R-134a Refrigerant Used For Air Conditioner Charge{1802,1805}
Usage:
416B (8SG, 8ZK),
426B (5YJ),
436B (6MJ),
428B (7EJ),
438B (3KK),
446B (5BL) Backhoe Loaders
Description of Change: The factory fill refrigerant, used to charge the air conditioners in the backhoe loader models listed, has been changed from R-12 to the new R-134a refrigerant.
The following chart list the fill quantities for the air conditioning system.
Adaptable To: This change to the new 3E-6654 Refrigerant (R-134a) is effective with 416B (8SG5327, 8ZK1777), 426B (5YJ1546), 436B (6MJ650), 428B (7EJ2812), 438B (3KK1136) and 446B (5BL386) Backhoe Loaders.
Caterpillar Information System:
1995/01/16 Fuel Injection Pump Change{1251}
1995/01/16 Special Instruction SEHS9429-01 Available for Spherical Bearings for Bulldozers and Rippers{7551,6050,6313}
1994/12/26 New Oil Tube Clamp Assembly Is More Durable and More Resistant to Leakage {1307}
1994/12/26 Information Release Memo PELE0401 Has Information About Remanufactured Hydraulic Piston Pump And Piston Motor Groups {0374,4134,4136,4351,5058,5070,5080,5314,5315,5473}
1994/12/26 New Bearing Housing Used In Turbocharger Group {1056,1052}
1994/12/26 New Engine Oil Pressure Gauge And Sender {7455}
1994/12/19 New Electronic Control Group (Throttle Position Sensor) Has Improved Contact Design {1913}
1994/12/19 New Water And Oil Temperature Regulators Available {1330,1355}
1994/12/19 New Connecting Rod Assembly Has Increased Fatigue Strength {1218}
1994/12/19 Special Instruction SEHS9734-01 Is Available For Retrofitting R-12 Air Conditioning Systems To R-134a Refrigerant {7320,1809}
1994/12/19 Spacer Plate Is Available To Make Installation Of Permanent Hose Couplings Easier {0684,5057}
1994/12/19 New Filter Used For Screed Burner And Washdown Systems {1274,5642}
1995/01/16 Boom Lock Cable Tube Is Now Serviceable{5477,5063}
1995/01/16 Wheel Bearing Check And Adjustment Maintenance Interval{4208}
1995/01/16 Maintenance Intervals Are More Uniform{0375,1300,1350,3250,5600,6600}
1995/01/16 New Exhaust Manifold Gasket Available{1059}
1995/01/16 Catalytic Converter And Exhaust Conditioning Products Available{1091}
1995/01/16 New Tube Assemblies Used In Fuel Lines Groups{1274}
1995/01/16 New Oil Pans Have Oil Level Sensor Mounting Hole{1302}
1995/01/16 Fabricated Spacer Will Help Prevent Fan Belt Loss{1357,1359,1405}
1995/01/23 Parts Are Now Serviceable For Roading Lights {1429}
1995/01/23 New Final Drive Bearings Give Longer Service Life And Are Easier To Install {4055,4092}
1995/01/23 Spade Type Fuses {1408,7451}
1995/01/30 Control Valve Changes Improve Challenger Shift Quality{3152,3157,3167,3178}