Air Conditioner System Refrigerant Refill Capacity {7320,7300}
Usage:
D20D (9MG),
D250D (6NG),
D300D (5MG),
D25D (1HK),
D30D (3AJ) D350D (9RF),
D40D (2JJ),
D400D (8TF) Articulated Trucks
Reference: Air Conditioning & Heating Service Manual, SENR3334-01, Page 22, Refrigerant Quick-Check Procedures.
The refill specification for the D Series Articulated Trucks has not been published in the Service Manuals.
When checking or filling the system, 2.04 Kg (4.5 lb) of R-12 refrigerant is required in order for the air conditioning system to operate properly.
Insufficient refrigerant charge can be detected by following the procedure in the Reference.
Caterpillar Information System:
1993/05/17 Door Insulation Retention Method Is Improved {7308,7300}
1993/05/17 Relief Valve Tolerance Has Been Changed {5050}
1993/05/17 Steering Hoses With O-ring Face Seal Fittings Available {4304,4300}
1993/05/17 Deflector Plates Prevent Mudflaps From Coming In Contact With The Tires {4220,7252,4200}
1993/05/17 Holes Drilled Inside The Transfer Gearbox Case Can Improve Oil Flow {3106,3100}
1993/05/17 New Seals Assist In Preventing Cooling Oil Transfer From Brake To Wheel Oil {4251}
1993/05/17 Optional Bronze Thrust Disc Available {3160}
1993/05/17 Air Horn Group Now Standard To Meet Overseas Specifications {7402}
1993/05/10 New Oil Filter Base Supports Help Prevent Incorrect Oil Filter Base Installation{1306}
1993/05/10 New Gas Springs For Engine Enclosure Doors{5486,7263}
1993/05/10 New Mount Bracket Minimizes Contaminants Into Key Start Switch{1553}
1993/05/10 Decal Location{7581}
1993/05/17 New Radiator Tie Bars Resist Cracking {1353,1350}
1993/05/17 Battery Isolation Switch Has Been Moved To Improve Access {1411,1400}
1993/05/17 Hoist Cylinder Hoses With O-ring Face Seal Fittings Available {5057,5050}
1993/05/17 Cab Air Intake Sealing Can Be Improved {7342,7304,7300}
1993/05/17 Brake Fluid Reservoir Has Been Moved To Prevent Overheating {4291,4250}
1993/05/17 Method For Bleeding And Charging The Rear Suspension Has Been Changed {7200}
1993/05/17 Injection Pump Kits (Gasket/Solenoid) Available From Parts Service {1250,1251}
1993/05/17 New Fuel Injection Lines, Clamps, And Brackets Used In Fuel Injection Lines Groups {1252}
1993/05/24 New Snap-In Type Rod Wiper Replacement For Truck Suspension Groups And Hoist Cylinder Groups{7201,7213}
1993/05/24 Remote Grease Fittings Added To Steering Cylinders{4303,4300}
1993/05/24 New Turbocharger Guard Has Longer Service Life{1073,1050}
1993/05/24 Contour Series Operator's Seats Now Have Service Parts{7312}