Bunn HC-3 service manual Lamp Holder, Door Assy, Lamp Replacement Refer to Fig

SERVICE (cont.)

LAMP HOLDER

	1
		2
		3
		4
		5
6		2
	FIG. 16 LAMP HOLDERS	P1209.75

1.	Door Assy	4.	Upper Cover W/Reflec-
2.	Lamp Holders		tor
3.	Lamp	5.	Lower Cover

6.Starter W/Socket

Location:

The lamp holders are located on the front of the reflector behind the display panel.

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Disconnect the plugs on the door wiring harness from the connectors on the lamp holders.

3.Remove lamp from lamp holders.

4.Disconnect the two pin plugs of each lamp holder from the door wiring harness.

5.Check for continuity on each lead of the lamp holders.

If continuity is present as described, lamp holders are operating properly.

If continuity is not present as described replace the lamp holder.

Removal and Replacement:

1.Open dispenser door (1).

2.Remove the six #8-32 screws securing bottom door cover (5) to the door (1) and remove cover.

3.Disconnect the door wiring harness from the door interconnect wiring harness.

4.Remove eight #8-32 screws securing the upper door cover w/reflector (4) to the door.

5.Remove the upper door cover w/reflector (4), lamp (3), lamp holders (2) and door wiring har- ness as a assembly.

6.Rotate lamp (3) 90° and remove from lamp hold- ers (2).

7.Remove the #6-32 securing the lamp holder (2) to be removed, remove lamp holder (2) and discard.

8.Install new lamp holder (2) and secure with a #6- 32 screw.

9.Install lamp (3) into lamp holders (2) and turn 90° until the pins snap in place.

10.Install upper door cover w/reflector (4), lamp (3), lamp holders (2) and door wiring harness as a assembly using eight #8-32 screws.

11.Reconnect the plug on the door wiring harness to the connector on the door interconnect wiring harness.

12.Install the door bottom cover (5) using six #8-32 screws.

LAMP REPLACEMENT (Refer to Fig. 16)

1.Open the dispenser door (1).

2.Remove the upper door cover w/reflector (4), lamp (3), lamp holders (2) as an assembly.

3.Rotate lamp (3) 90° and remove from the lamp holders (2).

4.Insert new lamp (3) into lamp holders (2) and turn 90° until the pins snap in place.

5.Reinstall upper door cover w/reflector (4), new lamp (3) and lamp holders (2) on the door assy (1).

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