
dles.
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.
Ruler
Gap
No gap
WARNING
• This saw is equipped with one of the following low
kickback bar/chain combinations:
Model Guide bar
Type Part No.
G4501 18" Sprocket 364652114
nose
848CB58421
18" Hard nose
G5201/ 18" Sprocket 297652102
G5201P nose
18" Hard nose 848CB58421
Case 3. Oil does not come out
Check oil for substan-
➡
dard quality.
➡
Check oil passage
➡
and ports for clog-
ging.
If the unit seems to need further service, please consult
with an authorized service shop in your area.

13. Disposal

• When you dispose of the machine, do not disas-
semble the machine.
• When you dispose of the machine, fuel, chain oil,
be sure to follow your local regulations.
Chain tilts
Saw chain
Type Part No.
21BPX 848CC21B72-50
21BPX 848CC21B72-50
21BPX 848CC21B72-50
21BPX 848CC21B72-50
Replace.
Clean.
13.6.20 11:29:42 AM