Isspro R8591 Instrukcja Użytkownika Strona 1
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Oceniono. / 5. Na podstawie oceny klientów
ISSPRO, INC. 2515 N.E. Riverside Way, Portland OR 97211
Telephone: (503) 288-4488 Toll Free: (800) 888-8065
FAX: (503) 249-2999
Form No. 236A (8/89) Page 2 of 1
ISSPRO 2” Tachometers (R8501, R8503, R8504, R8591)
For Universal Application
1.) Select a mounting location for the sensor assembly and the magnets according to the following:
a. The sensor assembly must be mounted such that the magnets pass within
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/
8
” to ¼” of the end of the
sensor as shown in the installation diagram on the back page.
b. The sensor assembly may be bolted directly in the appropriate location or may be bolted to another
bracket as necessary.
c. Check the selected sensor location for interference from rotating parts as the engine turns.
d. The magnets must be mounted to a pulley or damper that turns at engine speed.
e. Check the selected magnet locations for interference from stationary brackets, etc. as the engine turns.
2.) For Sensor Kits R8901, R8902, R8903, R8905, R8906, R8907, and R8908:
Scrape away the paint from two areas directly across from each other on the selected mounting surface.
Roughen the bare metal with an emery cloth and clean the magnets and bare metal with alcohol to remove any
oil or grease so that the glue will bond. On a clean piece of cardboard, thoroughly mix equal parts of glue from
the two packages. The epoxy will set in about five minutes. Glue each magnet to the selected surface with the
BLUE SIDE OUT and with the magnets directly across from each other to maintain balance. Also, cover the
magnets with epoxy. Allow 45 minutes for the glue to dry before starting the engine. See “Drawing A” on
reverse side.
3.) For Sensor Kit R8900:
Select any two opposite holes (to maintain balance) through the Harmonic balancer (large pulley on the front
end of the crankshaft) and install the R8946 Magnet Pair into the holes from the engine side as shown. Use
Loctite or other suitable thread locking compound on the screw threads. See “Drawing B” on reverse side.
4.) Mount the sensor as previously determined. Drill a mounting hole in the sensor bracket as needed. Position the
sensor so that there is approximately
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/
8
” to ¼” clearance between the end of the sensor and the magnets.
5.) Connect two #20 AWG or larger wires (not supplied with the kit) to the sensor wires and route them into the
cab to the tachometer location away from starter cables, electric motor wires, etc. Secure the wires along as
necessary. (See NOTE below.)
6.) Mount the Tachometer in the desired location using the optional bracket or other mounting device.
Connect the wires coming from the 3 wire cable as follows:
a. Whit wire to one of the sensor wires.
b. Black wire to the other sensor wire. Also, ground this connection as close as practical to the
tachometer head.
c. Read wire to a fused ignition-switched +12 VDC source.
Connect the wires from the tachometer light as follows:
a. Whit wire to the vehicle dash light circuit.
b. Black wire to a clean ground.
7.) Start the engine after double-checking all connections and clearances. The tachometer should now read the
engine RPM. No calibration is necessary.
NOTE: If only half the engine RPM is being displayed, check to make sure that two magnets were installed
and that both magnets are lined up with the center of the sensor. Also, check that both magnets were installed
with the same pole out by comparing them to a third magnet. Both magnets should repel the same pole of the
third magnet. If a flicker or other interference is noted on the tachometer, reroute the extended sensor wires.
This should remove the interference. In severe cases, it may be necessary to use 2-wire shielded cable for the
sensor wire extensions. Be sure to ground the shield at one end.
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Podsumowanie treści
Strona 1
ISSPRO, INC. 2515 N.E. Riverside Way, Portland OR 97211 Telephone: (503) 288-4488 Toll Free: (800) 888-8065 FAX: (503) 249-2999 Form No. 236A (8/
Strona 2 - DRAWING A
Form No. 236A (8/89) Page 2 of 2 ISSPRO TachometerBlack wire to GroundWhite wire to dash light circuitMounting Bracket#10 Mounting HardwareRed
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