Replacing a Fuse in a RMX-10151 Single-Phase Power Distribution Unit in the RMX-10102 Side Compartment
- Updated2024-10-21
- 3 minute(s) read
- Power off the RMX-10102 by flipping the main disconnect branch breaker to off.
- If your RMX-10102 utilizes a UPS to provide backup power to Phase 1 powered components, press the power button on the UPS to power it down.
- Disconnect the RMX-10102 from facility power.
Shipping Kit Part Number | Description |
---|---|
789460-01 | 6.3 A, 3AB Fuse |
789461-01 | 12.0 A, 5 mm × 20 mm Fuse |
789089-01 | 12.5 A, 5 mm × 20 mm Fuse |
Equipment
- 3 mm hex wrench
- #2 Phillips head screwdriver, 1.30 N · m (11.5 lb. · in.)
- #2 Phillips head screwdriver, 1.92 N · m (17.0 lb. · in.)
- T10 Torx head screwdriver, 0.76 N · m (6.7 lb. · in.)
- T25 Torx head screwdriver, 2.49 N · m (22.0 lb. · in.)
- T8 Torx head screwdriver, 0.76 N · m (6.7 lb. · in.)
- Remove the left side panel of the RMX-10102 using the 3 mm hex wrench.
- Disconnect all cables connected to the RMX-10151 Single-Phase power distribution unit (PDU).
-
Unscrew the ground cable ring lug from the hinge bracket using the 1.30 N · m #2 Phillips head screwdriver.
- Hinge bracket
- Ground cable
- RMX-10151 Single-Phase PDU top and bottom mount brackets
- If necessary, create easier access to the RMX-10151 Single-Phase PDU by swinging out the hinge bracket using the 1.92 N · m #2 Phillips head screwdriver to unscrew the two panel fasteners.
- If necessary, unscrew the AUX DC PDU communication cable ring lugs from the RMX-10151 Single-Phase PDU using the T10 Torx head screwdriver.
-
Unscrew the four screws that mount the RMX-10151
Single-Phase PDU to the top and bottom mount brackets using the T25 Torx head
screwdriver.
- Remove the RMX-10151 Single-Phase PDU from the RMX-10102.
-
Unscrew the ten screws securing the cover to the RMX-10151 Single-Phase PDU using the T8 Torx head screwdriver and
remove the cover.
- Locate the fuse to be replaced on the circuit card assembly.
- Replace the fuse on the circuit card assembly using the new fuse kit.
- Screw in the ten screws to reinstall the cover on the RMX-10151 Single-Phase PDU using the T8 Torx head screwdriver.
- Position the RMX-10151 Single-Phase PDU in the RMX-10102 by aligning the two pilot pins at the top and bottom mount brackets.
- Screw in the four screws to mount the RMX-10151 Single-Phase PDU to the top and bottom mount brackets using the T25 Torx head screwdriver.
- If necessary, screw in the AUX DC PDU communication cable ring lugs to the RMX-10151 Single-Phase PDU using the T10 Torx head screwdriver.
- If necessary, swing the hinge bracket back to its original position and screw in the two panel fasteners using the 1.92 N · m #2 Phillips head screwdriver.
- Screw in the ground cable ring lug to the hinge bracket using the 1.30 N · m #2 Phillips head screwdriver.
- Reconnect all cables to the RMX-10151 Single-Phase PDU.
- Reinstall the left side panel of the RMX-10102 using the 3 mm hex wrench.