Motor Field Current Check In Retarding - Komatsu 830E Shop Manual

Hide thumbs Also See for 830E:

Table of Contents

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.

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

AUTOMATIC LOAD BOX TEST SCREEN

(PTU Screen Display)

ENGINE RPM (non-Fuel Saver)

ENGINE RPM (Fuel Saver)

ALTERNATOR VOLTS

MOTOR FIELD AMPS

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:

MONITOR ANALOG INPUT CHANNELS

(PTU Screen Display)

ALTERNATOR TERTIARY CURRENT

MF TERTIARY CURRENT

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.

Statex III Electrical Checkout Procedure

(20 Element Grid)

(20 Element Grid)

Table of Contents