1999/09/13 Caterpillar

Coolant Recovery Bottle Now Used {1354}

Usage:

Challenger 35 (8DN, 8RD, ADK),
Challenger 45 (1DR, ABF, 3BK),
Challenger 55 (7DM, 6NN, AEN) Agricultural Tractors

Reference: Special Instruction, REHS0336, "Installation of 164-4636 Coolant Recovery Bottle"

Description of Change: A coolant recovery bottle has been added to Challenger Row Crop Tractors. The bottle captures coolant overflow and allows it to return after cooldown.

Adaptable To: The coolant recovery bottle was effective with Challenger 35 (8RD076, ADK332), Challenger 45 (ABF127, 3BK373) and Challenger 55 (6NN180, AEN472) Agricultural Tractors.

The recovery bottle is retrofittable to Challenger 35 (8DN625-Up, 8RD1-75, ADK1-331), Challenger 45 (1DR1407-Up, ABF1-126, 3BK1-372), and Challenger 55 (7DM688-Up, 6NN1-179, AEN1-471) Agricultural Tractors. Use the illustration and parts list along with the following procedure.

NOTE: Challenger 35 (8DN1-624), Challenger 45 (1DR1-1406), and Challenger 55 (7DM1-687) Agricultural Tractors have a different version of coolant recovery bottle available for field installation. See reference special instruction at the beginning of this article for more information.

Installation Procedure

NOTE: For Challenger 35 (ABF123 -126) and Challenger 55 (6NN177-179, AEN463-471) Agricultural Tractors, skip to Step 4.

1. Remove the primary fuel filter from the 174-5718 Support Bracket (A).

2. Turn Support Bracket (A) upside down. Then install 174-5719 Plate Assembly (3) between engine block and Support Bracket (A).

3. Reinstall fuel filter.

4. Install 176-8311 Tank Assembly (4) by using 8T-4189 Bolts (1) and 8T-4224 Hard Washers (2).

5. Cut two pieces of bulk hose. 5P-1420 Hose (bulk) (6) should be cut 122 cm long and 5P-1420 Hose (bulk) should be cut 91.5 cm long.

6. Install the long hose section for the radiator to the bottom connection on 176-8311 Tank Assembly (4) by using 1P-4278 Hose Clamps (5).

7. Install the short hose section to the upper connection on 176-8311 Tank Assembly (4) by using 1P-4278 Hose Clamp (5).

8. Secure the hose from radiator to tank assembly by using 3S-2093 Tie Wrap (8) in locations shown in Illustration 1.

Illustration 1. 176-8315 Recovery Gp-Coolant Installation (A) Support Bracket.

Caterpillar Information System:

1999/09/06 Serviceable Cover Group - Protection Piece Parts Available {5258,1408}

1999/09/06 Improved Transmission Flow Control Valve Prevents Unstable Oil Pressure {3064}

1999/09/06 New Plate Deflects Rain Water {1417}

1999/09/06 Modification Of Governor Control Groups Eliminates Governor Sticking {1264,1265}

1999/09/06 New Hood Hinge Pin Improves Rust Protection {7251}

1999/09/06 New Support Brackets Relieve Loader Stress {6546}

1999/09/06 Correction To Parts Manual For Torque Converter {3101}

1999/09/06 Improved Cab Door Striker Plate {7308,7325}

1999/09/06 Improved Hinge Available For Cab Door {7308}

1999/09/06 Use The Correct Torque For Hydraulic Tank Sight Glass Bolts {5056}

1999/09/06 Front Gear Group Changed to Help Keep Oil Pump Adapter Assembly Bolts Tight {1206,1304}

1999/09/06 Custom Product Literature Available For Sound Suppression Package {0374,1801}

1999/09/13 Special Instruction, REHS0523, Available For Procedure To Install Engine Enclosures {1000,7150}

1999/09/13 New Blade Tip Cylinder Bracket Increases Wear Strip Life {5254,6174}

1999/09/13 Improved Window Latches Are Retrofittable {7308,7310}

1999/09/13 A New 90° Muffler Elbow Is Available For Certain Off-Highway Trucks {1061}

1999/09/13 New Custom Product Support Literature Is Available For 785C Off-Highway Trucks {0374,1428}

1999/09/13 Plate Kit Now Available To Reduce Asphalt Accumulation In The Engine Compartment {7051}

1999/09/13 Hood Liner Support Brackets Modified To Eliminate Interference With Air Conditioner Compressor Switch {7251}

1999/09/13 New Connector Protects Pilot Control Valve {5059}

1999/09/13 Corrected Torque Values For Oscillating Front Axles, Fixed Front Axles, And Rear Axles That Are Incorrect in SENR5839 {3250}

1999/09/13 Service Parts Are Now Available For Telehandler Steering Arm Groups {4305}

1999/09/13 Improved Fuel Filling Time With Retrofit Kit {1273}

1999/09/13 New High Pressure Grease Lines Used {7510}