Engine: cummins 4bt3.9 – SkyTrak 6036 Service Manual User Manual

Page 205

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7.27

Model 6036 Legacy

Engine: Cummins 4BT3.9

Figure 7-32 Label and Disconnect the Alternator Wire Leads

Note: Record how the wires are installed to ensure
correct installation later.

12. Remove the two red wires (Fig. 7-33, 1) from the

upper solenoid stud (2).

13. Remove the red, positive (+) battery cable

(Fig. 7-33

,

3) from the upper solenoid stud.

14. Label and disconnect the blue/orange wire

(Fig. 7-33, 4) from the starter solenoid housing stud.

15. Remove, the lower 12-point starter bolt (Fig. 7-33, 5)

securing the starter to the flywheel housing. Remove
the negative (-) ground cable (6) from the 12-point
starter mounting bolt. Reinstall the 12-point starter
bolt into the lower starter bolt position.

Figure 7-33 Disconnect Starter Wires

Note: The engine harness is routed and attached to the
engine at various places using hold-down clamps and
plastic wire ties. Before removing engine, ensure that the
harness has been completely separated (disconnected)
from the engine. Move the harness clear of the engine
and with the help of an observer, ensure that the engine
clears the harness during removal.

16. Label and disconnect the engine coolant

temperature switch lead (Fig. 7 -34, 1) and oil
pressure switch lead (2). (Refer to Section 9.15.11,
“Engine Coolant High Temperature Sender,” and
Section 9.15.10, “Engine Low Oil Pressure Sender.”)

17. Disconnect the fuel shut-off solenoid harness

connector (Fig. 7-34, 3).

Figure 7-34 Label and Disconnect the Engine Coolant

Temperature, Oil Pressure and Fuel Shut-off

Solenoid Switch Leads

B+

D+

D-

ORG

BLK

YEL

2W

G

6

38

RED

MA8400

1

3

2

MA8420

5

2

4

3

6

1

MA9070

2

1

3

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