Service Manual — COATS Models 950/950 ProRacer/1025/1050/1055 • 27
D Pulley Installation/Adjustment (Code 10)
1.
Completely back off the plunger stop pin.
2.
Locate the return spring onto the D pulley. Install
the tension spring to the retaining pin on the pulley,
ensuring that the spring coils clockwise from the inside
to the outside.
3.
Slide the D pulley onto the shaft of the poten-
tiometer.
4.
Catch the outside hook on the end of the return
spring onto the tension pin on the A & D bracket.
5.
Rotate the D pulley clockwise approximately 3/4 of
a turn and loop the cable from the distance gauge
around the pulley.
6.
Install the cable and brass stop assembly into the
groove on the pulley.
7.
Locate the D pulley on the shaft of the poten-
tiometer such that the cable assembly from the dis-
tance gauge is located in the center of the pulley
groove and the cable is not contacting the edge of the
pulley groove.
8.
Press and hold the SHIFT key and press 0. Press 1
and the 0.
9.
Using a small screw driver, rotate the end of the
potentiometer shaft until the right display reads
between .50 and .60.
10.
Lock the pulley in place by tightening the cap
screw on the pulley.
Do not over tighten. Over tightening may
cause the pulley to crack.
11.
Turn the plunger pin out until the D pot value is
0.05 to 0.10 than the value that was obtained in step 9
of this procedure.
12.
See the A & D ARM CALIBRATION PROCEDURE
on page 10 - 11.
13.
See the WEIGHT SENSOR CALIBRATION PRO-
CEDURE on page 9 - 10.
D Potentiometer Replacement
1.
Remove the D pulley, see the procedure under
topic D PULLEY REMOVAL.
2.
Unplug the three (3) wires form the D potentiome-
ter from the wiring harness.
3.
Remove the wires for the D potentiometer from
the A-D Bracket.
4.
Remove the potentiometer retaining nut, lock-
washer, and the potentiometer.
5.
Install the new potentiometer, lockwasher, and
retaining nut.
6.
Install the potentiometer wires to the A-D Bracket
using a small mount of silicone sealer/adhesive.
7.
Connect the wires for the D potentiometer to the
wiring harness.
8.
Install the D pulley, see the procedure under D
PULLEY INSTALLATION.
CAUTION
Direct Drive
Содержание COATS 1025
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