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Caution
Do not use any hard or sharp-pointed objects when cleaning the spray gun, as the pre-
cision-made parts can easily be damaged and are likely to affect your spraying results.
Only use cleaning solutions recommended by the manufacturer of the spraying
material. These solutions should not contain any of the following constituents:
•
halogenated hydrocarbons (e.g. 1,1,1-trichloroethane, methylene chloride etc.)
•
acids and acidic cleaning solutions
•
regenerated solvents (so-called cleaning dilutions)
•
paint removers.
These constituents cause chemical reactions with electroplated components resul-
ting in corrosion damage.
WALTHER Spritz-und Lackiersysteme GmbH is not liable for any damages resulting
from improper treatment of the gun.
The spray gun should be cleaned
•
at least once a week
•
as often as necessary in a week depending on the spraying medium used and
the resulting level of soiling.
1.
Dismantle the gun as described in section 5.5 Retooling the Spray Gun.
2.
Clean the air control head and nozzle with a brush dipped in the recommended
cleaning solution.
3.
Clean the gun body and all remaining parts with a soft cloth and the recommen-
ded cleaning solution.
4.
Apply a thin layer of grease to the following parts:
•
Material needle
•
Needle Spring
•
All sliding parts and bearings.
•
The moveable inner parts should be greased at least once a week.
•
The springs should at all times be coated with a thin layer of grease.
Use non-acidic, non-resinogenic grease and a brush. The spray gun is then
reassembled in reverse order.
6.3
Routine Cleaning
It is not always necessary to dismantle the spray gun for cleaning purposes when the
material is changed or at the end of a work period.
For routine cleaning purposes please observe the following steps:
1.
Fill the cleaned gravity feed cup/syphon feed cup/pressure feed cup or the cleaned
material pressure tank with a cleaning medium compatible with the material
processed.
2.
Start the spray gun (see 5.2 Requirements at the Start and Finish of Operation).
3.
Do not stop the gun until only clear cleaning solution emerges from the nozzle.
The complete spraying system should stay depressurised until the gun is used again.
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7
Repairs / Replacements
Warning
Control and atomising air as well as material inputs must be shut off prior to retooling
- risk of injury.
Note
Please refer to the exploded view at the beginning of this manual to perform the
steps detailed below.
7.1
Replacement of Defective Needle Seal Packing
1.
Remove the material needle (see 5.5 Retooling the Spray Gun).
2.
Unscrew the compression gland (Item 9) from the gun body.
3.
Remove the needle seal packing (Item 6) (Use a thin wire, one end of which is
bent into a hook, for this purpose).
Reassembly of replacement parts is performed in reverse order.
Note
The needle seal packings which have been removed from the gun should not be
re-used, since the sealing properties may be impaired.
7.2
Replacement of Material Nozzle, Needles and Seals
Dismantle the spray gun in accordance with 5.5 Retooling the Spray Gun:
Note
All moveable and sliding parts should be lubricated with a non-acidic, non-resinoge-
nic grease prior to assembly.
Repair Kit:
A repair kit is available from WALTHER for the hand-held spray gun PILOT XIII con-
taining a set of all wearing parts. In the parts list all wearing parts are printed in bold.
Item No. Repair Kit:
V1601303xx3
Repair Kit:
A repair kit is available from WALTHER for the hand-held spray gun PILOT XIII-HVLP
containing a set of all wearing parts. In the parts list all wearing parts are printed in
bold.
Item No. Repair Kit:
V1601403xx3
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