User Manual

1600 Alabama Highway 229, Tallassee AL 36078 [phone]
screwdriver and hammer. The blade of the screwdriver
needs to be 1/8” to 3/16” wide.
2 Place the end of the screwdriver in the center of the
tamper nail as shown in Figure 7.
Figure 7 Screwdriver in Tamper Nail
3 Use the hammer to drive the screwdriver through the head
of the tamper nail. The head of the tamper nail will shear
off and the body of the tamper nail will fall out underneath
the battery.
4 Pull up on the battery housing to unsnap the battery
5 Slide the battery pack up over the antenna shaft.
6 Snap in the new battery by sliding it down over the
antenna (see Figure 8). Press down on the battery housing
until you hear the snaps engage.
Figure 8 Sliding Battery over Antenna
Maintenance and Troubleshooting
20 R900i SP Inside and Pit Installation and Maintenance Guide
7 Push in a new tamper nail (see Figure 9) until it snaps in
place. Use of a hammer or other device may be necessary to
force the tamper nail into position.
8 Reactivate the R900i SP as described in Step 3 on
page 13. For help on how to position and activate the MIU,
refer to Step 8 on page 12.
Figure 9 Pushing in New Tamper Nail
Replacing the MIU Battery (R900i SP Pit Version)
Removing the Battery Assembly:
1 Remove the tamper seal pin by using a hammer and a
screwdriver or a spring loaded punch to drive out the seal pin
located in the tab at the bottom of the battery pack and
register.
2 Place the end of the screwdriver or punch in the center of the
seal pin as shown in figure Figure 10.
Figure 10 Screwdriver in Seal Pin
3 Use the hammer or punch to drive out the seal pin. The head
of the seal pin will shear off, and the body of the seal pin will
be underneath the register.
4 Pull up on the battery housing to remove the battery from
hinges located on the register as shown in Figure 11.
Figure 11 Removing Battery from Hinges
Maintenance and Troubleshooting
R900i SP Inside and Pit Installation and Maintenance Guide 21
5 Cut the battery wires one at a time, as close to the battery
housing as possible. See Figure 12.
Figure 12 Cutting the Battery Wires
6 Use Scotchlok to splice the wires from the new battery casing
to the wires that were connected to the old battery casing. See