FarmBoy
®
Agricultural Knapsack Sprayer (Power)
FB-KPS-204/804
: +91.80. 22178200
Page 13 of 36
Engine fails to run smooth:
Trouble
Cause
Remedy
No power
Compression is
good and there
is no misfire
Air cleaner element is
plugged up.
Clean or replace air
cleaner if necessary
Air has entered fuel line
joints.
Clear the fuel line
Faulty choke lever
Replace choke lever
Carbon
build
up
on
cylinder muffler.
Clean the muffler
Compression is
bad
Burnt spark plugs
Replace the spark plug
Short in cable
Replace the cable
Bad mixture or piston ring
wear.
Replace the piston ring
Marks on cylinder. Cracks
in the piston head
Replace the piston
Engine overheated
Fuel is too low (mixture is
too thin).
Engine over oiling.
Faulty
mixture,
not
enough mixture.
Clear the lines
Carbon
piled
up,
overloaded operation.
Clean the carbon
Faulty spark plugs.
Replace the spark plugs
Plugged
cylinder
or
coolant lines
Clean the coolant lines
Inaccurate explosion
Carburetor not adjusted
properly.
Adjust the carburetor
gap properly
Faulty spark plugs.
Replace the spark plug
Faulty magneto or internal
short
Replace he magnet
Engine
doesn’t sound right
Overheated cylinders
Replace the cylinder
Overload operation
Right quantities of petrol
and oil should be mixed
to
enable
proper
lubrication
Faulty mixture or incorrect
ratio
Internal engine damage
Replace the necessary
spares/contact
service
person
Slow acceleration
Carburetor not adjusted
properly
or
faulty
compression
Adjust the carburetor
gap properly
Poor gasoline oil quality
Use
good
quality
gasoline-oil mixture.
Carbon pile up
Clean the carbon
