973K Track-Type Loader Engine Supplement Caterpillar


Diesel Exhaust Fluid Tank - Remove and Install

Usage:

973 MKL

Removal Procedure

Start By:

  1. Partially tilt the cab.

  1. Ensure that the purge process for the DEF system is completed before turning the battery disconnect switch to the OFF position. Refer to the Operation and Maintenance Manual, "Battery Disconnect Switch" for further information.


    Illustration 1g06221569

    Note: Refer to Special Instruction, REHS8231, "Removal Procedures for Diesel Exhaust Fluid (DEF) Connectors" for the correct removal procedure of hose assemblies.

  2. Disconnect hose assembly (1), hose assembly (2), hose (3), and hose (4).


    Illustration 2g06221660

  3. Cut cable strap (6) and disconnect harness assembly (5). Remove nut (7) and nut (8). Place the hoses out of the way.


    Illustration 3g06221661

  4. Loosen clamp (10) and disconnect hose (9).


    Illustration 4g06221662

  5. Remove bolts (11). Remove diesel exhaust fluid tank (12).

Installation Procedure

  1. Install diesel exhaust fluid tank (12) in the reverse order of removal.

    1. Tighten bolts (11) to a torque of 12 ± 2 N·m (106 ± 18 lb in)

Caterpillar Information System:

The Fan Guard May Fail on Certain Compact Wheel Loaders {1356} The Fan Guard May Fail on Certain Compact Wheel Loaders {1356}
Piston Pump Group May Fail on Certain Compact Wheel Loaders {5070} Piston Pump Group May Fail on Certain Compact Wheel Loaders {5070}
Oil May Leak from the Cab Heater Lines Group / Hydraulic Oil Cooler Lines Group / Pump Lines Group on Certain Compact Wheel Loaders {1374, 1386, 1387, 5057} Oil May Leak from the Cab Heater Lines Group / Hydraulic Oil Cooler Lines Group / Pump Lines Group on Certain Compact Wheel Loaders {1374, 1386, 1387, 5057}
New Sprocket Segments Are Now Available for Certain D9, D10, and D11 Track-Type Tractors {4155} New Sprocket Segments Are Now Available for Certain D9, D10, and D11 Track-Type Tractors {4155}
Transmission Clutch Pressure Sensor May Fail on Certain Compact Wheel Loaders {1408, 1439, 3030, 3155, 3170, 4351, 7490} Transmission Clutch Pressure Sensor May Fail on Certain Compact Wheel Loaders {1408, 1439, 3030, 3155, 3170, 4351, 7490}
Engine Mounting Group Bolt May Become Loose on Certain Compact Wheel Loaders {1152, 1153, 1154} Engine Mounting Group Bolt May Become Loose on Certain Compact Wheel Loaders {1152, 1153, 1154}
A New Top Liner Seal is Now Used for Certain 3500 Machine Engines with Cuffed Cylinder Liners {1201, 1217, 7555} A New Top Liner Seal is Now Used for Certain 3500 Machine Engines with Cuffed Cylinder Liners {1201, 1217, 7555}
Rework Procedure to Retighten the Powertrain Mounting Bolts on Certain Compact Wheel Loaders {3253, 3282, 4000, 4201, 4202, 4209} Rework Procedure to Retighten the Powertrain Mounting Bolts on Certain Compact Wheel Loaders {3253, 3282, 4000, 4201, 4202, 4209}
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New Hose Guards Are Now Available on Certain 657G Wheel Tractor Scrapers {1274, 4257, 4269, 7166} New Hose Guards Are Now Available on Certain 657G Wheel Tractor Scrapers {1274, 4257, 4269, 7166}
Procedure to Install Improved Hose Guard Cover on Certain 657G Scrapers {1274, 4257, 4269, 7166} Procedure to Install Improved Hose Guard Cover on Certain 657G Scrapers {1274, 4257, 4269, 7166}
Alternator Assembly May Fail on Certain Compact Wheel Loaders {1405} Alternator Assembly May Fail on Certain Compact Wheel Loaders {1405}
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AD22 Underground Articulated Truck Tailgate Retaining Pin
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Track Pins Now Have Smaller Diameter Oil Cavity and Rubber Stopper On Certain D8 Pipelayers and Track-Type Tractors {4169, 4171} Track Pins Now Have Smaller Diameter Oil Cavity and Rubber Stopper On Certain D8 Pipelayers and Track-Type Tractors {4169, 4171}
New Improved Front Glass Is Now Used on Certain M-Series Medium Wheel Loaders {7310} New Improved Front Glass Is Now Used on Certain M-Series Medium Wheel Loaders {7310}
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