Anest Iwata WS-200 SP Operation instructions

USE and MAINTENANCE INSTRUCTION MANUAL
PRESSURE
SPRAY GUN Series
•WS-200 SP
Split Nozzle
•WS-200 FT
Flat Tip Nozzle
en

3
EN
Dear Customer,
We thank you for the preference you gave us and we are glad to count you among our customers. We hope the use of this equipment
will satisfy you and your staff.
ALWAYS OBSERVE WARNINGS AND CAUTIONS IN THIS MANUAL
SYMBOL WARNING HAZARD LEVEL CONSEQUENCE
WARNING POTENTIALLY HAZARDOUS SITUATION DEATH OR SERIOUS INJURY
CAUTION POTENTIALLY HAZARDOUS SITUATION MINOR TO MODERATE INJURY
IMPORTANT POTENTIALLY HAZARDOUS SITUATION PROPERTY DAMAGE
2. TECHNICAL SPECIFICATION
Max. operating air/fluid pressure: 12 bar (175 PSI) Air connection: G1/4"
Noise Level (LAeqT)*: 82.9 dB(A) Fluid connection: G3/8"
Weight g (lbs): 395 (0.87) Max. Temperature range: Atmosphere 5-40°C / Air-Fluid 5-43°C
*Measuring point: 1m backwards from gun, 1.6m height.
WS-200SP
Split Nozzle
NOZZLE
ORIFICE
(mm)
AIR CAP SET
MARK
AIR PRESSURE
at Gun Inlet
(bar)
FLUID OUTPUT
(ml/min)
AIR
CONSUMPTION
(l/min)
Spray Distance at 150 mm
PATTERN WIDTH
(mm)
WS-200SP-0801 0.8
WS-200SP-01 2.5
200
435
210
WS-200SP-1001 1.0 250 230
WS-200SP-1201 1.2 300 240
WS-200FT
Flat Tip Nozzle
NOZZLE
ORIFICE
(mm)
AIR CAP SET
MARK
AIR PRESSURE
at Gun Inlet
(bar)
FLUID OUTPUT
(ml/min)
AIR
CONSUMPTION
(l/min)
PATTERN WIDTH
(mm)
WS-200FT-0801 0.8
WS-200FT-01 2.5 200 380
240
WS-200FT-1001 1.0 210
WS-200FT-1201 1.2 210
WS-200FT-0802 0.8
WS-200FT-02 3.0
200
475
215
WS-200FT-1002 1.0 250 250
WS-200FT-1202 1.2 300 255
2.1 TECHNICAL DATA
IMPORTANT
This manual is an integral part of pressure spray gun and must to be read carefully before starting
ANY ACTIVITY involving the use, adjustment and maintenance of the equipment, including its handling.
This manual must be stored in a safe place for any future reference.
Be sure to observe warnings and cautions in this instruction manual.
If not, it can cause paint ejection and serious bodily injury by drawing organic solvent.
This ANEST IWATA pressure spray guns complies to ATEX regulations 2014/34/EU.
Protection level: II 2 G X Suitable for using Zones 1 and 2.
X marking: Any static electricity should be discharged from the spray gun and needs to be diverted to
the ground via a conductive air hose not included.
1. IMPORTANT INFORMATIONS
WS-200SP | WS-200FT Pressure Spray Guns

EN
4
WARNING PROTECTION OF HUMAN BODY
USE IN A WELL-VENTILATED SITE BY USING A SPRAY BOOTH.
If not, poor ventilation can cause organic solvent poisoning and catch fire. If you feel any abnormality dur-
ing operation, consult a medical doctor immediately.
ALWAYS WEAR PROTECTIVE GEAR (safety glasses, mask, gloves.)
If not, cleaning liquid, etc., can cause inflammation of eyes and skin.
In case of any physical discomfort for skin or eyes, immediately seek a medical advice.
WEAR EARPLUGS IF NECESSARY.
