New Air Conditioner Thermostat Switches Used{7320}
Usage:
New air conditioner thermostat switches are available for all models so equipped. The new switches have pure copper internal parts to eliminate breakage due to stress corrosion.
- The new 9X5445 Switch As. replaces the former 7T9277 Switch As.
- The new 9X5446 Switch As. replaces the former 9P3498 Switch As.
- The new 9X5447 Switch As. replaces the former 3V0253 Switch As.
- The new 9X5446 Switch As. replaces the former 9P3498 Switch As.
The new switches are in production on some models, effective with:
- CH65: 7YC1584
- D4H: 8PB3764, 9DB1889, 2AC630, 3AC795
- D5H: 1YD618, 2SD676, 3MD721, 4KD564, 1DD996, 7NC611, 8RC2171
- D6D: 30X3423, 31X3994, 32X2166, 33X736, 5YB936
- D6H: 4RC2505, 6FC708, 2KD824, 1KD673, 3ED483, 8FC976, 4YF630, 4GG474, 3ZF1185, 3YG511, 1FJ482, 2TG542, 4LG1000, 5HF435
- D7H: 79Z2323, 80Z803, 5BF846, 4FG361, 2SB897, 82Z347, 4AB1072, 2RB526, 3XG385
- D8N: 9TC3935, 1XJ157
- D9N: 1JD2046
- D10N: 2YD1256
- D11N: 74Z714
- 120G: 87V9133
- 130G: 74V2477
- 140G: 72V12625
- 12G: 61M13517
- 14G: 96U7829
- 16G: 93U3019
- 245B: 6MF284
- 416: 5PC9926
- 426: 7BC3284
- 428: 6TC5946
- 436: 5KF760
- 438: 3DJ627
- 446: 6XF161
- 621E: 6AB1300
- 623E: 6YF50
- 627E: 6EB637, 6GB769
- 631E: 1AB1206
- 637E: 1FB421
- 651E: 89Z229
- 657E: 90Z201, 91Z385
- 785: 8GB407
- 789: 9ZC349
- 910E: 1SF113
- 916E: 5KC1503
- 926E: 8NB2047
- 936E: 4SB2107
- 950B: 65R3977
- 966D: 35S3417
- 980C: 13B1070
- IT12B: 1KF59
- IT14B: 3NJ42
- IT18B: 2NJ326
- IT28B: 1JK421
- 943: 19Z1568
- 953: 78Y1175, 44Z697, 20Z3472
- 963: 29S1269, 48Z269, 21Z3312
- 973: 90L894, 91L177, 86G1021
- D4H: 8PB3764, 9DB1889, 2AC630, 3AC795
Caterpillar Information System:
1990/02/12 Contaminated Refrigerant Can Cause Air Conditioner Failures{7320,1802,1805,7322}
1990/02/12 Procedure To Charge Air Conditioner Using Receiver Dryer Sight Glass{7320,7322}
1990/02/12 Identification Of Turbocharger And Fuel System Components{1250,1700,1052}
1990/02/12 New Exhaust Manifold Stud Available{1059}
1990/02/12 New Oil Cooler Gasket Has Bead On Only One Side{1378}
1990/02/12 New Mounting Bolts And Washers Used For Propel Motor{4351,7553}
1990/02/12 New Mounting And Cylinder Group, Quick Coupler Group And Lines Group Improve Visibility{5133,5057,6129}
1990/02/12 New Components Used In Positioner And Kickout Group{6107,5109,5112}
1990/02/12 Rework Procedures For The Hydraulic Pump Bias Piston{5070}
1990/02/12 Longer Nipple Prevents Mud From Covering Rear Axle Housing Breather{3260}
1990/02/12 Use Correct Method When Installing Center Bonded Mounts{1273,5056}
1990/02/12 Improved 2U0259 Rubber Cover For Hoist Valves Is More Resistant To Heat And Contaminants{5136}
1990/02/19 New Spider Assembly Used In Suction Fan Group{1356}
1990/02/19 New Turbocharger Guard Assembly Resists Vibration Better{1073}
1990/02/19 Shorter Tube Assembly Stops Hoses From Rubbing In Rear Hoist Oil Lines Groups{5057,5102}
1990/02/19 New Drain Lines Available For Differential Assemblies{3283,5057}
1990/02/19 Clutch Plumbing Kit Increases Cooling Flow And Lockup Pressure For Longer Service Life{5606,6601}
1990/02/19 Improvements Made To Water Pumps; New Groups/Parts Available For Certain Applications{1364,1361}
1990/02/26 Be Sure To Use Correct Plug On Pump Drive Gearbox To Check Oil Level {3108,7500}
1990/02/26 Improved Air Line Routing Reduces Air Dryer Service {4285,1803}
1990/02/26 New Back-Up Ring Reduces Suspension Cylinder Leakage {7201}
1990/02/26 New Water Pump Used In Water Spray System {5612,5614}
1990/02/26 Individual Parts Available For 8C7026 Steering Control Valve {4307}
1990/02/26 New Adjustment Procedure For 9N7980 Automatic Load Controller {5606}