Troubleshooting - Koshin Mister AUTO HS-W Serie Manual De Instrucciones

EN
◎
Be sure to let pressure out of tank before disassembling.
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Most accumulator system sprayers can be repaired by customer's since they are
simply structured. Check chart below for
［Symptom］→［Cause］→［Solution］→［Procedure］. Repairing service is available.
If listed procedures below do not work, labor/freight/parts are chargeable.
Symptom
- Does not spray. High pressure
level obtainable.
or
("Swoosh" when
- Poor spraying.
raising safety
valve lever.)
High pressure
level not
obtainable.
- Water leak from each
connection part.
- Water leak from nozzle body.
- Nozzle lever is heavy.
Fill small amount of grease to O-ring on regular basis. Shortage of oil triggers malfunction
of product and water leak. * Use pure grease or silicon grease for this purpose.
Oil filling and replacement
Procedure
D
of O-ring of safety valve.
To remove
- Remove safety valve
To place
Lubricate
O-ring
P 5
Lubricate
O-ring
To pull
S 15
out
Cylinder
Caution
Do not remove safety valve before rotating
change cap to neutral position. If T-shape
lever is revolved, product could be broken.

Troubleshooting

Cause Solution
Spray head blocked. Clean.
Strainer blocked. Clean.
Poor compression. Apply pressure again until
safety valve operates.
Discharge hose bent. Straighten discharge hose.
Pump not closed Tighten pump.
tightly enough.
O-ring on pump not oily Lubricate or replace.
enough or deteriorated.
O-ring on safety valve not Lubricate or replace.
oily enough or deteriorated.
Discharge valve Replace.
deteriorated or lost.
Apply pressure again until
Poor compression.
safety valve operates.
Loose and not closed
Tighten pump.
tightly enough.
O-ring deteriorated. Replace with new one.
Not enough oil. Lubricate.
Replacement of
Procedure
E
discharge valve
by pulling cylinder
out before lubricating
or replacing O-ring.
O-ring
Discharge valve
position
- Remove discharge valve
at tip of pump by hand.
O-ring
- Press discharge valve
S 15
forcibly by hand allowing
Cylinder
no gap.
Cleaning spray head
Procedure
A
Procedure
A
- Unblock hole with a sharp needle.
B
Procedure
Cleaning strainer
B
C
D
To place
E
F
- Remove hose cap to access to
blockages on net or strainer.
F
Procedure
Oil filling and replacement
F
of O-ring of nozzle
Nozzle valve
Lubricate
Pull
Procedure
C
1. Align change cap to "Quick" and
Tighten
Loosen
Hole
Change
cap
To remove
Strainer
Screw
Hose Cap Net
Cap for
Nozzle body
O-ring
P 11
Lubricate
O-ring
P 5
Lubricate
O-ring
Do not remove other screw except for
S 3
those indicated here.
Oil filling and replacement
of pump O-ring
gently raise handle to loosen
screw and remove
cylinder cap.
2. Loosen screw on
piston to lubricate
or replace O-ring.
Lubricate
O-ring
P36
Lubricate
O-ring
P 24
Hexagon nut
M 3
Screw
M3×10
Cylinder cap
Caution