TM54930-230-13
c. K-1 Relay Test Procedures.
(1) Step 1.
(a) Place ON-OFF switch in OFF position.
(b) Disconnect Power Cable (J2).
(c) Unscrew and remove Junction Box Cover with O-ring.
(2) Step 2. (See figure 4-25.)
NOTE
Failure of Motor Thermostatic Switch can prevent relay operation.
(a) The “X” circuit of the relay is grounded through the thermostatic switch in the motor, To
check continuity, put probe on “X2” terminal of relay, and other probe on negative (-) terminal of the J2
Connector. (See wiring diagram in figure 4-24 for wire connections.)
CAUTION
The followlng teats require the power cable, J2, be connected as in normal
(b)
(c)
ground.
(d)
reading.
(e)
pumping procedure. Exercise care in use of multi meter test probes.
Connect Power Cable (J2).
Hold negative (-) probe of multimeter on inner threaded portion of
Touching positive (+) probe of multimeter to “A1”. Terminal of relay
All other relay terminals should have “O” readings.
(3) Step 3.
(a) Place ON-OFF Switch in ON position.
(b) Ground negative (-) probe of multimeter.
(c) Touching positive (+) probe of multimeter to “X-1” terminal of relay
reading.
(d) Touching positive (+) probe of muitimeter to “A-1” terminal of relay
reading.
(e) Touching positive (+) probe of multimeter to “A-2” terminal of relay
reading.
the junction box to
should give 24 Volt
should give 24 volt
should give 24 volt
should give 24 volt
4-48
