Operation

v.

Production Spraying

VI. Shutting Down the System

You are now ready for production spraying. If you stop spraying for more than 30 minutes, turn off the heater to prevent overheating the fluid.

Shut down the system at the end of the work shift and before checking, adjusting, cleaning, or repairing the system. Always follow the Pressure Reiief Procedure on page 8.

Flushing

When to Flush

Before the first use

When changing colors

Before fluid can dry or settle out in a dormant s y s t e m

Before storing the system

II.How to Flush

See Fig. 10.

you flush, be sure the heater is turned off and the fluid has cooled. This is to reduce the risk of a fire or explosion and serious injury.

1 . Turn off the heater (3), and allow the system to cool .

2 . Remove the air cap from the gun, and clean sepa- rately. Do not reinstall at this time.

3 . Open the filter drain valve (48). Unscrew the fluid filter (45) bowl. Remove the screen. See manual ‘307-273. Reinstall the bowl without the screen.

4 . Hook the drain hose (13) on the waste pail.

5 . Turn the 3-way valve (9) to Drain.

6 . Turn the needle valve (5) all the way out (counterclockwise).

7. Put the suction tube (15) in a grounded pail with about 1 gallon (4 liter) of a compatible solvent.

8 . Make sure the air regulators (6a,6b) and master air valves (A) are closed.

NOTE: The gun air regulator (6b) always stays closed during flushing.

9 . Make sure the fluid regulator (44) is open (turned in) to allow fluid flow.

10. Connect the air line (C) to the pump.

 

11. Open the master air valves (A).

.

 

12.Slowly open the pump air regulator (6b) until the pump starts.

13.Hold the gun against a grounded metal waste pail. Trigger the gun slowly. The gun will emit air until the fluid arrives. When solvent appears, release the trigger.

10308-448

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Haier 237410 manual Flushing, Production Spraying VI. Shutting Down the System, When to Flush, II. How to Flush