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4. MAINTENANCE
Out of gasoline.
No spark.
Spark plug fouled.
Air cleaner clogged.
Carburetor out of adjustment.
Too much oil in eccentric housing.
Loose belt.
Fill gas tank.
Check for broken wires.
Replace and set gap to .025 on
Robin; .030 on B&S and Honda
engines.
Clean air filter. Follow procedure
outlined in "Maintenance" section
of this manual.
Close needle valve.
Open 1-1/2 turns.
With engine running under full load
and compactor on an old tire, close
the valve until the engine starts to
loose speed. Then open until
smooth operation is obtained.
To adjust idle speed, push throttle
against idle stop and adjust screw
until an idle of 1700 rpm is obtained.
If clutch engages, lower idle speed.
CLUTCH MUST NOT ENGAGE.
Check oil level as specified in
"Maintenance" section of this
manual.
Adjust belt tension as in
"Maintenance" section of this
manual.
4.8 TROUBLESHOOTING
POSSIBLE CAUSE REMEDYPROBLEM
Engine Will Not Start/or Runs
Irregular
Plate Does Not Vibrate at Full
Speed
S-20, S-28 5800 vpm
S-38, S-52 5400 vpm
S-66 4500 vpm
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