Quantcast CRANK TERMINATE SPEED ADJUSTMENT - TM-5-2815-232-140509

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ELECTRIC PROTECTIVE SYSTEM
TROUBLESHOOTING
PROCEDURE B
5N1955 ELECTRONIC SPEED SWITCH
1. Verify button. 2. Reset button. 3. "LED" overspeed light. 4. Seal screw plug (overspeed). 5. Seal screw plug (crank
terminate). 6. Seal screw plug (oil step).
disengages). See the SPEED SPECIFICATION
CRANK TERMINATE SPEED ADJUSTMENT
CHART (Part of PROCEDURE D) for the correct
crank terminate speed.
1.
Remove lockwire and seal from seal screw plug
(4), (5) and (6). Remove seal screw plug (5)
NOTE: If setting is not correct, do Steps 5, 6 and 7. If
from the access hole for crank terminate
adjustment screw.
setting was correct, go to Step 7.
2.
Use a small screwdriver and lightly turn the
5.
Stop the engine and turn the crank terminate
crank terminate adjustment potentiometer twenty
adjustment potentiometer one full turn in the
turns in the direction of "MAX ARROW"
correct direction (clockwise to increase and
(clockwise).
counterclockwise to decrease).
6.
With the voltmeter still connected as in Step 4,
NOTE: The crank terminate adjustment screw is made
start the engine and make a note of the speed at
so that it can not cause damage to the potentiometer, or
which the system voltage is canceled (this is the
be removed, if the adjustment screw is turned too many
speed  at  which  the  DC  starter  system
turns in either direction.
disengages).
If needed, make more small
adjustments until the crank terminate speed is
3.
Turn
the
crank
terminate
adjustment
correct.
potentiometer twelve turns in a direction opposite
of "MAX ARROW" (counterclockwise) for an
7.
Install seal screw plug (5) in crank terminate
approximate crank terminate setting.
adjustment access hole. Tighten to a torque of
0.20 0.03 N.m (2 .3 lb.  in.).  Install the
4.
Connect a voltmeter (6V3030 Multimeter or a
voltmeter of same accuracy) with the positive
lockwire and seal (if overspeed and oil step
lead at ESS-12 and the negative lead at ESS-5.
adjustments are complete).
Start the engine and make a note of the speed at
which the system voltage is canceled (this is the
speed  at  which  the  DC  starter  system
497


 


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