WALTHER PILOT PILOT WA 905, Operating Instructions Manual

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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 nozzle or needle
fouled
Material nozzle or needle
damaged
Packing screw (Item 12) too
tight
see 5.5 Retooling the Spray Gun
and cleaning
see 5.5 Replacing Material
Control Nozzle or Needle
Loosen packing screw 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 12)
in slightly with a screwdriver
Spray jet pulsa-
ting or unsteady
Level in material tank too
low
Top-up material level (see opera-
ting instructions 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
Weight
Automatic Spray Guns with internal control: 520 g
Automatic Spray Guns without int. control: 490 g
Adaptor plate Aluminium, nickel coated: 195 g
Adaptor plate stainless steel: 260 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: PU hose outer ø 8 mm
Control Air: PU hose outer ø 6 mm
Material Inlet: G 1/4“
Pressure Ranges
Control Air: mind. 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:
PILOT WA 900
PILOT WA 905
PILOT WA 920 HVLP*
PILOT WA 925 HVLP*
PILOT WA 940 HVLP
PLUS
**
PILOT WA 945 HVLP
PLUS
**
Air input of the
spray gun
round jet wide jet round jet wide jet round jet wide jet
1 bar 100 l/min 120 l/min 120 l/min 126 l/min 114 l/min 121 l/min
2 bar 165 l/min 183 l/min 188 l/min 203 l/min 172 l/min 188 l/min
3 bar 230 l/min 260 l/min 265 l/min 283 l/min 237 l/min 259 l/min
4 bar 290 l/min 325 l/min 332 l/min 358 l/min 303 l/min 325 l/min
4,5 bar 321 l/min 358 l/min 372 l/min 400 l/min 330 l/min 360 l/min
5 bar 345 l/min 395 l/min 414 l/min 441 l/min 365 l/min 400 l/min
PILOT WA 903-K / PILOT WA 908-K
PILOT WA 923-HVLP-K / PILOT WA 928-HVLP-K
Air input of the spray
gun
round jet wide jet
1 bar 75 l/min 145 l/min
2 bar 135 l/min 230 l/min
3 bar 190 l/min 325 l/min
4 bar 240 l/min 420 l/min
4,5 bar 295 l/min 510 l/min
5 bar 345 l/min 650 l/min
* The atomizing air pressure is 0,7 bar with an air input pressure of 3,3 bar.
** The atomizing air pressure is 1,3 bar with an air input pressure of 3,3 bar.
Right to effect technical changes reserved.