4 • Service Manual — COATS Models 950/950 ProRacer/1025/1050/1055
Direct Drive
7.
Check the placement of the distance tape, see the
DISTANCE GAUGE TAPE PLACEMENT PROCEDURE.
8.
If specified results are not achieved see ACCU-
RACY PROBLEMS.
Rotational Check (Use a Hub Centric Wheel)
1.
Remove the 4oz. weight from the inner rim and
perform a fine balance to obtain 0.00 (+.02) weight
readings on inner and outer plane.
2.
Position valve stem at 6 o'clock. Loosen hub nut
just enough to allow the wheel to move. While holding
the faceplate so it cannot turn, rotate the wheel 90
degrees relative to the faceplate. Tighten hub nut.
3.
Press START. Weight readings should be 0.30 oz. or less.
4.
Repeat steps 2 & 3. At 180 and 270 degrees
weight readings should be .30 oz. or less.
5.
If the specified results are not achieved see ROTA-
TIONAL PROBLEMS.
Calibration Procedures
Weight Sensor Calibration
1.
Turn the power switch ON.
2.
Mount the test wheel to the machine.
3.
Enter the wheel parameters.
4.
If the machine is in ROUND OFF mode, toggle it
OFF by pressing and holding the SHIFT key and press-
ing ROUND OFF.
5.
If the machine is not in ounce mode put it into
ounce mode by pressing and holding the SHIFT key and
pressing GM/OZ.
6.
Press and hold the SHIFT key and press CALI-
BRATE to enter the calibration mode. The display
should read CAL 0.
7.
Push the START button. The machine should now
cycle. This cycle is referred to as the zero spin cycle.
8.
The balancer should come up to speed, coast for
several revolutions, and then brake to a stop.
9.
The display should now read CAL 4.
10.
Position the wheel so the display for the center
position LED for the outside (right) plane is flashing.
11.
Add a 4 ounce weight to the 12 o'clock position
on the outside (right) of the wheel.
12.
Push the START button.
13.
The outer (right) weight display should read 4.00
± 0.02 oz. and the center position L.E.D. for the outside
(right) plane should be flashing when the weight is at
bottom dead center.
A & D Arm Calibration (Code 10)
1.
Press and hold the SHIFT key and press 0. Then
press 1 followed by 0. The A pot reading is displayed on
the left weight display and the D pot reading is dis-
played in the right weight display. The reading for the A
pot should be between 0.05 and 0.30 and the D read-
ing should be between 0.40 and 0.80 when the arm is
in the park position. If the readings are not between the
given values see A and/or D PULLEY INSTALLATION.
2.
Rotate the arm to the maximum diameter position.
While holding the arm in this position, press the MODE key.
3.
Return the arm to the park position and press the
MODE key.
4.
Pull the arm out to the test wheel and position it
into the radius of the wheel. While holding the arm
against the wheel you must enter the "distance" (A
dimension) to the test wheel (enter as 2 digits i.e. 5.8).
Before releasing the arm from this position, enter the
diameter of the wheel (D dimension as 3 digits i. e.
Содержание COATS 1025
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Страница 37: ...Service Manual COATS Models 950 950 ProRacer 1025 1050 1055 33 Direct Drive Mechanical Hood Switch Diagram ...
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Страница 48: ...9111123 03 11 05 Copyright 1992 Hennessy Industries and COATS All Rights Reserved Printed in USA ...
