6. TROUBLESHOOTING
GUN DOES NOT SPRAY
- Fluid adj. knob (12) closed.
- Tip hole of nozzle obstructed.
- Paint filter obstructed.
- Non drip obstructed.
INTERMITTENT SPRAY PATTERN
- Air escapes from fluid nozzle
(2-1).
- Air escapes from fluid needle
packing (21).
- Air escapes from cup joint.
- Dirt inside air cap (1).
DEFECTIVE SPRAY PATTERN
- Dirty nozzle (2-1)or air cap (1). Clean carefully.
Nozzle (2-1) or air cap (1)
has been damaged.
- Fluid nozzle (2-1) is loose.
- Paint viscosity too high or
too low.
- Fluid output too high or
too low.
LEAKING
- Fluid nozzle (2-1), needle set
(2-2) or gun body (5), dirty,
damaged or worn on seat.
- Dirt inside air cap (1).
- Loose fluid adj. knob (12).
- Fluid needle spring (11) is
worn.
- Loose fluid nozzle (2-1).
- Needle packing set (21) loose, Adjust, clean or replace.
too tight, dirty or worn.
AIR ESCAPES FROM AIR CAP
- Air valve (8), air valve seat (7) Clean or replace if neces-
or air valve spring (9) dirty
or damaged.
- Air valve seat set o-ring
(7-1) damaged or worn.
To disassemble Air valve seat_ part.8, use 10 mm allen wrench (Non
*ATTENTION:
ball point type).
To disassemble Fluid nipple_ part. 5-2, use 8 mm allen wrench.
3
7. SPARE PARTS LIST
Check and adjust.
Check and clean.
Check and clean.
Check and clean.
Check , clean & replace if
necessary.
Tighten.
Tighten.
Clean.
FLUID NOZZLE _ NEEDLE SET Combination
Orifice
ø mm (in)
Replace If damaged.
0.8 (0.031)
1.0 (0.039)
Tighten.
1.2 (0.047)
Dilute paint or increase
1.3 (0.051)
1.4 (0.055)
viscosity
1.6 (0.063)
Adjust fluid adj. knob (12)
1.8 (0.071)
to reduce or increase.
2.0 (0.079)
2.5 (0.098)
Clean or replace if neces-
1.0 (0.039)
sary.
1.2 (0.047)
1.3 (0.051)
1.4 (0.055)
Clean.
1.6 (0.063)
Adjust.
1.8 (0.071)
Replace.
SPARE PARTS LIST
Air cap
Tighten.
Fluid Nozzle + Fluid needle set
Fluid Nozzle
Fluid needle
Body set
Air nipple
Fluid nipple *
Pattern adjustment set
Air valve seat *
sary.
O'ring
Air valve
Replace.
Air valve spring
Fluid adjustment guide
Needle spring
Fluid adjustment knob
Air valve shaft
Air adjustment set
Trigger stud
Trigger
E stopper
Filter
Brush
Spanner
Needle packing set
NOTE:
No. and marked No. of air cap set, fluid nozzle and fluid needle.
Nozzle
Needle
Mark
set
W400
W200/08
20012H
W200/10
40012
W200/12
40012
W200/13
20015
W200/14
20015
W200/16
20015
W200/18
20018
W200/20
20020
W200/25
20025
W400WB
400WB/10
40012
400WB/12
40012
400WB/13
20015
400WB/14
20015
–
Marked parts are wearable parts.
When ordering parts, specify gun model, part name with ref.
GB
Nozzle
Needle
Mark
set
W400 BA
–
–
W400/10BA
40012
W400/12BA
40012
W400/13BA
20015
W400/14BA
20015
W400/16BA
20015
W400/18BA
20020
W400/20BA
20020
–
–
LPH400
–
–
400LV/12
40012
–
–
400LV/14
40015
–
400LV/16
40015
400LV/18
40020
REF.
Ref. 1
Ref. 2
Ref. 2-1
Ref. 2-2
Ref. 5
Ref. 5-1
Ref. 5-2
Ref. 6
Ref. 7
Ref. 7-1
Ref. 8
Ref. 9
Ref. 10
Ref. 11
Ref. 12
Ref. 13
Ref. 14
Ref. 15
Ref. 16
Ref. 17
Ref. 18
Ref. 19
Ref. 20
Ref. 21