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Installation, Operation, and Maintenance Manual # 509252 Rev R 81
1. Refer to Figure 19. Loosen the four M3 screen retaining screws three turns each.
Repeat, this time removing screws. Grasp the screen frame by both ends, taking
care not to twist or bend the screen itself, and remove screen assembly.
2. To replace existing screen or install a new one, place the screen assembly in
position.
3. Apply pressure to the frame only and press firmly into place. Install the four
screws alternately, working from side to side. Tighten each to a snug position;
finally tighten to 0.9 N-m (8 inch-lbs.) using a torque-controlled screwdriver.
Figure 20. RF Screen Screw Tightening Sequence
Lamp Bulb Removal/Replacement
1. Remove the screen as described in “I300M Screen Assembly
Removal/Replacement” on page 80.
2. Next, see Figure 21 on page 82. Using clean cotton gloves or lint free tissue, grasp
the lamp bulb at one end between the thumb and fingers and apply firm pressure
axially toward the opposite end. When the tip of the bulb has cleared its retaining
hole and is free to move past or along the end reflector, gently slide it up and out.
WARNING: During operation, the lamb bulb
and adjacent metal surfaces become very hot.
Operate the blower for about one minute to
cool hot surfaces.