Control Board Repair
3A5024B
7
ProContractor & ProComp
Models
Refer to the
Removal:
1.
Perform
2.
Turn the power switch (36) to
OFF
and
unplug the power cord to disconnect
power.
3.
Remove eleven screws (16) and the top
cover (31).
NOTE:
Be cautious not to damage the wires
that connect to the cover.
4.
Remove two screws (21) that mount the
TurboControl LED (20a) to the top cover.
5.
Peel foam gasket (90) back and remove
wires from power switch (36) and
potentiometer (47) from the wire bundle.
Refer to Fig. 1.
6.
For ProComp models, peel open foam
gasket (91) to remove wire bundle and
discard.
7.
Remove six screws (16), disconnect air
hose (18), and remove rear panel (22).
8.
Disconnect all leads going to and from
the control board (20). Refer to
9.
Remove the air line (19) going to control
board (20).
10. Remove four control board mounting
screws (21) and remove control board
(20).
Installation:
1.
Install new control board (20) using four
screws (21). Torque to 15-20 in-lbs (1.7
- 2.3 N•m).
2.
Connect the air line (19) to the control
board (20).
3.
Peel off the paper backing and place
sticky side of foam gasket (88) onto the
TurboControl LED (20a). Install
mounting screws (21) to top cover (31).
Torque to 15-20 in-lbs (1.7 - 2.3 N•m).
4.
Route ribbon cable from TurboControl
LED (20a), wires from potentiometer
(47), and wires from power switch (36)
through the foam gasket (90) as shown.
Place sticky side of foam gasket (90)
down onto the TurboControl LED (20a).
Refer to Fig. 1.
5.
For ProComp models, wrap foam gasket
(91) around the wire bundle to protect
against damage from the compressor
power switch (77).
6.
Connect all leads going to and from the
control board (20). Refer to
and
7.
Connect air hose (18) to rear panel (22)
and install using six screws (16). Torque
to 20-25 in-lbs (2.5 - 3.0 N•m).
8.
Install top cover (31) using eleven
screws (16). Torque to 20-25 in-lbs (2.5
- 3.0 N•m).
Fig. 1
47
36
90
90
90
ProComp Models
90
91
91
ti31348a
