Maruyama MS076, Owner'S/Operator'S Manual

Page: 13 / 28

Storage
Don't leave chemicals in the chemical tank and pump. This might cause the machine to break down.
Remove fuel from fuel tank, and operate the
machine in idling state until it stops.
Set pressure control valve handle to
"START".
Move throttle lever to low-speed position.
After finishing the above, put the machine in
a box and store it at a place free from
moisture and which is well ventilated.
・
When damage is found, store it after making repairs. In this case, use the genuine parts specified by
us for all parts and consumable goods.
・
Store at a place that is free from moisture, dust, and contaminants.
Trouble-shooting and actions
・
When the condition of pump and engine is poor, the following can be expected.
・
Where marked with
☆
, request adjustment or repair at sales outlet or our sales office.
Pump
Symptom Cause t Treatment
No suction (1) Loose connecting of suction hose
(2) Suction hose clogged with chemicals
(3) Wear to piston packing
(4) Foreign matter in valve portion
(1) Tighten sufficiently.
(2) Disassemble and clean
☆
(3) Replace with new parts
☆
(4) Disassemble and clean
☆
Pressure cannot be
increased.(poor
spraying state)
(1) Wear to piston packing
(2) Scratch on the inside surface of cylinder
(3) Scratch on delivery valve
(4) Wear to pressure control valve seat
(5) Foreign material on each valve
(6) Wear to cam handle
(7) Wear to nozzle hole
(8) Too high a nozzle number used
(1) Replace with new one.
☆
(2) Replace with new one.
☆
(3) Replace with new one.
☆
(4) Replace with new one.
☆
(5) Disassemble and clean.
☆
(6) Replace with new one.
☆
(7) Replace with new one.
☆
(8) Decrease number of nozzles
or replace with smaller
CAUTION
CAUTION
3
4
1
2
12
Ｅｎｇｌｉｓｈ