24
RITE-HITE VBR-400 DOK-LOK
Owner’s Manual
ALTERNATE POWER SOURCE
In the event of a loss of AC power to the VBR-400
DOK-LOK vehicle restraint control box, the product may
be operated using a DC battery source. The battery
source must be capable of 12 to 15 Volt output at a
minimum of 5 amps. A forklift or automotive battery
will typically work well.
The VBR-400 DOK-LOK vehicle restraint may be
powered either up or down by using a 12 to 15 Volt DC
power source. To operate the DOK-LOK using a battery
source, refer to the following sequence:
1.
Lockout/tagout existing AC power supply to the
VBR-400 DOK-LOK vehicle restraint control box.
This will provide protection in the event that power
is restored without warning.
2.
Open the VBR-400 DOK-LOK vehicle restraint
control box. Locate the control module. See
Figure 23.
3.
Unplug the two spade connection wires #3
and #4 attached to the Bridge Rectifier.
4.
Attach a wire lead to the #3(+) wire and to the
#4(–) wire. These leads should be long enough to
permit connection to jumper cables, or directly to
battery terminals.
5.
Connect the lead from the #3 wire to the
POSITIVE (+) terminal of the battery. Connect the
#4 wire to the NEGATIVE (–) terminal of the
battery.
6.
Operate the VBR-400 DOK-LOK vehicle restraint
using the LOCK and UNLOCK pushbuttons on the
control box.
7.
If used for manual release during power outage,
once unit is in desired condition, disconnect
battery and reconnect #3 and #4 wires to bridge
rectifier.
Bridge Rectifier
Transformer
Module
X1
4
3
X2
CORPORATION
MILWAUKEE, WISCONSIN
CONTROL MODULE
VBR-400
+ H -
LOCK
UNLK
14v 14v GND
IG ICOM IR
LAMP
MOTOR
POWER
INSIDE
LAMPS
OUTSIDE
LAMPS
SW1 SW
COM
SW2
PBL
PB
COM
PBU
HRN/
SL
SW
POS
OG OCOM OR
FIGURE 23 — INSIDE CONTROL BOX
When working with electrical or electronic con-
trols, make sure that the power source has been
locked out and tagged according to
OSHA
regulations and approved local electrical codes.
DANGER
