Graco 980 Instructions Manual page 8

Non-bleeder style turbine spray guns
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Adjust the Spray Pattern
Select fluid set for fluid to be sprayed. If needed, see
page 10 to determine correct fluid set.
WARNING
Do not exceed the gun's 50 psi (0.35 MPa,
3.5 bar) Maximum Inlet Fluid Pressure and
100 psi (0.7 MPa, 7 bar) Maximum Inlet Air
Pressure. Higher pressures can cause parts to
rupture and result in serious injury or property
damage.
Establish the Correct Fluid Flow
1. Turn fluid adjustment knob (21) counterclockwise
until no restriction of trigger movement is felt.
See Fig. 6.
Fig. 6
2. For remote pressure pot, hold gun parallel to floor
and adjust fluid pressure at 8 to 10 inch (203 to
254 mm) fluid stream. See Fig. 7.
For 2-quart remote pressure pot:
Set at 4 to 6 psi (0.28 to 0.42 bar).
1
For 2
/
-gallon remote pressure pot:
2
Set at 8 to 10 psi (0.56 to 0.70 bar).
NOTE: Heavier fluids or longer fluid hoses require
greater pressures.
8
308810
Setup
21
8070A
WARNING
Over-pressurizing the accessory remote pres-
sure pots can cause serious injury. To reduce
the risk, never exceed 50 psi (0.35 MPa,
3.5 bar) Maximum Inlet Fluid Pressure.
8 to 10 in.
(203 to 254 mm)
Fig. 7
3. If further gun fluid adjustment is needed, turn fluid
adjustment knob (21) clockwise to reduce volume
of fluid output. See Fig. 8.
Fig. 8
CAUTION
Restricting the trigger and fluid needle travel by
continuously spraying with the fluid adjustment
knob closed (turned clockwise), will cause
accelerated abrasive wear on the fluid needle and
wear on the trigger.
For best results, adjust fluid flow at the pressure
source or use a different size needle/nozzle/air cap
combination.
8071A
21
8072A

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