OpenOC16 with Z840 Host Computer Replacement

Prerequisites

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Standard FE Toolkit	1	-	-	-
2.5 mm Hex Drive Bit or Allen Key Wrench	1	-	-	-
3 mm Hex Drive Bit or Allen Key Wrench	1	-	-	-
Medium Phillips Blade Screw Driver	1	-	-	-
7 mm Hex Nut or Socket Driver	1	-	-	-
10 mm Hex Nut or Socket Driver	1	-	-	-

Table 3. Consumables
Item	Quantity	Effectivity	Part number	Manufacturer
Ty-Raps^® (Cable Ties)	As Required	-	-	-
GE Logo Label	1	-	5746013/5746013-2	-
GE Logo on Side Panel	1	-	5487051	-
GEHC Mark on Front	1	-	5487053	-

Table 5. Safety

POTENTIAL FOR INJURY TO SERVICE PERSONNEL
THE HOST COMPUTER CAN WEIGH IN EXCESS OF 55 POUNDS.
DEPENDING ON YOUR HEIGHT AND ACCESS TO EQUIPMENT REMOVAL/INSTALLATION, LIFTING ASSISTANCE MAY BE REQUIRED. USE YOUR JUDGMENT TO DETERMINE IF LIFT ASSIST OR A SECOND PERSON MAY BE REQUIRED TO ASSIST IN REMOVAL AND INSTALLATION.

TO PREVENT DAMAGE TO COMPONENTS WITHIN THE HOST COMPUTER, OBSERVE THE FOLLOWING ESD PRECAUTIONS:
- WORK ON A STATIC-FREE MAT.
- WEAR A STATIC STRAP TO ENSURE THAT ANY ACCUMULATED ELECTROSTATIC CHARGE IS DISCHARGED FROM YOUR BODY TO GROUND.
- CREATE A COMMON GROUND FOR THE EQUIPMENT YOU ARE WORKING ON BY CONNECTING THE STATIC-FREE MAT, STATIC STRAP AND PERIPHERAL UNITS TO THAT PIECE OF EQUIPMENT.
FOR FURTHER INFORMATION REGARDING ESD PROTECTION, REFER TO THE SAFETY CHAPTER IN THIS PUBLICATION

IN ORDER TO MEET EMC REQUIREMENTS, THE CHASSIS MODULES MUST BE PROPERLY INSTALLED AFTER SERVICING. CHECK THAT THE MODULES ARE MOUNTED FIRMLY IN PLACE AND LOCKED DOWN WHERE APPLICABLE.

FOLLOW ALL REQUIRED SAFETY AND PPE PROCEDURES CUSTOMARY FOR YOUR ORGANIZATION WHEN WORKING ON THIS PRODUCT.

Overview

This procedure shall be followed when replacing the Open Console with Z840 Host Computer.

Select one of the following methods to Power OFF the Operator Console:
1. If Applications are up, click on the Shut Down button and select Shutdown.
  
  The Operator Console monitor will display a 'Power Down' message when it is acceptable to power OFF the Operator Console.
2. If Applications are down, open a Unix Shell. Type: halt.
Power OFF the console at the front panel switch.
Apply LOTO.
Remove the top cover. Refer to Console Cover Removal and Installation.
Disconnect all cables attached to the computer. Make certain that all cables are properly labeled.

Figure 1. Console Rear View
Remove two screws that hold the host computer to the console chassis.

Figure 2. Remove Screws
Loosen (do not remove) the three (3) Hexagon Socket Flange Nuts (M4) holding the computer’s rear restraint bracket at the back of the Open Console chassis. Slide bracket away from computer and retighten nuts to keep bracket out of the way.

Figure 3. Computer Rear Restraint Bracket Hardware Location
Remove the three (3) Hexagon Socket Flanged Screws (M4 x 10 mm) holding the computer side restraint bracket at the side of the computer. Remove bracket from chassis and set aside.

Figure 4. Computer Side Restraint Bracket Hardware Removal
Tilt and slide the computer out the side of the chassis and set aside.

Figure 5. Host Computer (Z840) Removal

Replace the NIC Card with one from the original Host Computer according to Z840 NIC Card Replacement Then return to these instructions.

note: The System Option Licenses are tied to Host Computer’s Ethernet (eth0) MAC address. The NIC card can be exchanged if one is reasonably certain that the Host Computer failure is not related to the NIC card. This will allow for the reuse of System Option Licenses, otherwise new Licenses must be obtained.

Please order the GE logo when replace the Host Computer, place the GE Logo on the front and side of the computer covering up the HP logo. Also place the GEHC Mark black label over the HP model number on the front of the computer.

Figure 6. GE Logo and Label Locations
Fully slide the replacement computer into the chassis. The front of the computer should rest against the inside front of the chassis tray and the back of computer up against the chassis wall. Note: Make certain the computer is underneath the top restraint bracket (Location 3).

Figure 7. Host Computer Install
Loosen the three (3) Hexagon Flanged Nuts (M4) and slide the rear restraint bracket up against the rear of the computer. Tighten the three (3) Hexagon Flanged Nuts (M4).

Figure 8. Computer Rear Restraint Bracket Install

Torque each the three (3) Hexagon Flanged Nuts (M4) to:

2.3 N-m 1.7 lb-ft 20.4 lb-In 23.5 Kg-cm
Reinstall the side restraint bracket and slide it up against the side of the computer and tighten the three (3) Hexagon Flanged Button Head Screws (M4 x 10 mm) removed earlier.

Figure 9. Computer Side Restraint Bracket Install

Torque each the three (3) Hexagon Flanged Button Head Screws (M4 x 10 mm) to:

2.3 N-m 1.7 lb-ft 20.4 lb-In 23.5 Kg-cm
Re-Connect the power cable and all cable connectors. Refer to the Host Computer port label attached on the rear cover.
Power ON the Operator Console at the console’s front panel switch.
Verify that the host computer has powered up and is not displaying or sounding any errors.
In order to assure proper operation of the host computer it is necessary to perform software Load from Cold (LFC).
After completing the software LFC, make certain that you perform a final Save System State.

After completing the LFC procedure, perform a complete shutdown of the Operator Console and restart the system.
Reinstall the console covers.