Control Board Replacement (273261) - Graco King E60 Operation

Repair
Control Board Board Replacement Replacement
Control Control Board Replacement
(273261)
(273261) (273261)
NOTICE NOTICE NOTICE
To avoid damage to the electric components, wear
grounding strap (Graco Part No. 112190 – not
supplied) and ground appropriately.
Overview
Overview Overview
The main control board assembly manages the
operation of the driver. It is permanently attached
to the electronics cover.
Tools Tools Tools Required Required Required
• 6 mm Hex Wrench
• Phillips Screwdriver (#1)
• Torque Wrench (15 ft-lb, 20 N•m)
14
Prepare Driver Prepare Prepare Driver Driver
1. Remove power from the driver. Follow
appropriate lock-out/tag-out procedures. Wait
five minutes before servicing.
2. Follow the Pressure Relief Procedure, page 8
3. Decouple the pump lower from the driver per the
system manual.
Disconnect Power Power Wires Wires
Disconnect Disconnect Power Wires
1. Remove the screws (J) and junction box cover
(Z) from the electrical junction box (Y). Remove
screw (Ys) and sleeve housing.
2. Disconnect wires from terminal bushings L1 and
L2.
3. Remove the ground lug and disconnect the green
ground wire.
4. Disconnect wires from the opposite side of the
disconnect in terminals labeled 2T1 and 4T2.
.
3A8124A