C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-103
02.9631.0010
CONFIDENTIAL
15 Jan 98
3.3.17 Arc Power Supply Maintenance
3.3.17.1 Arc Power Supply Removal and Replacement
Parts:
1 EA
ASSY, ARC POWER SUPPLY 400W (400 watt) (VL2B)
(22.1006.0002)
1 EA
ASSY, ARC POWER SUPPLY 400X (400 watts) (VL2B)
(22.1006.1002)
1 EA
ASSY, VL2C APS 600W (23.9637.0008)
Tools:
Screwdriver, Phillips #2
Notes:
•
APS units 400X and 400W are interchangeable, but their parts are not.
Do not try to exchange control or switch boards between 400X and
400W APS units.
•
APS 400W units are to be retrofitted into APS 400X units. As 400W
units fail, they should be returned for shop retrofit.
To remove and replace arc power supply (Figure 3-34):
Step 1.
Remove power to luminaire.
Step 2.
Open chassis lid.
a. At electronics chassis, remove six 10-32x3/8"PPB screws
that secure chassis lid to chassis and open chassis lid.
Step 3.
Remove APS power supply.
a. At APS power supply, disconnect all connectors.
6-32X3/8"PPB SCREW
APS ASSEMBLY
ELECTRONICS
CHASSIS
APS2C
Figure 3-34. Arc Power Supply Removal and Replacement