Graco 273199 Repair Parts page 15

Installation
1. Install the new cover gasket (54) included in the
electronics cover kit. Reconnect all wires.
2. Install the electronics cover (50) and tighten all twelve
screws (20). Torque to 15-20 ft-lb (20-27 N•m).
Make sure all wires are positioned inside the cover
before installation. If the wires get pinched when the
cover screws are tightened, damage will occur.
3. Install the new junction box gasket (52).
4. Route the fan cable through the fan cord grip.
5. Connect the stripped fan wire to the motor wire and
crimp the wires together.
3A7940A
54
50
NOTICE
52
6. Connect the fan ground wire.
7. Use an adjustable wrench to tighten the fan cord grip
(C1).
8. Install the gasket (52), junction box sleeve (101), and
tighten the four bolts (20).
20
9. Install the junction box cover (5) and tighten the two
screws (6).
10. Install the wires into the disconnect switch (51) and
tighten the wire screws.
NOTE: The pump must be removed from the
system in order to calibrate correctly. The calibration
stroke length is longer than the operating stroke.
Leaving the pump attached will cause the motor rod
to contact the pump rod and it will not calibrate
correctly.
11. Plug in the power cord (Z), then turn on the sprayer
power switch (E).
Repair
52
101
20
15