Alpha Technologies VMX Series - Manual (Page 22)

22 017-940-B0-001, Rev. A
Fig. 3-1, SPI Cover Removal
3.0 Installation, continued
3.2 Service Power Inserter Connections
SPI Connection Procedure:
1. Ensure the SPI is unplugged from the power supply prior to removing cover.
2. Remove the two screws holding the cover to the SPI’s chassis.
3. Remove the SPI cover, exposing the circuit board and seizure screw
assembly.
4. Insert the coaxial termination into the output port on the bottom of the SPI and tighten the
nut snug.
5. Tighten the seizure screw to 4 Nm (35 in-lbs).
Fig. 3-2, Coaxial Cable Insertion and Securing
To prevent arcing, insert the center conductor (stinger) of the coaxial termination completely inside
the seizure screw assembly (5). Tighten to 4 Nm (35 in-lbs).
Seizure Screw
Assembly
2
3
1
CAUTION!