Noise level can exceed 85 dB(A), depending on operating conditions and painting site.
NEVER TRY TO STOP LEAKS BY HAND, WHEN PAINT LEAKS.
In case of leaks, stop pump immediately and reduce paint pressure down to 0 pressure.
If you feel any abnormality or receive any injury, consult a medical doctor immediately.
Pulling trigger many times during operation, may cause carpal tunnel syndrome.
ALWAYS REST, IN CASE OF TIREDNESS.
WARNING FIRE AND EXPLOSION HAZARDS
SPARKS AND OPEN FLAMES ARE STRICTLY PROHIBITED
Paints can be highly flammable and can cause fire.
Do not expose to open flames, electrical goods, cigarettes etc.
SECURELY GROUND SPRAY GUN BY USING A CONDUCTIVE AIR HOSE.
ELECTRICAL RESISTENCE: > 1MΩ.
ALWAYS ensure that the spray gun is earthed correctly.
Insufficient grounding can cause fire and explosion due to static electric sparking.
NEVER USE THE FOLLOWING HALOGENATED HYDROCARBON SOLVENTS which can cause cracks or
dissolution on gun body (aluminium) by chemical reaction.
UNSUITABLE SOLVENTS: methyl chloride, dichloromethane, 1.2-dichloroethane,carbon tetrachloride,
trichloroethylene, 1.1.1-trichloroethane.
BE SURE THAT ALL FLUIDS AND SOLVENTS ARE COMPATIBLE WITH GUN PARTS.
3. SAFETY WARNING
WARNING IMPROPER USE OF THE EQUIPMENT
NEVER EXCEED MAXIMUM OPERATING PRESSURE AND MAXIMUM OPERATING TEMPERATURE.
Use at more than max. operating pressure can cause explosion of Spray Gun resulting in great danger.
ALWAYS RELEASE AIR AND FLUID PRESSURE BEFORE CLEANING, DISASSEMBLING OR SERVICING.
Otherwise, remaining pressure can cause bodily injury due to improper operation or scattering cleaning
liquid.
NEVER POINT Spray Gun towards people or animals.
TIP OF FLUID NEEDLE SET HAS A SHARP POINT.
Do not touch the tip during maintenance to avoid accidents.
NEVER USE THIS GUN TO SPRAY FOODS OR CHEMICALS. Otherwise, foreign substance, could cause
corrosion of fluid passages which could adversely affect health.
NEVER ALTER THIS SPRAY GUN.
If done, it can cause insufficient performance and failure or in extreme cases, explosions.
WARNING OTHER PRECAUTIONS
SECURELY CONNECT FLUID HOSE. If hose is disconnected during operation, hazardous hose movement
and paint ejection will cause severe bodily injury.
IF SOMETHING GOES WRONG, IMMEDIATELY STOP OPERATION AND FIND THE CAUSE. Do not use again
until you have solved the problem.
NEVER USE SPARE PARTS THAT ARE NOT ANEST IWATA ORIGINALS.
USE NEUTRAL CLEANER: pH value shall be 6 to 8, otherwise could cause corrosion.
WS-200SP | WS-200FT Pressure Spray Guns

5
EN
5. SETUP OF THE GUN
CAUTION
USE CLEAN AIR FILTERED THROUGH AIR DRYER AND AIR FILTER.
WHEN USING THIS GUN FOR THE FIRST TIME AFTER PURCHASE, CLEAN FLUID PASSAGES AND
REMOVE RUST PREVENTIVE OIL BY SPRAYING CLEANER.
FIRMLY FIX PAINT HOSE TO SPRAY GUN, TO AVOID THAT DISCONNECTION OF IT, CAN CAUSE BODILY
INJURY.
1. Flush fluid passages with a compatible cleaner.
2. Firmly connect an air hose to air nipple G1/4”.
3. Firmly connect a paint hose to fluid nipple G3/8".
4. Test spray, adjust fluid output and as well as pattern width.
6. HOW TO OPERATE
Suggested atomizing air pressure is 2.0 to 3.0 bar (29 to 43.5 PSI).
