1980/05/26 Caterpillar


New Check Valve Used In Fuel Injection Pump Assembly{1251}

Usage:


3208 Industrial Engines

Description of Change: A new check valve is used in the fuel injection pump assembly for the sleeve metering fuel system on 3208 Industrial Engines. The new check valve has a groove in its face. The groove prevents hydraulic lock between the injection pump and cap nozzle at shut-off.

Formerly, a check valve without a groove was used.

Adaptable As: The new check valve is a direct replacement for the former check valve, as shown in the chart, for this application. The former check valve is still available for use in other applications.

Caterpillar Information System:

1980/05/26 6V97 Engine Stand Is Available{0626}
1980/05/19 New Plug With Straight-Threads Used In Engine Variable Timing Drive{1272}
1980/05/19 "Viscor Cup" Available To Check SAE J967 Calibration Fluid For Fuel Injection Test Bench{0651}
1980/05/19 Turbine Wheel Shroud Design Changed; Snap Ring No Longer Used{1052}
1980/05/19 Important: 7V2253 Anti-Creep Slides Must Be Correctly Installed, And Adjusted With The Seat Belt{7327}
1980/05/12 Changes To Oil Level Gauge Group Improve Accuracy Of Oil Level Indications, Increase Oil Capacity Of 245 Excavators And Front Shovels{1300}
1980/05/12 Bushing Bores In Boom Can Be Machined In The Field{6501,0664}
1980/05/12 Possible Cause Of A Low Idle Misfire And/Or Backfire{1278,1076,1250}
1980/05/12 New Part Available To Check The 3S1467 Plunger And Barrel Assemblies{1251,1252,0652}
1980/05/12 Boss Can Be Removed From Spacer Plate Cylinder Block To Get Clearance For Oil Filler Tube{1201,1316}
1980/05/12 "I checked everything but..."{0100}
1980/05/12 Improvements To Engine Oil Lines Group Makes Installation Easier; Prevents Reverse Connections{1307,1318,1155}
1980/05/26 Four Fabricated Tools Available To Adjust Carrier Bearing Preload And Backlash (Tooth Clearance) For Bevel Gear And Pinion{0611,3258,3256,3257}
1980/05/26 6V6 Electrical Connector Pliers Available{0613}
1980/06/02 Improved Procedure Can Be Used To Adjust Voltage Gain{4467}
1980/06/02 Reverse Flow Check Assembly Now Used In Fuel Injection Pump Assemblies{1251,1272,1254}
1980/06/02 Oil Pump Drive Sleeves Now Available Separately For Parts Service{3300}
1980/06/02 New Cylinder Sleeve Is Available For Repairs Of Worn And/Or Damaged Cylinders{1216,1201}
1980/06/09 6V2050 Tapered Rod Tool Group Available For Removal And Installation Of Bearings{1219,1218,1214}
1980/06/09 Check For Short Circuit In Rotor Field Windings If Low AC (Alternating Current) Voltage Is A Problem{4455,4457}
1980/06/16 6V3115 Repair Kit Is Available{0611,1380,1353}
1980/06/16 6V3075 Dial Indicator (Metric) Is Available{0653}
1980/06/16 Timing Groups To Be Canceled{0654,1250}
1980/06/23 Visual Checks And Easy Tests Can Be Of Assistance When Troubleshooting Coolant Leakage Into The Lubrication System{1305,1318}
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