50-55 Auxiliary Electra-Fan
RUBBER WASHER
PUSH NUT
NYLON BOLT
PLASTIC
WASHER
Installation Instructions
(55 with out TEMP Control)
The Auxiliary Electra-Fan should be installed in accordance with
the following instructions.
Improper installation may result in premature failure and void the
Limited One-Year Warranty.
MOUNT FAN TO RADIATOR OR A/C CONDENSER-All
Installations:
INSTALLING THESE FANS IN FRONT OF THE RADIATOR
WILL RESULT IN A PUSHER FAN;
INSTALLING IT BEHIND THE RADIATOR WILL RESULT
IN A PULLER FAN. REGARDLESS, IN ALL INSTALLATIONS, THE SIDE OF THE UNIT WITH THE FAN BLADES
EXPOSED SHOULD ALWAYS FACE THE FRONT OF THE
VEHICLE.
1) Determine whether the fan will be installed in FRONT of
the radiator or condenser (pusher) or BEHIND radiator or
condenser (puller).
2) Position fan on the radiator or A/C condenser where it
will have at least 3/4” clearance to any other object. Using a
small Phillips screwdriver, carefully spread the radiator fins
to allow the mounting bolts to pass through the radiator. Be
careful not to damage the radiator tubes.
3) Fit 4 nylon bolts through the fan, and slip a rubber washer
over each bolt. See FIG. 1.
4) Fit the fan to the radiator, feeding all four screws through the radiator, and add a plastic washer to each bolt.
5) Push a nylon push-nut up each nylon bolt until snug.
6) Turn push nut clockwise until tight, then trim off excess bolt, leaving 1/4” exposed.
Adjustable Temperature Control Kit
Assembly & Installation Instructions
Assembly & Installation Instructions pg 2
1. Attach the temp. control unit to the mounting bracket using the hardware provided, then push the knob onto
the control shaft.
2. The control can be mounted to any flat surface in the engine compartment that is within 18” of the radiator
inlet hose. Use the 3 mounting screws provided.
3. Insert the temp. sensor as close to the inlet hose as possible, then push the rubber insulator cap over the
end of the sensor as shown.
4. Connect the “C” terminal on the control unit to the positive (+) lead on electric fan unit. For automatic operation, connect the “2” terminal on the control unit to a fused positive (+) source that is capable of powering the
electric fan unit (refer to wiring diagram below). Use the female connectors provided.
5. If manual control is desired, use Flex-a-lite P/N 31148. Refer to wiring diagram below. NOTE: If not using
a Flex-a-lite manual switch, DO NOT connect the ground (-) wire to the switch!
Insert the temp. sensor near the inlet hose...
Wiring Diagram
Then push the insulator cap over the end of the
sensor.
The Flex-a-lite Limited Warranty
Flex-a-lite Consolidated, 7213-45th St. Ct. E. Fife, WA 98424, Telephone No. 253-922-2700, warrants to the original purchasing user, that all Flex-a-lite products to be free of defects in material
and workmanship for a period of 365 days (1 year) from date of purchase. Flex-a-lite products failing within 365 days (1 year) from date of purchase may be returned to the factory through the
point of purchase, transportation charges prepaid. If, on inspection, cause of failure is determined to be defective material or workmanship and not by misuse, accidental or improper installation,
Flex-a-lite will replace the fan free of charge, transportation prepaid. Flex-a-lite will not be liable for incidental, progressive or consequential damages. Some states do not allow the exclusion
or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights and you may have other rights, which
vary from state to state. The Flex-a-lite warranty is in compliance with the Magnuson-Moss Warranty Act of 1975.
rev. 99965 9-21-05
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