IVT GHT-25, Owner'S Manual

Page: 15 / 64

15
EN
Instruction manual
TROUBLESHOOTING
CAUTION! Turn off the engine and wait until the machine stops completely before
investigating fault.
Conventional trouble Trouble reason Remedy
Engine does not start.
∙
Failure to operate fuel pump (11).
∙
Push it 7-10 times.
∙
On/off switch (6) in ‘off’ ‘O’ position.
∙ Turn On/off switch (6) in ‘on’ ‘I’
position.
∙
Choke lever (10) not in CLOSED
position (cold engine).
∙ Move choke lever (10) to the
CLOSED position.
∙
Lack of fuel.
∙ Feed fuel.
∙ Fuel filter (14) clogged, carburetor
malfunction, ignition malfunction, valves
stuck, etc.
∙ Replace or repair faulty
components as needed.
∙ Deteriorated fuel.
∙
Replace with new recommended
fuel.
∙ Spark plug (20) faulty, fouled,
detached or has incorrect gap.
∙
Clean, gap, attach or replace.
Engine stops soon.
Engine speed does not
increase.
∙
Insufficient warm-up.
∙ Perform warm-up operation.
∙ Choke lever (10) is set to CLOSED
position although engine is warmed up.
∙ Set it to OPEN position.
∙ Clogged fuel filter (14) or
contaminated or clogged filter element
(17).
∙
Clean.
∙
Throttle cable out of adjustment,
broken, or bent.
∙ Adjust or replace if necessary.
If the problem cannot be remedied on the basis of the information above, please take the device to an authorized
IVT Service Center.
ATTENTION! DO NOT ATTEMPT TO REPAIR THE PRODUCT BY YOURSELF AND DO NOT
TAMPER WITH IT! Any operation of repairing or extraordinary maintenance must be carried
out only by a qualified and authorized IVT Service Center. Do not try to modify any internal
part of the product! THIS WILL COMPLETELY VOID THE WARRANTY AND IT COULD CAUSE
SERIOUS INJURY AND DAMAGE.