Wagner SprayTech HC970 Paint Sprayer User Manual


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38 
GB
Cleaning the unit (shutting down)
8. Cleaning the unit (shutting down)
A clean state is the best method of ensuring operation without

circumstances may any remaining coating material dry and harden in
the unit.


 
spray gun.
Clean and remove tip.
For a standard tip, refer to page 43, point 11.2.
If a non-standard tip is installed, proceed according to the relevant
operating manual.
1. Push locking pin and swivel material feed pump out of
coating material.
2. Pull the trigger of the spray gun in order to pump the
remaining coating material from the suction tube, high-
pressure hose and the spray gun into an open container.
Attention
The container must be earthed in case of coating
materials which contain solvents.
Caution! Do not pump or spray into a container with
a small opening (bunghole)!
Refer to the safety regulations.
3. Push locking pin and swivel material feed pump to a container
with suitable cleaning agent.
 k
Circulation).
5. Pump a suitable cleaning agent in the circuit for a few
minutes.
 p spray).
 
until the unit is empty.
 k
Circulation).
9. Move the hydraulic ball valve on the material feed pump to its
horzontal position (closed).
 
8.1 Cleaning the unit from the outside
Gasoline units — Switch o the gasoline engine and
let it cool down.
Electric units — Unplug the mains plug from the
socket.
Danger of short-circuits through penetrating water.
Never spray down the unit with high-pressure or
high-pressure steam cleaners.
Attention
Do not put the high-pressure hose into solvents.
Use only a wet cloth to wipe down the outside of the
hose.
Wipe the unit o with a cloth soaked in a suitable cleaning agent.
8.2 Cleaning the high-pressure lter
Clean the lter cartridge regularly.
A soiled or clogged high-pressure lter can cause a poor spray
pattern or a clogged tip.
Disassembly
1. Move the hydraulic ball valve on the material feed pump to its
horzontal position (closed).
Flow of hydraulic oil to hydraulic motor of material feed pump
is interrupted.
 k
Circulation).
 
 
5. Pull lter cartridge (3) out of housing (8).
6. Clean the pressure spring (2) and lter cartridge (3) with an
appropriate cleaning agent, clean the inside of the housing (8)
and housing cover (1).
 
cartridge, if necessary.
 

9. Always replace O-ring (6) after removal.
10. Pull o pressure spring (2) from housing cover (1).
Measure length of pressure spring, and replace if shorter than
19 mm.
Assembly
 
the housing (8).
 
3. Insert lter cartridge (3).
4. Place thin seal (5) on threaded section of housing (8).
5. Place thick seal (4) on top of thin seal (5).
6. Slide pressure spring (2) onto housing cover pin (2).
 
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