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

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
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8
9