3116 Engine for Challenger 35, and Challenger 45 Agricultural Tractors and 3126 Engine for Challenger 55 Agricultural Tractor Engine Supplement Caterpillar

Removal Procedure

Show/hide table

Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.

Show/hide table



Illustration 1	g00557353

1. Remove four bolts (1) and the four washers. Remove shield (2) from bracket (3) .

Show/hide table



Illustration 2	g00557354

Show/hide table



Illustration 3	g00557355

2. Loosen two clamps (4) at the top of air inlet tube (5) .

3. Loosen two clamps (6) at the bottom of the air inlet tube. Remove the air inlet tube.

Show/hide table



Illustration 4	g00557356

4. Loosen two clamps (7) on hose (8) that is connected to air inlet elbow (11) .

5. Loosen two clamps (10) on hose (9) that is connected to air inlet elbow (11) .

6. Remove nut (12) and ground wire (13) from the air inlet heater.

Show/hide table



Illustration 5	g00557357

7. Lift boot (16) and disconnect the wire assembly from air inlet heater (17) .

8. Remove bolts (14) and the washers. Remove two bolts (15) and the washers.

   Note: Two middle bolts (15) at the top of air inlet elbow (11) cannot be removed until the separation of air inlet elbow (11) and air inlet heater (17) .

9. Remove air inlet elbow (11), air inlet heater (17) and the gasket from the inlet manifold cover and the hoses.

Show/hide table



Illustration 6	g00557358

10. Separate air inlet elbow (11) and air inlet heater (17). Remove two bolts (15) and the two washers. Remove gasket (18) from the air inlet heater.

Installation Procedure

Note: Check all gaskets, hose clamps and hoses for wear or damage. Use new replacement parts, if necessary.

Show/hide table



Illustration 7	g00557358

1. Install gasket (18) on air inlet heater (17) .

2. Position two bolts (15) and the two washers in air inlet elbow (11). Install the air inlet heater on the air inlet elbow.

Show/hide table



Illustration 8	g00557357

3. Install the hoses and clamps that fit on air inlet elbow (11).

   Note: The hoses that fit on the air inlet elbow will be easier to install at this time.

4. Install air inlet elbow (11), air inlet heater (17) and the gasket on the inlet manifold cover.

5. Install bolts (14) and the washers. Install two bolts (15) and the washers.

6. Connect the wire assembly to air inlet heater (17). Position boot (16) in place on the wire assembly.

Show/hide table



Illustration 9	g00557356

7. Position ground wire (13) on the air inlet heater. Install nut (12) .

8. Tighten two clamps (10) on hose (9) that is connected to air inlet elbow (11) .

9. Tighten two clamps (7) on hose (8) that is connected to air inlet elbow (11) .

Show/hide table



Illustration 10	g00557355

Show/hide table



Illustration 11	g00557354

10. Install air inlet tube (5). Tighten two clamps (6) at the bottom of the air inlet tube.

11. Tighten two clamps (4) at the top of the air inlet tube.

Show/hide table



Illustration 12	g00557353

12. Install shield (2) on bracket (3) with four bolts (1) and the four washers.