Graco 231–406, Series A Instructions-Parts List Manual page 11

7. Hold a metal part of gun firmly against metal waste
container. See preceding WARNING! Trigger gun,
turn sprayer switch (F) on, and slowly increase
pressure until sprayer just starts. Keep gun trig-
gered until all air is forced out of system and
solvent flows freely from the. Release trigger and
engage gun safety latch.
NOTE: If the pump is hard to prime, open the drain
valve. When fluid comes from the valve, close it.
Proceed as in Step 7.
CAUTION
Do not run the sprayer dry for more than 30 seconds
to avoid damaging the pump packings.
8. Remove pump from pail. Disengage gun safety
latch and trigger gun to force solvent from hose.
Do not run pump dry for more than 30 seconds to
avoid damaging pump packings! Shut off sprayer.
9. Leave pressure drain valve (D) open until ready to
use sprayer again.
10. Clean filter screen (B) and reinstall it. Reinstall
bowl (A), hand tighten only.
Flushing
11. If you flushed with mineral spirits and are going to
use a water-base material, flush with soapy water
and then clean water. Relieve pressure.
E
B
C
Fig 6
A
F
D