Recommended paint viscosity differs according to paint property and painting conditions. 14 to 25 sec. / Ford cup#4 is recommended.
Set the spray distance from the gun to the work piece, as near as possible within the range of 130-200 mm.
The gun should be held so that it is perpendicular to the surface of the workpiece at all times. Then, the gun should move in a
straight and horizontal line. Arcing the gun causes uneven painting.
7. MAINTENANCE AND INSPECTION
CAUTION
BEFORE CARRYING OUT MAINTENANCE AND INSPECTION ALWAYS OBSERVE WARNING INDICATIONS.
- NEVER DAMAGE FLUID NOZZLE TIP, FLUID NEEDLE OR AIR CAP HOLES.
- NEVER IMMERSE THE SPRAY GUN COMPLETELY IN LIQUIDS SUCH AS THINNER.
4. BOX CONTENTS
WHEN RECEIVING THE SPRAY GUN, MAKE SURE THAT IT HAS NOT BEEN DAMAGED DURING TRANSPORT OR STORAGE AND
ALSO CHECK THAT ALL THE FOLLOWING CONTENTS ARE INSIDE THE BOX.
TWISTED BRUSH ø 10 mm
SPRAY GUN UNIVERSAL SPANNER BRUSH INSTRUCTION MANUAL
WS-200SP | WS-200FT Pressure Spray Guns

EN
6
CAUTION
THE FLUID PASSAGES OF THE GUN, MUST BE CLEANED THOROUGHLY AFTER EACH USE, ESPECIALLY AFTER
USE WITH BI-COMPONENT PAINTS. INCOMPLETE CLEANING CAN CAUSE DEFECTIVE PATTERN SHAPE.
NEVER SOAK AIR CAP SET (1) IN CLEANER FOR AN EXTENDED PERIOD, EVEN WHEN CLEANING.
NEVER USE METAL BRUSH TO CLEAN THE GUN.
1 RELEASE AIR AND FLUID PRESSURE.
2REMOVE AIR CAP SET AND PAINT HOSE FROM GUN, CLEAN FLUID PASSAGES, THEN CLEAN EACH SECTION WITH BRUSH SOAKED
WITH CLEANER AND WIPE OUT WITH WASTE CLOTH.
3 DRY ALL PARTS COMPLETELY AND APPLY SPRAY GUN LUBRICANT TO EACH THREAD.
7.1 MANUAL CLEANING PROCEDURE
7.2 DISASSEMBLY AND REASSEMBLY PROCEDURE
AFLUID NEEDLE (2-2): Disassemble: fluid adj. knob (13) fluid
needle spring (12) and needle set (2-2), with air cap (1) already
assembled.
BFLUID NOZZLE SET (2-1): Disassemble: air cap set (1) and fluid
nozzle (2-1), while keeping fluid needle (2-2) pulled (triggering)
in order to protect its seat section. Use the enclosed spanner to
disassemble the fluid nozzle (size Hex.19 mm).
CBUFFLE RING (4): Disassemble baffle ring (4) by using jaw wrench
Hex. 24 mm (not included). ATTENTION! If you replace baffle
ring packing (3), be sure to assemble the new one in right
direction, see fig.1.
DFLUID NEEDLE PACKING SET (6): To disassemble fluid needle
packing set (6), first of all unscrew the hex. 10 mm size by
enclosed spanner, then loosen the packing by hand and remove it
from gun body. IMPORTANT! Before to reassemble it, fasten the
needle packing (6-1) to needle packing spring (6-2) see fig.2.
EAIR VALVE SET (9): To disassemble air valve (9), unscrew the fluid
adj. guide set (11) by using universal spanner hex. 17 mm size, and
remove air valve spring (10) and air valve (9).
