Sun Microsystems 220R service manual Removing and Replacing Miscellaneous Assemblies 159

	5.2	How to Replace the UltraSCSI Backplane 144
		5.2.1	Before You Begin		144
		5.2.2	What to Do	144
		5.2.3	What Next	146
	5.3	How to Remove the Power Distribution Board					147
		5.3.1	Before You Begin		147
		5.3.2	What to Do	147
		5.3.3	What Next	151
	5.4	How to Replace the Power Distribution Board					151
		5.4.1	Before You Begin		151
		5.4.2	What to Do	152
		5.4.3	What Next	155
	5.5	How to Connect the System Cables				155
		5.5.1	Before You Begin		155
		5.5.2	What to Do	155
		5.5.3	Cable Connectors and Routing			156
		5.5.4	What Next	158
6.	Removing and Replacing Miscellaneous Assemblies						159
	6.1	How to Remove a Power Supply 160
		6.1.1	Before You Begin		160
		6.1.2	What to Do	160
		6.1.3	What Next	161

6.2 How to Install a Power Supply 162

	6.2.1	Before You Begin		162
	6.2.2	What to Do	162
	6.2.3	What Next	164
6.3	How to Remove the Fan Tray Assembly 164
	6.3.1	Before You Begin		164

Contents 9