Bunn FMD-4, FMD-5 service manual Lamp Holders, LAMP REPLACEMENT Refer to Fig, SERVICE cont

SERVICE (cont.)

LAMP HOLDERS

1
		3
		4
		6
2
5
		RINSE
		RELEASE
		THEN
		FULL,
	IS	2/3
	CUP
	UNTIL
	ON
	BUTT
RINSE	HOLD
	and
	PUSH
		P2638
FIG. 22 LAMP HOLDERS

1.	Door Assy	4.	Upper Panel
2.	Lamp Holders	5.	Lower Panel
3.	Lamp	6.	Starter W/Socket

Location:

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

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Remove upper door panel (4) and disconnect the door wiring harness from the leads on the lamp holders.

3.Remove lamp from lamp holders.

4.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 lower door panel (5) to the door (1) and remove cover.

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

4.Remove three #8-32 screws securing the upper door panel (4) to the door.

5.Remove the upper door cover (4), lamp (3), lamp holders (2) and door wiring harness as an assem- bly.

6.Disconnect the wires from the lamp holder to be replaced from the door wiring harness.

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

8.Remove the #6-32 screw securing the lamp holder

(2)to be removed, remove lamp holder (2) and discard.

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

10.Connect the wires on the new lamp holder to the door wiring harness.

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

12.Install upper door panel (4), lamp (3), lamp hold- ers (2) and door wiring harness as an assembly using three #8-32 screws.

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

14.Install the door lower panel (5) using six #8-32 screws.

LAMP REPLACEMENT (Refer to Fig. 22)

1.Open dispenser door (1).

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

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

4.Remove three #8-32 screws securing the upper door panel (4) to the door.

5.Remove the upper door cover (4), lamp (3), lamp holders (2) and door wiring harness as an assem- bly.

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

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

8.Install upper door panel (4), lamp (3), lamp hold- ers (2) and door wiring harness as an assembly using three #8-32 screws.

29 35135 012103