FAIR VALVE SHAFT (14): To disassemble air valve shaft (14),
unscrew air valve seat set (8) by using hex. 10 mm allen wrench
(not included). IMPORTANT! Before to reassemble it, fasten the
air valve shaft (14) to air valve seat set (8) see fig.3.
2-2
12 13
2-1
1
6-1 6-2 6-3
6
4
910 11
14 8
814
3
Fig. 1
6-1 6-2
Fig. 2
Fig. 3
WS-200SP | WS-200FT Pressure Spray Guns

7
EN
GReassemble air valve (9), air valve spring (10) and fluid adj. guide
set (11) together. Next insert fluid needle set (2-2) into fluid adj.
guide set (11) fit it into gun body set and tighten fluid adj. guide set
(11) by using the enclosed spanner. IMPORTANT! If you try to fit
air valve spring (10) and air valve (9) into gun body, without
fluid needle set (2-2) assembled, air valve will not be fitted
correctly and the packing of fluid adj. guide set (11) will be
damaged.
HTRIGGER SET (16): To disassemble trigger set (16), unscrew hex-
agon socket buttom bolt (18) by using hex. 2.5 mm allen wrench
(not included) and remove trigger stud (17).
IMPORTANT! To reassemble, fit the hexagonal shape of the
edge of the trigger stud (17) into hexagonal hole of it, see fig.4.
The replacement of trigger plate (16-2), must be always done
with the trigger already removed from gun body, by taking off
the worn part and by fitting the new one in the proper holes
of the internal part of trigger, by applying a slight manual
pressure (see fig. 5).
IPATTERN ADJ. SET (7) and AIR ADJ. SET (15) . IMPORTANT: Before disassembling or assembling of pattern adj. set (7) and/or air adj. set
(15) make sure that these operations will be carried out with the adjustments fully opened. Otherwise it could cause damage of seats section.
Disassemble pattern adj. set (7) and/or air adj. set (15) by using the enclosed spanner hex. 13 mm size.
91011 2-2
17
18
17
16
Fig. 4
8. PROBLEMS CAUSES AND REMEDIES
PROBLEM CAUSE REMEDY
SPRAY GUN
DOES NOT SPRAY
Fluid adj. knob (13) closed. Check and adjust it.
Tip hole of nozzle obstructed. Check and clean it.
INTERMITTENT
SPRAY PATTERN
Air escapes from fluid nozzle (2-1). Check , clean & replace if necessary.
Air escapes from fluid needle packing (6). Check , clean & replace if necessary.
Dirty inside air cap set (1). Clean.
DEFECTIVE
SPRAY PATTERN
Dirty nozzle (2-1) or air cap set (1). Clean carefully.
Nozzle (2-1); air cap (1) or baffle ring (4) has been
damaged.
Replace if damaged.
Fluid nozzle (2-1) or baffle ring (4) are loose. Tighten.
Paint viscosity too high or too low. Dilute paint or increase viscosity.
Fluid output too high or too low. Adjust fluid adj. knob (13) to reduce
or increase.
LEAKING
Fluid nozzle (2-1), needle set (2-2) or gun body (5),
dirty, damaged or worn on seat. Clean & replace if necessary.
Dirt inside air cap set (1). Clean.
Loose fluid adj. knob (13). Adjust.
Fluid needle spring set (12) is worn. Replace.
Loose fluid nozzle set (2-1). Tighten.
Needle packing set (6) dirty or worn. Clean or replace.
AIR ESCAPES FROM AIR CAP
Air valve (9), air valve seat (8) or air valve spring
(10) dirty or damaged. Clean or replace if necessary.
Air valve seat set "O"ring (8-1) damaged or worn. Replace.
Fig. 5
WS-200SP | WS-200FT Pressure Spray Guns
16-2
16-1

8
EN
WHERE TO INSPECT REPLACEMENT PART
Each hole passage of air cap set (1) and fluid nozzle set (2-1). Replace air cap or fluid nozzle if they are crushed or deformed.
