Graco 3A4133 Operation - Repair - Parts page 24

Operation
7. Stop triggering gun. Move gun to waste
pail, hold gun against pail, trigger gun to
thoroughly flush system.
8. While continuing to trigger gun, turn
prime valve down. Then, release gun
trigger. Allow flushing fluid to circulate
until fluid comes out of drain tube clear.
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24
9. Raise fluid intake above flushing fluid.
10. Turn prime valve horizontal. Trigger gun
into flushing pail to purge fluid from hose.
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3A4187C