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C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-69
02.9631.0010
CONFIDENTIAL
15 Jan 98
3.3.5
Tilt / Pan Mechanism Maintenance
3.3.5.1
Tilt Mechanism Removal and Replacement
Parts:
1 EA
ASSY, PAN/TILT MECHANISM (22.1002.0001)
Tools:
Screwdriver, Phillips #1
Screwdriver, Phillips #2
Note: Pan and tilt mechanisms for VL2B and VL2C luminaires are
identical.
To remove and replace tilt mechanism:
Step 1.
Remove power to luminaire.
Step 2.
Remove head covers.
a. Remove 20, 6-32x5/16"PFB screws that secure head covers
to rails. Remove both head covers.
Step 3.
Disconnect all yoke termination board MTA connectors.
a. At yoke termination board (Figure 3-2), disconnect the
following IDC connectors:
1. Brightness/focus bulkhead four-pin connector at header
marked IRIS E.T. (rev. C board) or DIM EOT (rev. D
board).
2. Brightness/focus bulkhead six-pin connector at header
marked DIM IRIS (rev. C board) or DIM (rev.
D board).
3. Brightness/focus bulkhead six-pin connector at header
marked LENS.
4. Color filter bulkhead two-pin connector at header
marked O.T. (rev. C board) or BOT (rev. D board).
5. Color filter bulkhead four-pin connector at header
marked W1 E.T. (rev. C board) or in area marked WH1
(rev. D board).
6. Color filter bulkhead four-pin connector at header
marked W2 E.T. (rev. C board) or in area marked WH2
(rev. D board).
7. Color filter bulkhead six-pin connector at header marked
W1 (rev. C board) or WH1 (rev. D board).
8. Color filter bulkhead six-pin connector at header marked
W2 (rev. C board) or WH2 (rev. D board).
9
Gobo/beam projector four-pin connector at header
marked GOBO E.T. (rev. C board) or in area marked
GOBO (rev. D board).