SkyTrak 8042 Service Manual - Manual (Page 335)

Engine: Cummins 4BT3.9 and 4BTA3.9
7A.12 Model 8042, 10042, 10054 Legacy Rev. 10/03
4. Disconnect the negative (-) battery cable (1) and
positive (+) battery cable (2) from the battery (3).
5. Remove the battery hold-down nuts (4) threaded
hold-down rods (5) and hold-down bracket (6).
Remove battery from vehicle. Store battery in a cool,
dry area.
6. Slowly turn the radiator cap (7) to the first stop and
allow any pressure to escape. Remove the radiator
cap.
7. Place a suitable container beneath the radiator
petcock (8).
8. Place a funnel at the base of the radiator to channel
the drained coolant into the container. Open the
radiator petcock (8) 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.
9. Loosen the radiator side clamp (9) on the radiator
input (upper) hose (10). Work the hose off the
radiator. Position the hose out of the way to allow
radiator removal, or remove the hose from the
engine. Inspect the hose, and replace if necessary.
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.
MH4010
1 2 3
4
5
6
MH4230
7
8
9
10