/80(1,6),(/'6(59,&(%8//(7,1
3. Inspect/repair the cable harness.
Inspect the cable harness from the CPU board to Rear Panel I/O board near and around the backside
of the water pump motor. Repair the cable harness if the heat-shrink tubing and/or insulation are
worn through. Add a tie-wrap to the cable harness at the through-hole above the circuit breaker to
keep the cable harness off the motor.
4. Inspect the coolant fill tank tube near and around the backside of the water pump motor.
This tube is short, so add a tie-wrap to the tubing at the through-hole above the circuit breaker or
wherever convenient to keep the tube off the motor.
NOTE: Take care to not stretch or kink the tubing.
5. Replace the rear panel assembly mounting hardware, side covers and top cover.
6. Locate U63 on the CPU board and check the revision on the lable.
U63 is at the bottom of the board, just right of center. If the revision is “D”, skip to step 9.
7. Remove the CPU board and locate U63.
Be sure to use approved ESD methods.
8. Remove the IC from socket U63 and carefully insert the revision “D” EPROM into the socket U63.
Pin 1 is top left of socket. Reinstall the CPU board.
9. Close the front door, connect the system power cord mains and turn on.
10.Verify the output power calibration per Section 3.6.2 and perform the Operational & Safety Checkout
per Section 3.7 of the Service Manual.
Report the completion of the retrofit using Service Action Code (SAC) VP9800N on the System Certification
(Service Report).
VERSAPULSE POWERSUITE FSB # 2: CONT.
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