UM582127000 User Instructions
Issue AC, January 2, 2013 Spec. No. 582127000 (Model 721NPBB)
Page 28 Chapter 4. Troubleshooting and Repair
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Replacing a Bullet Nose Fuseholder
Procedure
Note: Refer to Figure 4-2 as this procedure is performed.
1) Open the distribution ca binet’s front door by turning the latch in the
counterclockwise position.
2) Remove the fuse carri er from the mounted fuseholder body by pulling it straight
out. Hold the fuseholder body while you pull the fuse carrier from the body.
3) Gently rock the defecti ve fuseholder up and down while pulling firmly outward
until the fuseholder is free from the distribution panel.
4) Orient the fusehold er as shown in Figure 4-2. Insert the terminals on the rear of
the fuseholder into their corresponding sockets on the distribution panel. Ensure
the alarm contact on the back of the fuseholder makes contact with the alarm
terminal on the spring strip. Push fuseholder in firmly until fully seated in the
distribution panel.
5) Push the fuse carrier s ecurely back into the mounted fuseholder body. Note that
a polarizing key on the bottom of the carrier prevents the carrier from being
inserted upside down.
6) Verify no Fuse Alarm s are active.
7) Close the distribut ion cabinet’s front door. Turn the latch clockwise to secure the
door.