Packings and O'rings. Replace if deformed or worn out.
Leakage from seat section between fluid nozzle (2-1) and fluid
needle set (2-2).
Replace them if leakage does not stop after fully cleaning fluid
nozzle (2-1) and fluid needle set (2-2).
If you replace fluid nozzle (2-1) or fluid needle set (2-2) only, fully
match them and confirm that there is no leakage.
8.1 INSPECTION AND REPLACEMENT STANDARD
9. SPARE PARTS LIST
Ref. CODE DESCRIPTION
1
AIR CAP SET
93001300 WS-200SP-01
93002070 WS-200FT-01
93002190 WS-200FT-02
2
FLUID NOZZLE + FLUID NEEDLE SET
Q
93002050 WS-200SP-08
93001990 WS-200SP-10
93001340 WS-200SP-12
93002180 WS-200FT-08
93002150 WS-200FT-10
93002130 WS-200FT-12
2-1
- FLUID NOZZLE
Q
2-2
- FLUID NEEDLE SET
Q
3
93001550 BAFFLE RING PACKING
Q
4
93001500 BAFFLE RING
5
- BODY SET
6
93001410 NEEDLE PACKING SET
Q
6-1
93001420 NEEDLE PACKING
Q
6-2
93001430 NEEDLE PACKING SPRING
6-3
93001450 NEEDLE PACKING NUT
793001560 PATTERN ADJUSTMENT SET
893001640 *AIR VALVE SEAT SET
8-1 93001680 O RING
Q
993001690 AIR VALVE
Q
10 93001700 AIR VALVE SPRING
11 93001710 FLUID ADJUSTMENT GUIDE SET
12 93002820 NEEDLE SPRING SET
12-1 93593530 NEEDLE SPRING
12-2 93001760 NEEDLE SPRING PACKING
Q
13 93001780 FLUID ADJUSTMENT KNOB
14 93001790 AIR VALVE SHAFT
Q
15 93001800 AIR ADJUSTMENT SET
16 93001820 TRIGGER SET
16-1 93001850 TRIGGER
16-2 93001860 TRIGGER PLATE
Q
17 93001870 TRIGGER STUD
18 93001960 **HEX. SOCKET BUTTON BOLT
19 93505910 SPANNER
20 W2COM6163 BRUSHES (5 pcs.)
21 W2COM6162 TWISTED BRUSHES ø10mm (5 pcs.)
1
2-1
34
6-1 6-2 6-3
67
14
8-1
8
91011
2-2
12-1 12-2
13
15
16-2
17
18
16-1
5
19
20
21 12
16
NOTE
Q Marked parts are wearable parts.
When ordering parts, specify gun model, part name with No. and
marked No. of air cap set, fluid nozzle and fluid needle.
IMPORTANT
The replacement of the following parts must be carried out
only in case of extreme necessity and by qualified personnel:
Air nipple (93001540) - Air cap packing (white) (93505330) and
Air cap packing (transparent) (93001330)
*To disassemble Air valve seat ref. 8, use 10 mm Allen wrench (Non ball
point type). (not enclosed)
**To disassemble Hexagon socket buttom bolt ref. 18, use 2.5 mm Allen
wrench. (not enclosed)
FLUID NOZZLE FLUID NEEDLE SET
Size ø
mm (in) Mark Mark
0.8 (0.031)
WS200 /08SP
WS20012H
1.0 (0.039)
WS200 /10SP
1.2 (0.047)
WS200 /12SP
0.8 (0.031)
WS200 /08FT
1.0 (0.039)
WS200 /10FT
1.2 (0.047)
WS200 /12FT
NOZZLE NEEDLE SET COMBINATION
WS-200SP | WS-200FT Pressure Spray Guns

Code No.:WS-200 ML - March_2017
ANEST IWATA Corporation
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www.anest-iwata.co.jp
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