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“The Big Switch” is a durable,
heavy duty waterproof disconnect
switch. It is designed to completely shut off current flow from the
battery of any engine powered
vehicle or electrically-powered
accessory system. NOTE: When
installed with the mounting and
lock-out bracket supplied in this
kit and physically locked in the
“off” position with a padlock (not
included), this assembly meets
OSHA requirements for positive
“lock-out/tag-out” of power for
commercial vehicles. “The Big
Switch” is rated at 250 amps @
12V and 24V for continuous
service. (2,500 amps for 5
seconds).
The Big Switch
Lock-Out Assembly
Part No. FR1044
Installation Instructions
WARNING
Contact the original manufacturer of the vehicle to determine if this
switch is approved for your application and for mounting location.
Flaming River Industries, Inc. makes no recommendation as to mounting
location or suitability to your application. However, when installed, this
switch is a functioning part of the electrical current system. It should be
treated as battery terminals.
Terminal Covers are not furnished with this product but are recommended. Flaming River part Number FR1014TM
IMPORTANT NOTE: Please use ONLY an anodized aluminum bracket when
installing this switch.
304 Stainless Steel Fasteners
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Assembly And Installation Instructions
NOTE: Before mounting the brackets, install the switch in the
mounting bracket as follows:
1. Place the T-handle onto the switch stem and turn to the ON
position, then remove the T-handle.
2. Remove the large hex nut and wave washer and the ON/OFF
plate from the installation kit package.
3. Insert the neck of the switch into the mounting bracket hole
just enough to install the ON/OFF plate, wave washer and start
the hex nut.
4. Tighten the brass hex nut until the wave washer is completely
flat. (7-10 ft.-lbs.) Do Not Over Tighten! Make sure to align the
alignment tab on the switch with the alignment hole on the
mounting bracket.
5. Install the T-handle onto the switch stem and turn to the off
position. Making sure to align the lock-out hole in the handle
with the lock-out hole in the mounting bracket.
6. Remove the spring steel pin from the installation package and
tap it in approx 1/4 inch. Ensure that the hole in the handle is
aligned with the hole in the switch stem and then finish
installing the pin.
Figure 1
Lockout
Bracket
Switch
Mounting Hole
Locating Tab Hole
Top View
Page 3
Locating
Tab
Spring Pin
Spring Pin
Spring Pin Hole
Handle
Handle
Top View
Side View
Figure 2
Electrical Connection Instructions
After the switch is mounted, the electrical cables can be attached
to the switch. CAUTION: Disconnect the negative cable from the
battery before connecting any cables to the switch. The switch will
operate effectively by installing it in either the negative or the positive system. However,
verify with vehicle manual, and follow all vehicle manufacturers
instructions.
1. Select the cable into which the switch will be installed.
Disconnect both ends of this cable from its attachment points.
2. It may be necessary to discard this cable and replace it with
two (2) separate cables. The length of these cables will equal
the length to the switch as shown in Figure 3.
3. Attach the two (2) cable ends to the terminal studs as shown in
the illustration in Figure 3. Tighten the hex nuts until the lock
washers flatten (11-13 ft. lbs.) Do Not Over Tighten! Make sure
the cables on the switch are not touching. Terminal covers are
recommended.
4. Connect the other two ends of the cables to their connection
points. Reconnect the battery.
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Figure 3
DO NOT ATTEMPT TO OVER
TIGHTEN THE BASE TO THE
HOUSING (7-10 FT. LBS Max..)
THIS WILL VOID WARRANTY
Battery
Cable
Positive or Negative
Terminal
Cable
Warranty Disclaimer
Because of their intended usage, the manufacturer makes no
warranties whatsoever expressed or implied, oral or written, to
purchasers of their products regarding performance, safety, fit,
merchantability or length of service. Purchasers are responsible for
selection of proper goods and must rely on their own skill or
judgment that such goods are suitable for the purchaser’s
application.
1
1
2
2
1
Switch with hardware
Locking bracket
Fastener 1/4-20
Fastener 1/4-20 nuts
with lock washers
On/Off Plate
Kit Contains
Qty. Description
304 Stainless Steel Fasteners
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