Philips Vari-lite VL3500 Wash FX Luminaries, Руководство по обслуживанию

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M
AINTENANCE
P
ROCEDURES
: T
ILT
E
NCODER
R
EPLACEMENT
0 2 . 9 6 8 6 . 0 0 1 0 A 49
2
Tilt Encoder Replacement
Parts:
24.9661.9629
Repair Procedure
Step 1. Disconnect luminaire AC input cable from power source.
Step 2. As shown in Figure 2-17 , at the tilt-side leg, remove yoke leg cover by removing four 6-32 x
5/16" PTB screws.
Step 3. At tilt motor assembly, loosen four 10-32 x 1/2" PPZ screws.
Step 4. Remove belt from tilt pulley.
Step 5. Remove four 10-32 x 1/2" PPZ screws. Remove tensioning springs.
Step 6. Disconnect wiring and remove the tilt motor assembly.
Step 7. As shown in Figure 2-18 , at the tilt assembly, remove two 4-40 x 1/4" LG PPZ screws and
remove encoder PCB.
Step 8. Replace by performing steps 2 through 7 in reverse order.
Note: Make sure encoder disk passes through sensor when installing encoder PCB. Do not pinch
wiring during installation. When tightening four 10-32 x 1/2" PPZ screws that fasten the tilt motor
assembly, you must tighten then in a CLOCKWISE pattern starting with the screw in lower left-hand
side.
Figure 2-18: Tilt Encoder Replacement
Tilt Motor
Assembly
Springs
Tilt Encoder
Tilt Motor Assembly Detail
Yoke
Cover
1)
2)