Graco Pro Xpc Instructions Manual page 5

3. Using the Phillips head screwdriver, loosen the
4 screws holding the front access cover in place
and carefully remove the front access cover.
4. Remove connections on the main board.
a. Remove the 3 green connectors (G) by hand.
Gently wiggle the connectors from side to
side to loosen and remove.
b. Unlock the 3 black connectors (B) using a
flat head screwdriver. Gently wiggle the
connectors from side to side to loosen and
remove by hand.
c. Remove the strain relief band from the 2
white ribbon cables (W). Unlock the ribbon
cables by gently wiggling the top of the
connector upwards until it snaps out of
position (the connector stays on the board).
Then gently pull the ribbon cable out of the
connector.
3A5188A
5. For easier service, remove the cable connections
to the power board (PB) and power supply
board (PS) (the power supply is in the controller
housing).
a. Remove the large green connector (LG) on
the power board. This is mounted below the
main board. Gently wiggle the connector
from side to side to loosen and remove by
hand.
b. Remove the white connector (WC) from
inside the controller housing that goes to the
power supply. Gently wiggle the connector
from side to side to loosen and remove by
hand.
6. The main board is held in place by 4 acorn nuts
(AC) and 4 washers. Using the 5 mm (7/32")
socket, remove the nuts and washers and
carefully lift the board off of the standoffs.
Repair
5