7a.6.4 engine block heater replacement, 7a.6.4, Engine block heater replacement a.16 – SkyTrak 8042 Service Manual User Manual

Page 339: Warning

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Engine: Cummins 4BT3.9 and 4BTA3.9

7A.16

Model 8042, 10042, 10054 Legacy

Rev. 10/03

12. Install the battery (1), hold-down bracket (2), threaded

hold-down rods (3) and hold-down nuts (4).

13. Connect the positive (+) battery cable (5) and

negative (-) battery cable (6) to the battery (1).

14. Run the engine to operating temperature. Visually

check for leaks with the engine running. Check the
coolant level in the overflow bottle and fill, or drain,
as necessary.

7A.6.4

Engine Block Heater Replacement

a. Engine Block Heater Removal

1. Level the vehicle, ground the attachment, place the

travel select lever in NEUTRAL (N) and engage the
neutral lock lever; engage the parking brake switch
and shut off the engine.

2. Remove the ignition key. Secure accident prevention

tags to the steering wheel and ignition key switch.
Refer to

Section 1.5, “Accident Prevention Tags.”

3. Unlock, unlatch and open the engine cover. Allow

the engine to cool before proceeding. Draining the
cooling system while the engine is hot can cause
cracks in the engine block.

4. Disconnect the negative (-) battery cable (8) from the

battery (1).

5. Place a suitable container beneath the radiator

petcock (7). Slowly turn the radiator cap (9) to the
first stop, and allow any pressure to escape. Remove
the radiator cap (9).

6. Open the radiator petcock (7), and allow the coolant

to drain into the funnel. Transfer the coolant into a
properly labeled container. Dispose of properly if
coolant needs to be replaced. Close the radiator
petcock.

WARNING:

DO NOT attempt this

procedure when the engine is hot. Wait for the
engine, muffler and tailpipes to cool down
before proceeding. Failure to do so could result
in severe burns.

MH4010

1

2

3

4

5

6

WARNING:

Hot coolant can cause

severe burns or eye injury. NEVER remove the
radiator cap while the engine is hot. The cooling
system is under pressure. Wear protective
clothing and safety glasses.

MH4230

7

8

9

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