Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Caterpillar

Replace Battery Cables

1. Turn the engine start switch key to the OFF position.

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Illustration 1	g00322325

2. Remove the following items from cover (3) : four capscrews (socket head) (1) and washers and two nuts (2) (not shown). Remove cover (3) .

   Note: The implement valve bank has been removed for photographic purposes only.

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Illustration 2	g00322326

3. Release two latches (4). Remove lid (5) .

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Illustration 3	g00322327

4. Disconnect the following items from the battery: two negative battery terminals (6), two positive battery terminals (7) and one electrical connection (8)

5. Disconnect the positive battery cable from the electric starting motor.

6. Disconnect the negative battery cable from the electric starting motor.

7. Remove the clamps that hold the battery cables to the frame. Remove the battery cables.

8. Install the new battery cables.

9. Connect the negative battery cable to the negative terminal of the electric starting motor. Tighten the nuts on the starting motor terminal to a torque of 30.5 ± 3.5 N·m (22.5 ± 2.6 lb ft).

10. Connect the positive battery cable to the positive terminal of the electric starting motor. Tighten the nuts on the starting motor terminal to a torque of 30.5 ± 3.5 N·m (22.5 ± 2.6 lb ft).

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Illustration 4	g00322327

11. Connect the following items to the battery: two negative battery terminals (6), two positive battery terminals (7) and one electrical connection (8)

    Note: Tighten the nuts on the battery terminals to a torque of 7.2 ± 1.6 N·m (63.73 ± 14.16 lb in).

12. Reinstall the existing clamps which hold down the battery cables.

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Illustration 5	g00322326

13. Install lid (5). Engage two latches (4) .

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Illustration 6	g00322325

14. Install cover (3). Install the following items into cover (3) : four capscrews (socket head) (1) and washers and two nuts (2) (not shown).

Replace Batteries

1. Turn the engine start switch key to the OFF position.

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Illustration 7	g00322325

2. Remove the following items from cover (3) : four capscrews (socket head) (1) and washers and two nuts (2) (not shown). Remove cover (3) .

   Note: The implement valve bank has been removed for photographic purposes only.

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Illustration 8	g00322326

3. Release two latches (4). Remove lid (5) .

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Illustration 9	g00322327

4. Disconnect the following items from the battery: two negative battery terminals (6), two positive battery terminals (7) and one electrical connection (8)

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Illustration 10	g00322328

5. Remove the following items from the battery: three bolts and washers (9), metal strip (10) and three spacers (11) .

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Illustration 11	g00322329

6. Attach a lifting strap to one battery (12). See Illustration 12. Remove one battery from battery compartment (13). Repeat the procedure for the second battery. The weight of one battery is 25 kg (55 lb).

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Illustration 12	g00322329

7. Use a lifting strap and a hoist in order to install battery (12) into battery compartment (13). Repeat the procedure for the second battery. The weight of one battery is 25 kg (55 lb).

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Illustration 13	g00322328

8. Install the following items: three bolts and washers (9), metal strip (10) and three spacers (11) .

   Note: Tighten bolts (9) to a torque of 10 ± 3 N·m (89 ± 27 lb in).

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Illustration 14	g00322327

9. Connect the following items to the battery: two negative battery terminals (6), two positive battery terminals (7) and one electrical connection (8)

   Note: Tighten the nuts on the battery terminals to a torque of 7.2 ± 1.6 N·m (63.73 ± 14.16 lb in).

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Illustration 15	g00322326

10. Install lid (5). Engage two latches (4) .

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Illustration 16	g00322325

11. Install cover (3). Install the following items into cover (3) : four capscrews (socket head) (1) and washers and two nuts (2) (not shown).