Cornelius FCB - 2 Flavor, Руководство по обслуживанию

Страница: 45 / 76

Pinnacle 2 and 4 Flavor Service Manual
C
HIP
C
HANGE
P
ROCEDURE
The purpose of this notice is to describe the proper method for changing a chip on the master board of a
Cornelius machine should it become necessary.
NOTE: Static electricity can destroy sensitive electronic circuits. Always wear static straps or
keep yourself grounded to the machine while working in the electronic boards.
Tools needed:
• 32 pin dip extractor (chip puller) 790327
Wrist ground strap 790326
1. Unplug machine.
2. Remove top panel on floor models. Open door to access the control box on the OC2 machine.
3. Remove lid to control box on.
4. Place the chip puller and new chip on the machine (chip still in the container).
5. Attach ground strap to the bare metal control box.
6. Carefully remove the new chip from shipping container. Save shipping container to pack old chip in.
7. Place chip puller on chip and gently squeeze until tool grips the chip.
8. Pull the chip puller straight up with a gentle end–to–end rocking motion to remove the chip. Place old
chip in the original container.
9. Pull the chip puller straight up with a gentle end–to–end rock-
ing motion to remove the chip. Place old chip in the original con-
tainer.
10. Carefully place new chip in the socket and make sure all pins are started in their holes. Press firmly
straight down on the chip until it is fully engaged in the socket. Note: Proper placement of the chip
can be confirmed by aligning the small indent on one end of the chip with the indent on the outline
that is drawn on the board.
11. Remove ground strap.
12. Replace control box lid.
13. Replace top machine panel or close access door.
14. Plug in machine.
15. Defrost both barrels.
16. Check Viscosity read. If both sides read 0 go to 17.
17. If either side reads other than 0, beater motor currents needs to be reset.
18. Turn machine on auto and check for normal operation.
19. Secure machine.
© 2003-2014, Cornelius Inc. - 41 - Publication Number: 560007298SER