Graco 3A4442B, Operation Manual

Page: 14 / 52

Start Up
14 3A4442B
7. Hold gun against grounded metal
flushing pail. Trigger gun and increase
fluid pressure 1/2 turn. Flush 1 minute.
8. Inspect for leaks. If leaks occur, perform
Pressure Relief Procedure , page 10.
Tighten fittings. Perform Start Up , steps
2 - 6. If no leaks, proceed to Prime
Pump , page 14.
Prime Pump
Prime the pump before placing the hopper
filter into the hopper.
1. Add 1-2 gallons (4-8 liters) of material to
the hopper.
2. Place drain tube deflector shield into
hopper or flushing pail.
Note: Keep
deflector shield wet once it is in use.
3. Turn ON/OFF switch to the ON position.
Turn prime valve down.
4. Increase pressure to start pump.
5. Install hopper filter by pushing it through
the material in the bottom of the hopper
until it is in place. Open end of the filter
should be pointed towards the pump
inlet.
6. Add remaining material to the hopper.
7. Turn VIBRA-FLO knob to maximum.
8. If the shaker is making excessive noise
turn the VIBRA-FLO knob to a lower
setting. Depending upon the supply
voltage the shaker may not operate if the
VIBRA-FLO is set too low.
9. Turn prime valve forward to SPRAY
position.
High-pressure spray is able to inject toxins
into the body and cause serious bodily
injury. Do not stop leaks with hand or rag.
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