TROUBLESHOOTING THE ENGINE
Table 3
PROBLEM
Engine fails to start.
Engine runs irregularly.
TROUBLESHOOTING THE MACHINE
Table 4
PROBLEM
Machine fails to vibrate.
Machine vibrates irregulary.
CAUSE
Spark plug is defective.
Air in the fuel system.
Fuel tank is empty.
Fuel Strainer is clogged.
Carburator is clogged.
Excessive fuel.
Fuel line sucks air.
Air cleaner is clogged.
Engine stalls during operation.
Low compression.
CAUSE
Incorrect setting RPM of engine.
Throttle cable is slack.
Centrifugal clutch is slipping.
Centrifugal clutch is slipping.
Coil spring is fatigued.
Excessive oil level in shaft case.
Improper oil viscosity in shaft case.
CORRECTION
Clean or replace.
Bleed air completely.
Refuel.
Clean or replace.
Clean or replace, if necessary.
Clean spark plug.
Retighten the fuel pipe joints and bleed air.
Clean air cleaner or replace element.
Clean fuel system and retighten the fuel pipe joints.
Replace head gasket or retighten spark plug.
CORRECTION
Adjust.
Adjust.
Overhaul or replace If necessary.
Overhaul or replace If necessary.
Replace.
Correct.
Check oil viscosity, change if necessary.
DX-500E/DX-700E Walk Behind Duplex Rollers
13-EN
Operation & Maintenance Manual
EN