Lull 944E-42 Service Manual User Manual download pdf (Page 214)

100

101

Engine: Cummins 4BT 3.9, B4.5T and QSB 4.5T

7.12

Model 644E-42/944E-42 Rev. 6/04

9. If the vehicle has dual batteries, connect both

negative battery cables (1 and 2) to both batteries.

Connect the lower negative battery cable (1) to the

negative (-) terminal on the lower battery (3). Swing

the upper battery box (6) in and make sure that the

lip (5) on the upper battery box slides below the

knob (4). Secure in place with the knob (4).

10. 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.

7.6.3 Drain and Flush Radiator

1. Park the vehicle on a firm, level surface. Level the

vehicle, ground the attachment, place the travel

select lever in the (N) NEUTRAL DETENT position,

engage the parking brake switch and shut the

engine OFF.

2. Secure accident prevention tags to the steering

wheel and ignition switch. (Refer to Section 1.5,

“Accident Prevention Tag Usage.”)

3. 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. If the vehicle has dual batteries, disconnect both

negative battery cables (1 and 2) from both

batteries.

To access the lower battery (3), loosen the knob (4)

far enough so that the lip (5) on the upper battery box

clears the knob. Lift up the upper battery box (6) and

swing it out, so that the box clears the hydraulic tank

support bracket, to gain access to the lower negative

battery cable (1). Disconnect the lower negative

battery cable.

5. Slowly turn the radiator cap (7), located near the

upper radiator hose, to the first stop and allow any

pressure to escape. Remove the radiator cap. Place

a hose (8) onto the drip leg of the petcock, located at

the base of the radiator, to channel the drained

coolant into a container. Open the radiator

petcock (9) and allow the coolant to drain.

MU0650

WARNING: DO NOT attempt this proce-

dure 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.

MU1440

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