Graco Magnum SR7 Operation page 14

Rolling
Setup
• Follow Priming instructions, beginning on page 8,
prior to assembling roller.
1. If installed, remove tip and guard assembly from
gun.
2. Make sure gasket is in place in bottom of roller
frame.
3. Attach pressure roller
assembly to gun.
4. Rest roller on flat surface
and align gun with roller.
Tighten nut with wrench
while keeping gun and roller
aligned.
14
5. Turn Pressure Control Knob to
ROLL.
6. Unlock gun trigger safety. Trigger
gun. Roll surface until paint is
fully dispersed on roller. This may
take a minute.
• Trigger gun briefly only when you need more
paint.
• The best operating pressure is the lowest pres-
sure that provides an even paint supply to the
roller. This typically does not exceed 300 psi
ti9339a
(2.1 MPa, 21 bar).
7. Increase pressure only if triggering gun does not
supply enough paint for your rolling speed.
8. Whenever you stop painting, relieve pressure,
page 7 and elevate roller end of extension tube to
prevent paint from draining out.
ti9650a
9. Flush the pump, gun and pressure roller immedi-
ately after each use to prevent paint from drying in
the pressure roller and damaging it. See Shutdown
and Cleaning, beginning on page 16.
Rolling
ti8922a
311984A