Inspection and Maintenance
5-26
750-392
CBEX-DE
5.20 — Front and Rear Access
Before opening the door, tighten the nut on the davit arm to create slight tension. This will prevent sagging and
facilitate opening of the door.
To open the front door:
Follow instructions in Section 5.7 to remove the burner drawer.
Remove the inner plate clamps. Remove the front clamp ring and the front head capscrews. (See figure below.)
The door can now be swung open.
After opening either door, check the gaskets and seating surfaces. Replace the door gaskets if they are hard or
brittle. Clean the sealing surfaces of the door and tube sheet. If the blanket insulation is torn away the insulation
will require replacing.
FIGURE 5-20. Opening front door
1. REMOVE BURNER DRAWER
2. REMOVE INNER PLATE CLAMPS
CLAMP
RING
3. REMOVE CLAMP RING AND DOOR CAPSCREWS
CAPSCREWS
FIGURE 5-21. Gasket, front & rear door
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