E03012 2/02 Statex III Electrical Checkout Procedure E3-41
7.0 MOTOR FIELD CURRENT CHECK IN RETARDING
NOTE: If wheelmotors were not installed on truck during factory check-out, this test must be
performed during truck check-out at mine site.
Setup PTU
• Select the AUTOMATIC LOAD BOX TEST screen as follows:
a. From the GEOHV STATEX III MENU, select “PTU TALK TO TRUCK” and press [ENTER].
b. At PTU LOGON screen, enter your name and assigned password. Press [ENTER].
c. When the GE STATEX III PTU MAIN MENU appears, move the cursor to “NORMAL OPER-
ATION” and press [ENTER].
d. A screen appears with the message: “Selection of NORMAL OPERATION gives truck con-
trol to the driver - Continue?”. With the cursor at the “Yes” option, press [ENTER].
e. The NORMAL OPERATION MENU will appear. Select “AUTOMATIC LOAD BOX TEST”
and press [ENTER].
7.1 Retard Check
1. Start engine, put selector switch in FORWARD and depress retard pedal for full retarding.
2. The following approximate values should be read from the AUTOMATIC LOAD BOX TEST
SCREEN:
3. Release retard pedal. Put selector switch in NEUTRAL.
4. Exit from AUTOMATIC LOAD BOX TEST SCREEN back to the NORMAL OPERATION
MENU. Select “MONITOR ANALOG INPUT CHANNELS”.
5. Put selector switch in FORWARD and depress retard pedal for full retarding.
6. The following values should be read from the MONITOR ANALOG INPUT CHANNELS screen:
7. Release the retard pedal and place the selector switch in NEUTRAL.
8. Exit back to the GEOHV STATEX III MENU screen.
9. The engine may now be shutdown.
AUTOMATIC LOAD BOX TEST SCREEN
(PTU Screen Display)
WHEELMOTOR
772
776, 791
788, 787
788
(20 Element Grid)
ENGINE RPM (non-Fuel Saver) = 1675 1675 1675
ENGINE RPM (Fuel Saver) = 1250 1250 1250
ALTERNATOR VOLTS = 1320 1320 1320
MOTOR FIELD AMPS = 275 375 450
MONITOR ANALOG INPUT CHANNELS
(PTU Screen Display)
WHEELMOTOR
772
776, 791
788, 787
788
(20 Element Grid)
ALTERNATOR TERTIARY CURRENT = 140 140 140
MF TERTIARY CURRENT = 333 333 333
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