Replacing Ar Glass - PRG Best Boy 4000 Service Manual

Replacing AR Glass

Parts:
41.9816.0606 / 2.37493-R15
Tools & Supplies:
#2 Phillips screwdriver
Cotton gloves or finger cots
Dow Corning #3145 RTV Adhesive (06.6003.0001.0)
Loctite #246 (06.6019.0001.01)
WARNING: Remove power from luminaire before performing any maintenance procedures.
To replace the AR glass:
Step 1. Remove power from lamp and allow lamp to cool for at least 5 minutes.
Step 2. Remove Head Covers. (Refer to
Step 3. Remove Wheel Stack. (Refer to
Step 4. Remove Aft Bulkhead Cover by removing fourteen 6-32 x 5/16" PFB screws (Figure 3-41).
Step 5. Remove AR Glass.
Step 6. Clean away old adhesive.
Step 7. Apply #3145 RTV adhesive around hole as shown in Figure 3-41.
CAUTION: Wear cotton gloves or finger cots while handling glass filters.
Step 8. Install new AR Glass. Allow adhesive to dry.
Step 9. Re-install Aft Bulkhead Cover. Apply Loctite 246 to threads of all screws.
torquing!
Step 10. Re-install Wheel Stack into Head Assembly.
Step 11. Re-install Head Covers.
®
70 BEST BOY 4000 SPOT LUMINAIRE FIELD SERVICE MANUAL
1 EA LENS, COVER, AFT BULKHEAD (AR GLASS)
"Removing Head Covers"
"Replacing Wheel Stack"
on page 24.)
on page 53.)
Hand tighten all screws before