Raven Spra-Coupe SCS 460 Operator's Manual page 34

12) SPEED INACCURATE OR UNSTABLE
(SPEEDOMETER DRIVE SPEED SENSOR).
13) RATE READS "0000".
14) RATE INACCURATE OR UNSTABLE.
2) Remove one red magnet and one black
magnet from the wheel.
remaining red and black magnets
directly across from each other).
Enter a SPEED CAL number in the
Console twice as large as the
correct SPEED CAL number.
speed check on hard surface road.
Remove these two magnets and replace
with other two. Run speed check. If
SPEED is in accurate with only one
set of magnets, replace the bad set.
If SPEED is inaccurate with both
sets, replace Speed Sensor Assembly.
NOTE: Re-enter original SPEED CAL
number after testing is complete.
1) Wiggle cable at the Speed Sensor
connector.
tighten connector or replace
Transducer Assembly.
2) Check Speedometer Cable Adapter,
Key, and Transducer Assembly for
proper connections and engagement.
3) Check for kinks or sharp bends in
speedometer cable.
4) Replace Speedometer Transducer
Assembly.
1) Verify SPEED is registering
accurately. If SPEED is zero, refer
to Troubleshooting Problem 10.
2) Verify TOTAL VOLUME is registering
flow. If not, refer to
Troubleshooting Problem 17.
1) Verify that all numbers "keyed in"
Console are correct.
is registering accurately. If SPEED
is inaccurate, refer to Trouble-
shooting Problem 11 or 12.
2) In MAN (manual) operation, verify
that RATE display (GPA) holds
constant.
Troubleshooting Problem 18.
3) In MAN (manual) operation, check
low end and high end pressure
range. Pressure range must be per
initial system set-up on page 27.
If pressure cannot be adjusted
manually, refer to Troubleshooting
Problem 17.
31
(Reposition
Run
If speed is displayed,
Verify SPEED
If not, refer to
(Cont. next page)