Electric Motor - Graco EnergyComplete 313221H Instructions - Parts Manual

Electric Motor

Test Motor
If motor is not locked up by pumps, it can be tested
using a 9 V battery. Open recirculating valves, discon-
nect J4 or J11 from control board, see F
Touch jumpers from battery to motor connections. Motor
should turn slowly and smoothly.
Removal
1. See Before Beginning Repair, page 33. Relieve
pressure, page 21.
2. Remove four screws (207) and shroud (206). See
F . 14.
IG
3. Remove drive housing/pump assemblies, page 42.
4. Disconnect motor cables as follows:
a. Find control board at back of control module,
see F . 12, page 40.
IG
b. Unplug motor power connector from J11 (120 V
units).
c. Unplug motor temp switch harness from con-
nector J7.
d. Unplug cable (37) from fan (202). See F
on page 47.
e. Thread motor power switch harness out bottom
of control module and cable channel, to free
motor.
NOTICE
Motor is heavy. Two people may be required to lift.
5. Remove screws holding motor to bracket. Lift motor
off unit.
44
Installation
1. If replacing motor, install fan assembly and fan
. 12, page 40.
IG
2. Place motor and fan on unit. Thread motor switch
3. Fasten motor with screws underneath. Do not
4. Plug 3-pin connector J7 to board.
5. Plug Motor Power switch harness to connector J11
6. Install drive housing/pump assemblies, page 42.
7. Tighten motor mounting screws.
8. Return to service.
. 22
IG
mount threaded bushing on new motor.
harness into control module.
tighten yet.
(120 V units).
Reconnect inlet assemblies to pumps.
Repair
313221H