Fuses; Service Shelf - S&C PureWave SMS-250 Operation And Maintenance

Components and Controls

Fuses

Service Shelf

12 S&C Instruction Sheet 659-520
Six fuses are located to the left of the circuit breakers. See Figure 11. Some are rated
differently from others because the ratings pertain to their application.
Fuses
Figure 11. Location of fuses.
To replace a fuse, no hardware is necessary. Pulling the fuse latch forward will open
the holder. The fuse will then be exposed for replacement.
The PCS enclosure is supplied with a shelf assembly to assist personnel in servicing or
monitoring the unit. The shelf-top and brackets are bolted on the inside of the enclosure
door. See Figure 12.
Shelf
top
Figure 12. Location of stowed shelf-top and brackets.
Shelf Assembly
Using a 13-mm hexagonal wrench, unbolt the four flange nuts located at the
STEP 1.
corners of the shelf-top.
(a) Unbolt the nuts holding the brackets. The nuts will be used to assemble
the shelf.
(b) Remove the shelf-top and brackets from the door.
Removal and placement of the shelf-top require careful attention so that mishandling,
which can lead to damage or personal injury, does not occur .
Shelf brackets
CAUTION