19
20
‒
TROUBLE AND MAINTENANCE
CAUTION AFTER USE
Check before ask service station.
Vertical 2-head spray mouth
Spraying Head Unit
Spraying Board
Match the shape.
ź
Washing Spray Head
Ż
Remove the cap
Remove the cap.
Match the concavo-convex shape of the spraying board and
spraying head unit.
Caution
Be careful not to lose each component.
Caution
Cannot pull
Cannot pull
recoil starter
recoil starter
or recoil is
or recoil is
hard to pull
hard to pull
Engine does
Engine does
not start
not start
No water
No water
suction
suction
Suction is OK
Suction is OK
but cannot spray
but cannot spray
Liquid comes out from
Liquid comes out from
surplus water hose
surplus water hose
Symptom
Possible Cause
Maintenance
Engine trouble due to use of oil fuel
Rust inside of engine
Burned engine
Clogged carburetor
Plug is wet
Dirty air cleaner
Too much engine oil
Clogged delivery hose
Remaining pressure inside of
delivery hose
Clogged strainer
Clogged hole of spray head
Loss of packing from suction hose
connection
Loose screw of suction hose connection.
Clogged delivery valve and suction
valve. Wear or breakage of consumption
parts. (cylinder pipe, Piston rod,
packing, pressure adjusting spring, etc)
Air is coming into suction side.
Bad engine revolution
Running engine at low speed
Air is coming into delivery hose
Position of pressure adjusting
handle is not "O" when start
Handle grip is not "spray" condition
Just after start engine
Clogged hole of spray head
Clogged delivery hose
Change fuel. If it is still in bad
condition, ask service station.
Ask service station
Ask service station
Ask service station
Check or exchange plug * See maintenance 3
Wash air cleaner (* See engine
operation manual)
Adjust amount of engine oil
Remove dust from delivery hose
Loose volume adjusting handle
and remove pressure.
Remove dust
Wash spray head with water
* See "Caution after use" P.17
If packing is lost or broken,
change to new packing.
* See "Maintenance 2"
Tighten connection screw
Ask service station
Check suction pipe * See "Maintenance 2"
See engine operation manual
Shift to high speed
Take off reel connection hose
and start * See "Maintenance 1"
Set pressure adjusting handle at
"O" position before start
* See "How to Use" P.13
Make handle grip spray condition
* See "How to Use" P.15
Run engine for 1 to 1 and half min
Wash spray head with water
* See "Caution after Use" P.19
Remove dust from delivery hose
Universal 1-head spray mouth
