Bay-O-Net Fuse Replacement Instruction (Fig. 17 B); Dry-Well Canister Fuses - DAELIM GREEN EP TECH Operation & Maintenance Manual

Bay-O-Net fuse replacement instruction (Fig. 20 B):
1. Reliefpressureinthetransformertankbypullingoutthepressurereliefvalvefor30secondsoruntil
the hissing sound of the valve stops.
2. Repeat step 1 to insure any residual pressure is released.
3. Attach a hot stick to the fuse holder eye and twist to unlock
4. Turn fuse holder 90° to break seal gasket and Bay-O-Net housing.
5. Draw fuse holder out quickly 8-10 inches to interrupt load
6. Wait several seconds for fluid to drain from the fuse holder and remove from housing
7. Remove fuse cartridge from fuse cartridge holder using a ¾" wrench.
8. Remove end plug using a ¾" and a ½" wrench
9. Replace the fuse

Dry-Well Canister Fuses

The dry-well housing (Fig. 21 A & B) consists of filament-wound glass tubing with a resin-rich outer surface,
this outer surface serves as the barrier against oil permeation through the tubing wall.
The current limiting fuse that these fuse-holders are designed to accept will not function properly if exposed
to transformer oil; the interior of the fuse holder must remain oil tight.
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BEIJING DAELIM GREEN EP TECH CO., LTD.
Fig.20B
Fig. 21A
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