41
40
WALTHER repair kits are available for PILOT WA 400 - WA 430 and the correspon-
ding versions of adhesive coating PILOT WA 470-K - WA 473-K spray guns including
all wearing parts:
Article No.: V 16 400 06 . . 3 (WA 400 / WA 410)
Article No.: V 16 420 03 . . 3 (WA 420 / WA 430)
Article No.: V 16 580 02 . . 3 (WA 470-K - WA 473-K)
Wearing parts are also shown in the listing of replacement parts (in bold face).
8
Troubleshooting and Corrective Action
Warning
Prior to any servicing and repair work: Make sure that the spray gun is in unpressu-
rized condition, i.e. all air and material inputs must be shut off - if not, imminent risk
of injury.
Fault
Cause
Remedy
Gun is dripping
Material control nozzle or needle
fouled
Material control nozzle or needle
damaged
Packing screw too tight
see 5.5 Removing Material
Control Nozzle or Needle and cleaning
see 7.2 Replacing Material
Control Nozzle or Needle
Loosen packing screw in (pos. 21) slightly
with a screw driver
Gun fails to open
Control air pressure too low
Increaese control air pressure to at least 4.5
bar
Material leaks from
leakage boring
Needle seal packing leaks
Packing screw too loose
see 7.1 Replacing Needle Seal Packing
Tighten packing screw in (pos. 21) slightly
with a screwdriver
Spray jet pulsating or
unsteady
Level in material tank too low
Top-up material level (see operating instruc-
tions of plant systems manufacturer)
9
Disposal of Cleaning / Servicing Substances
Disposal of any such substances must be in accordance with all applicable local and
national regulations, directives and laws.
Warning
Pay special attention to all processing specifications and safety warnings issued by
the manufacturers of spraying and cleaning media. The improper disposal of any
toxic waste material represents a serious threat to the environment, i.e. to the health
of mankind and animal life.
10
Specification Data
Nozzle Sizes:
0.5 - 0.8 - 1.0 - 1.2 - 1.4 - 1.5 - 1.8 - 2.0 -
2.2 - 2.5 mm ø
Weight:
580 g
Connections:
Atomizing
Air
G
1/4
“
Control
Air
G
1/8
“
Material Inlet
G 1/4 “
Pressure Ranges:
Control Air Pressure
min. 4,5 bar
Material pressure
max. 10 bar
Atomizing Air
max. 8 bar
max. Operating Temperature
of Spray gun
80 °C
Sound Level
(measured at a distance
of 1 m from the spray gun)
86 dB (A)
Air Consumption:
Models PILOT WA 400 / 470-K and
WA 410 / 471-K
Models PILOT WA 420 / 472-K and
WA 430 / 473-K
Air control head: twelve-bore version
Air control head: low-pressure
Atomizing air
pressure
Air consumption
Air input of the spray
gun
Air consumption
1,0 bar
18,0 m
3
/h
1,0 bar
12,0 m
3
/h
2,0 bar
24,6 m
3
/h
2,0 bar
16,2 m
3
/h
3,0 bar
29,4 m
3
/h
3,0 bar
18,6 m
3
/h
4,0 bar
33,0 m
3
/h
4,0 bar
21,6 m
3
/h
5,0 bar
36,0 m
3
/h
4,5 bar
22,8 m
3
/h*
6,0 bar
39,0 m
3
/h
6,0 bar
26,4 m
3
/h
* The spraying pressure is 0.7 bar with an air input pressure of 4.5 bar.
Right to effect technical changes reserved.
Summary of Contents for PILOT WA 400
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