VARILITE VL4 - Page 8

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V
ARI
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ITE
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VL4
W
ASH
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL 02.9628.0010
7-Oct-97
Contents (continued)
Chapter 3. Maintenance Procedures (continued)
3.3.5 Electronics Chassis Maintenance ......................................................3-80
3.3.5.1 Arc Power Supply Removal and Replacement.............................3-80
3.3.5.2 Voltage Selector PCB Removal and Replacement.......................3-81
3.3.5.3 Voltage Selector PCB Fuses Removal and Replacement ............. 3-83
3.3.5.4 Low Voltage Supply and Universal Control PCB
Removal and Replacement.......................................................... 3-84
3.3.5.5 Motherboard Removal and Replacement..................................... 3-85
3.3.5.6 Pan Drive Assembly Removal and Replacement.......................... 3-87
3.3.5.7 Transformer Assembly Removal and Replacement......................3-89
3.3.5.8 Mounted Capacitor Removal and Replacement........................... 3-91
3.3.5.9 APS Control PCB Resistor/Diode
Removal and Replacement (
Shop Only
)......................................3-94
3.3.5.10 APS MJ10005 and IRF450 Transistor
Removal and Replacement (
Shop Only
)......................................3-95
3.3.5.11 Input Connector Removal and Replacement................................ 3-97
3.3.5.12 Stuck Truss Hook and Fastener Removal and Replacement ...... 3-100
3.3.6 Yoke Cables Maintenance .............................................................. 3-103
3.3.6.1 Yoke Cables and Lamp Wire Removal and Replacement........... 3-103
Chapter 4. Illustrated Parts Breakdown
4.1 Drawing Tree....................................................................................4-3
4.1.1
VL4
Wash Luminaire..........................................................................4-3
4.2 Parts Breakdown..............................................................................4-5
4.2.1 Hooks and Covers..............................................................................4-5
4.2.1.1 Hooks and Covers Assy................................................................4-5
4.2.2 Head Assembly...................................................................................4-6
4.2.2.1 Head Assy....................................................................................4-6
4.2.2.2 Dimmer/Filter/Douser Assy ..........................................................4-7
4.2.2.3 Blue/Amber Bulkhead Assy ........................................................4-10
4.2.2.4 Rear Bulkhead & Bulb Assy .......................................................4-12
4.2.2.5 Diffuser Mechanism Assy ...........................................................4-14
4.2.2.6 Yoke Rails & Covers Assy .........................................................4-16
4.2.2.7 Ignitor (IGN4) PCB Assy........................................................... 4-19
4.2.2.8 Connectorized Fan Assy .............................................................4-21
4.2.2.9 Tilt Mechanism Assy .................................................................. 4-22
4.2.2.10 Pan Drive Assy........................................................................... 4-24
4.2.2.11 Yoke Cable Term (YTB) PCB Assy ...........................................4-26
4.2.2.12 Yoke Bearing Frame Assy ..........................................................4-27
4.2.2.13 Yoke “A” 38 Inch Cable Assy.....................................................4-28
4.2.2.14 Yoke “B” 41 Inch Cable Assy.....................................................4-29
4.2.2.15 A & B Lamp Wire Assy.............................................................. 4-30