User Manual

Table Of Contents
17
Installation Guide 98-1135 Rev AA 93
Sprague GPR-P Index Cover
& GPR Install
U WARNING: Before performing the following steps, determine the direction that the GPR will
face. The GPR must face away from nearby walls and toward the nearest MCC or
Concentrator. Refer to Appendix D for instructions on how to set the direction that the GPR
will face.
1. Arrange the GPR Pulse Input and Battery Interface cables as shown in Figure 17 - 1. The cables
must not interfere with or block the GPR antenna.
A CAUTION: The GPR Pulse Interface cable must be inserted into the GPR enclosure strain
relief slot as shown. The shrink tubing on the cable must be inserted into the strain relief slot.
Figure 17 - 1. Pulse Interface Cable’s Shrink Tubing Must Route Through GPR Strain Relief Slot
2. Install the GPR cover using the four security Torx screws included with the GPR. The cover
must be installed with the gasket tab inserted into the strain relief slot located at the bottom left
corner of the GPR enclosure as shown in the following figures.
Figure 17 - 2. GPR Cover Gasket Tab and Cover Strain Relief Slot
3. Tighten the screws to 13.0 inch-pounds (± 1.0 inch-pound).