Two New Vacuum Pumps Available For Servicing Air Conditioning Systems {1802,7320}
Usage:
All Air Conditioned Cabs
Two new vacuum pumps, that can be wired for either 110V or 220V, are available for servicing air conditioning systems. The new 1U8111 Pump is for 60 Hz and has a capacity of 85 L/min (3 cfm). The new 1U8112 Pump is for 50 Hz and has a capacity of 64 L/min (2.3 cfm). Each pump weighs 12 kg (27 lb).
Both new pumps have much higher suction capacities and more voltage flexibility than the former pumps.
Each pump comes with 560 mm (22") of wire and instructions for wiring the pump for either 110V or 220V. Maintenance instructions are packaged with each pump. Plug connections are not provided.
The former 5P8572 and 5P8580 Pumps are canceled and replaced respectively by the new 1U8111 and 1U8112 Pumps.
Caterpillar Information System:
1987/11/30 New Caterpillar Excavator Service Reporting Codes Booklet For SIMS And Service Claims Use {0336}
1987/11/23 Improvements To Prevent Oil Leakage At Cylinder Heads{1100,1221}
1987/11/23 Improved Mounting Hardware For Electronic Control Group{1250,1259}
1987/11/23 Ring Retainer And New O-Ring Seal Used In The BrakeSaver Engine Oil Lines Group{1159}
1987/11/23 Connections For Water Conditioner Lines Changed{1350}
1987/11/23 Additional Parts Required For Installation Of C-336 Jacobs® Engine Brake{1119,1209,1210}
1987/11/23 Intake Valve Seals Used{1105,1300}
1987/11/23 Orifice Reverse Flow Check Valve Used In Fuel Injection Pumps{1251,1254}
1987/11/23 Correct Torque Value For Alternator Drive Pulley Retaining Nut Is Important{1405}
1987/11/16 New Water Temperature Regulator Helps Prevent Overcooling{1355}
1987/11/16 New 8C9705 12 Volt Converter Available To Power The 8T8697 Electronic Control Analyzer Programmer (ECAP){0600}
1987/11/16 New Air Powered Scraper Available For Gasket Removal{0600}
1987/11/30 The 8T5200 Signal Generator/Counter Group And Its Uses {0783,3000,3012}
1987/11/30 Oil Pan Size Identification {1302}
1987/11/30 Engine Oil Refill Capacity Reduced {1318,1326}
1987/11/30 Improved Starter Solenoid Prevents Contact Corrosion {1453}
1987/12/14 New Linings Available For Flywheel Clutch Brake Shoe Assemblies{3058}
1987/12/14 New Gaskets Used In Valve Mechanism Cover Group{1107,1120}
1987/12/14 Cooling System Troubleshooting Procedures For Generator Sets Equipped With Folded Core Radiators{1350}
1987/12/14 Improved Valve Mechanism Cover Groups{1107}
1987/12/14 New 1U5803 Connector Repair Kit Available{0785,0782}
1987/12/14 Earlier Flywheel Housings Can Be Modified For Use With Later Crankshafts{1157,1202}
1987/12/21 Improved VR3 Voltage Regulator Available For Earlier Generators{4474}
1987/12/21 Check Screen Assembly In Fuel Transfer Pump Inlet If Low Fuel Pressure Is Experienced{1256}