41
40
7.2
Replacement of Nozzles, Needles, Springs and Seals
For replacement of any of the following parts dismantle the spray gun in accordance
with
5.5 Replacement of Material Nozzle and Needle
:
•
Material Nozzle
•
Piston Spring
•
Material Needle*
•
Needle Spring*
•
Piston Sealing Collar*
•
Piston O-Ring*
Caution
Parts marked * must be lubricated with a non-acidic, non-resinogenic grease type /
grade prior to installation.
WALTHER Repair kits are also available for WA XV, WA XV needle-pull and
WA XV-HVLP spray guns. Wearing parts are also shown (in boldface) in the Listing
of Replacement Parts.
Repair kit-material side:
WA XV:
Art. No.: V 16 115 03 . . 3
WA XV needle pull:
Art. No.: V 16 116 03 . . 3
WA XV-HVLP:
Art. No.: V 16 117 03 . . 3
WA XV rotary jet:
Art. No.: V 16 115 21 . . 3
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 fou-
led or damaged
Packing gland too tight
Remove see
5.5 Material Nozzle or
Needle and clean or replace
Loosen packing gland slightly use a
Size 11 wrench
Gun fails to open
Control air pressure too low
Increase control air pressure to max.
8 bar (see operating Instructions of
plant systems manufacturer)
Spray jet pulsating
or unsteady
Level in material tank too low
Top-up material level (see operating
Instructions of plant systems manuf-
acturer)
Material leaks from
packing gland
Needle seal packing leaks
Packing gland to loose
Replace see
7.1 Needle Seal pak-
king
Tighten packing gland slightly use a
Size 11 mm wrench
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
Particular attention is drawn to all processing specifications and safety warnings
issued by the manufacturers of spraying and cleaning media. Remember: 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:
920 g/ 2 Ib
Connections:
Atomizing Air
G 1/4“
Control Air
G 1/4“
Material Inlet
G 3/8“
Pressure Ranges:
Control Air Pressure
max. 8 bar/ 116 psi
Material Pressure
max. 10 bar/ 145 psi (WA XV / WA XV rotary jet)
max. 15 bar/ 218 psi
(WA XV needle-pull / WA XV-HVLP)
Atomising Air Pressure
see table
max. Operating
Temperature
of Spray Gun
80°C/ 176°F
Sound Level
(measured at a distance of
1 m from the spray gun)
86 dB (A)
Air consumption (six-bore air cap):
Atomizing Air Input
Air consumption
1,0 bar/ 15 psi
8,2 m
3
/h
2,0 bar/ 29 psi
12,1 m
3
/h
3,0 bar/ 44 psi
16,0 m
3
/h
4,0 bar/ 58 psi
20,1 m
3
/h
5,0 bar/ 73 psi
24,0 m
3
/h
6,0 bar/ 87 psi
28,0 m
3
/h
Right to effect technical changes reserved.
