Troubleshooting – Marshalltown PC3000T Tectonic Plate Compactor Owner's Manual User Manual
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TROUBLESHOOTING
Engine will not start/or runs irregularly
Out of gasoline
Fill gas tank.
No spark.
Check for broken wires.
Spark plug fouled.
Replace and set gap to .030 on Honda engines.
Air cleaner clogged.
Clean air filter. Follow procedure outlined in “Maintenance” section of this
manual.
Carburetor improperly adjusted.
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.
Plate Does Not Vibrate at Full Speed
Too much oil in eccentric housing.
Check oil level as specified in "Maintenance" section of this manual.
Loose belt.
Adjust belt tension as in "Maintenance" section of this manual.
Engine is not at 3400 rpm
Dirt in carburetor.
Clean carburetor and adjust (see "Carburetor out of Adjustment").
Governor out of adjustment
Adjust governor.
Clutch is Hot
Foreign object lodged against eccentric
sheave.
Clean obstruction. CAUTION: Make sure unit is shut off and spark plug
wire disconnected.
Too much oil in eccentric housing.
Check oil level as specified in "Maintenance" section of this manual.
Clutch slipped.
Engine below 3400 rpm. Adjust (see "Carburetor out of Adjustment").
Engine Runs but Plate Does Not Vibrate
Broken belt
Replace.
Broken or worn out clutch.
Replace.
No key on engine shaft.
Assemble key to shaft and clutch hub. See "Maintenance" and "Offset
Eccentric Sheave" sections of this manual.
Eccentric seized.
Check to see if it is free turning. If not, disassemble. Wear on shaft and
inner race of bearing is normal.
Unit Vibrates When Throttle is in Idle
Engine idles too fast.
Free up throttle linkage. Adjust idle speed as in “Carburetor improperly
adjusted”
Defective clutch.
Check for bad parts and replace if necessary.
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