Hayter HARRIER 56 Owner's Handbook Manual page 38

1.36
FAULT FINDING
PROBLEM
Engine will not start.
Engine runs rough.
Engine vibrates excessively.
Cutterblade drive will not
engage / disengage.
FAULT FINDING
POSSIBLE FAULT
Fuel starvation.
Incorrect / contaminated fuel.
Spark plug lead disconnected.
Engine cold.
Faulty spark plug.
Spark plug lead becoming dis-
connected in use.
Faulty spark plug.
Air cleaner cartidge blocked.
Incorrect / contaminated fuel.
Mounting bolts loose.
Cutterblade screws loose.
Cutterblade out of balance.
Bent crankshaft.
Faulty blade brake clutch.
REMEDY
Fill fuel tank.
Drain fuel tank and fill with cor-
rect fuel.
Connect spark plug lead.
Set throttle to choke position.
Clean and adjust gap or replace.
Connect spark plug lead.
Clean and adjust gap or replace.
Replace air cleaner cartidge.
Drain fuel tank and fill with cor-
rect fuel.
Tighten bolts.
Tighten screws.
Balance cutterblade.
Consult your dealer.
Consult your dealer.
343046BD310100
1.36