Graco XP70 Paint Sprayer User Manual


 
Setup
18 3A0420H
Air Motor Position
The air motor position must be set for the mix ratio of the
machine, which is defined by which two pumps are
mounted.
1. Verify that the correct pumps are mounted for your
mix ratio by volume. See chart in Bare Proportion-
ing Pump Packages on page 11.
2. Verify that the motor position is adjusted correctly
for that mix ratio.
Position Air Motor
There are specific positions for each fixed ratio setting.
To adjust the position of the air motor:
1. Loosen the eight fasteners and remove the two
pump guards.
2. Place wrench on adapter rod (104).
3. Use tool (70) to loosen the serrated yoke nut (V)
above the yoke (T).
4. Loosen the three nuts (P2) below the motor tie rods.
5. Grab the piston rod and slide the position of the
motor (E) until the indicator lines are aligned with
your ratio. See F
IG. 6.
6. Tighten the three nuts (P2) and yoke nut (V). Use
tool (70) to tighten the yoke nut.
7. Install the pump guards.
FIG. 6: Ratio indicators
indicator line
indicator line
r_258914_3a0420a_10b
pump guard
pump guard
fastener
fastener
r_258914_3a0420a_4a-1
NOTICE
Do not hit tie rods (P) with a steel hammer. Damage
to the air motor base may result.
T
V
r_571101_3a0420a_2a-2
104
T
E
piston rod
P2
V
r_258914_3a0420a_5a