Troubleshooting - Qualcast QG-PC 4645 Original Operating Instructions

6. Other Useful Information
FAULT
Unit won't start
or starts but will
not run
Unit starts,
but engine has
low power
Engine hesitates
No power
under load
Runs erratically
Smokes excessively
Poor performance
when operated
Engine dies
lubrication
(the cutter rail
and chain get hot)
Helpline No. UK 0151 649 1500 / IRE 189 094 6244
POSSIBLE CAUSES
Incorrect starting procedures
Incorrect carburetor mixture
adjustment setting
Fouled spark plug
Chain brake is on
Incorrect carburetor mixture
adjustment setting
Incorrect carburetor mixture
adjustment setting
Incorrectly gapped spark plug
Incorrect carburetor mixture
adjustment setting
Incorrect fuel mixture
Blunt chain
Loose chain
Empty petrol tank
position in the tank
Empty oil tank for the chain
Oil lubrication
opening blocked

TROUBLESHOOTING

Follow instructions in the
User Guide or refer to starting
procedure check list on page 24
Have carburetor adjusted by
an Authorised Service Centre
Clean/gap or replace plug
Put Chain brake in off position
Have carburetor adjusted by
an Authorised Service Centre
Have carburetor adjusted by
an Authorised Service Centre
Clean/gap or replace plug
Have carburetor adjusted by
an Authorised Service Centre
Use properly mixed fuel (40:1 mix)
Sharpen or replace the chain
Tension the chain
Fill up the petrol tank
petrol tank
Top up the oil tank for the chain
Clean the oil lubrication hole
in the cutter bar (Fig 4/Item A)
Clean the groove in the cutter bar
25