14
15
19-2 WS-400 SR2 | LS-400 SR2 AIR CAP - FLUID FLUID NEEDLE COMBINATION
MODEL
FLUID FLUID NEEDLE SET
AIR CAP SET
CODE
Nozzle Mark
CODE
Air Cap Mark
WS-400 BASE
WS-400-OBS.0
93008930
OBS-0
93008310
WS-400-02-OBS
WS-400-OBS
93008340
OBS
WS-400-OBS.1
93008990
OBS+1
WS-400-BFS
93018150
BF-S
93018140
WS-400-03-BF
WS-400 CLEAR
WS-400-12H03
93009140
12 HD
93009030
WS-400-03
Ws-400-13H03
93009060
13 HD
Ws-400-14H03
93009160
14 HD
Ws-400-15H03
93009180
15 HD
LS-400 ET
LS-400-1206
93008160
12 ET
93008030
LS-400-06
LS-400-1306
93008070
13 ET
LS-400-1406
93008180
14 ET
LS-400-1506
93008200
15 ET
LS-400 ETS
LS-400-12S06
93008230
12 ETS
93008030
LS-400-06
LS-400-13S06
93008250
13 ETS
LS-400-14S06
93008270
14 ETS
LS-400-15S06
93008290
15 ETS
20.1 INSPECTION AND REPLACEMENT STANDARD
WHERE TO INSPECT
REPLACEMENT PART
Each hole passage of air cap (1) and fluid
nozzle (2).
Replace if it is crushed or deformed.
Packing and O ring.
Replace if it is deformed or worn out.
Leakage from seat section between fluid
nozzle (2) and fluid needle set (2-1).
Replace them if leakage does not stop after fully cleaning fluid nozzle
(2) and fluid needle set (2-1).
If you replace fluid nozzle (2) or fluid needle set (2-1) only, fully match
them and confirm that there is no leakage.
20. TROUBLESHOOTING
PROBLEM
REMEDY
GUN DOES NOT SPRAY
Fluid adj. knob (13) closed.
Check and adjust it.
Tip hole of nozzle (2) obstructed.
Check and clean it.
Deposit of paint between the fluid needle (2-1) and the needle
packing set (3).
Check and clean it.
Paint filter obstructed.
Check and clean it.
Non drip obstructed.
Check and clean it.
INTERMITTENT SPRAY PATTERN
Air leaks from fluid nozzle (2).
Check, clean or replace.
Air leaks from fluid needle packing (3).
Tighten.
Air leaks from cup joint.
Tighten.
Dirty inside air cap set (1).
Clean.
DEFECTIVE SPRAY PATTERN
Dirty nozzle (2) or air cap set (1).
Clean carefully.
Nozzle (2) or air cap (1) has been damaged.
Replace if damaged.
Fluid nozzle (2) is 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), needle set (2-1) or gun body, dirty, damaged
or worn on seat.
Check, clean or replace.
Dirty inside air cap set (1).
Clean.
Loose fluid adj. knob (13).
Adjust.
Fluid needle spring set (11) is worn.
Replace.
Loose fluid nozzle set (2).
Tighten.
Needle packing set (3) loose, too tight, dirty or worn.
Adjust, clean or replace.
AIR
LEAKS
FROM AIR CAP
Air valve (8), air valve seat (7) or air valve spring (9) dirty or
damaged.
Clean or replace if necessary.
Air valve seat set O’ring (7-1) damaged or worn.
Replace.
DIGITAL PRESSURE GAUGE DOES NOT WORK
The pressure display doesn't indicate any pressure value.
Replace the battery.
The air pressure indicated on pressure display is not correct.
Remove and re-insert the battery for
automatic calibration.
EN
EN
WS-400
Series
2
[BASE & CLEAR]
- LS-400
Series
2
GRAVITY SPRAY GUNS
WS-400
Series
2
[BASE & CLEAR]
- LS-400
Series
2
GRAVITY SPRAY GUNS