41
40
•
Needle Spring*
•
Piston Sealing Collar
*
•
O-Ring of the Piston*
Notice
Parts marked with * must be lubricated with non-acidic, non-resinogenic grease prior
to installation.
WALTHER Spritz- und Lackiersysteme repair kits are available for PILOT
WA 7XX-series spray guns including all wearing parts:
Parts No.: V 16 207 00 . . 3 (WA 700 / WA 710)
Parts No.: V 16 207 20 . . 3 (WA 720 / WA 730)
Parts No.: V 16 207 40 . . 3 (WA 740 / WA 750)
Parts No.: V 16 207 03 . . 3 (WA 703 / WA 713)
Parts No.: V 16 207 23 . . 3 (WA 723 / WA 733)
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
unpressurized 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 nozzle or needle
fouled
Material nozzle or needle
damaged
Packing screw too tight
see
5.6 Retooling the Spray Gun and
cleaning
see
7.2 Replacing Material
Control
Nozzle or Needle
Loosen packing screw (Item 15) in
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 packing leaks
Packing screw too loose
see
7.1 Replacing Needle
Packing
Tighten packing screw (Item 15) in
slightly with a screwdriver
Spray jet pulsating
or unsteady
Level in material tank too
low
Top-up material level (see operating
instructions of plant systems manufac-
turer)
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
Weight:
729 g
Nozzle Sizes:
▪
0,3
▪
0,5
▪
0,8
▪
1,0
▪
1,2
▪
1,5
▪
1,8
▪
2,0
▪
2,2
▪
2,5
▪
3,0
▪ 3,5 mm ø
Connections:
Atomizing Air
G 1/8 “
Control Air
G 1/8 “
Material Inlet
G 1/4 “
Pressure Ranges:
Control Air
min. 4,5 bar
Material pressure
max. 8 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
:
Air cap
Air input of the
Air consumption
spray gun
Air consumption
PILOT WA 700 / 710
1031
4,0 bar
360 L/min.
PILOT WA 720 / 730
HVLP
1061
3,5 bar
340 L/min.
PILOT WA 740 / 750
HVLP
PLUS
1060
3,4 bar
290 L/min.
PILOT WA 723 / 733
HVLP adhesive
1055 K
3,4 bar
310 L/min.
Right to effect technical changes reserved.
