M
AINTENANCE
: M
AINTENANCE
P
ROCEDURES
2
02.9676.0022 0
09-December-2004
27
100MM Condenser Lens Assembly Replacement
Parts:
22.9671.0402
100MM CONDENSER LENS ASSEMBLY
To remove and replace 100MM condenser lens assembly:
WARNING:
All maintenance procedures are to be performed with power removed
from the luminaire.
Step 1. Disconnect luminaire AC input cable from power source.
Step 2. Remove front internal head assembly. Refer to
“Front Assembly Removal”
on page 22
.
Step 3. Remove concave lens assembly. Refer to
“Concave Lens Assembly
Replacement” on page 24
.
Step 4. Remove convex lens assembly. Refer to
“Convex Lens Assembly
Replacement” on page 25
.
Note:
Before removing shaft collets, note orientation for use during re-installation.
Step 5. Using 5/64 " Allen wrench, loosen eight setscrews (two each collect), and
remove four shaft collets and four wave spring washers from lens shafts
(
Figure 2-11
).
CAUTION:
Do not touch lens with bare fingers. Wear cotton gloves or other
covering while replacing.
Step 6. Remove 100MM condenser lens assembly from lens shafts.
Step 7. Slide replacement 100MM condenser lens assembly onto lens shafts.
Step 8. Re-install four wave spring washers on lens shafts.
Step 9. Re-install four shaft collets on lens shafts.
Note:
Ensure wave spring washers are compressed before tightening shaft collet set-
screws.
Step 10. Slide shaft collet down on lens shaft until wave spring washer is compressed.
Step 11. Apply Loctite #242 to threads of setscrews, and using 5/64" Allen wrench,
tighten setscrews to secure shaft collet to base of lens shaft.
Step 12. Repeat steps 10 and 11 for remaining three shaft collets.
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