1980/02/25 Caterpillar

Drawings Available For Six Tools Used During Repairs Of Damaged Pin Bores In Two-Piece Booms{6501,0665}

Usage:

215 And 235 Excavators

Drawings are now available for six tools used to make repairs (rebore) to damaged pin bores in two-piece booms for 215 and 235 Excavators equipped with two-piece booms.

Damaged pin bores in the foreboom can be rebored if there are two sets of pin bores in the foreboom that are not damaged. Damaged pin bores in the stub boom can be rebored even if all three sets of pin bores are damaged.

The FT1456 Fixture, FT1457 Pin, FT1458 Bushing and FT1459 Pin are used to rebore booms for 215 Excavators. The FT1461 Bushing and FT1462 Fixture are used to rebore booms for 235 Excavators.

Special Instruction Form No. SMHS7625 has the complete procedure and equipment list necessary for these operations.

Drawings for the new tools are available from your Division Service Manager.

Caterpillar Information System:

1980/02/25 Plunger Movement Must Be Adjusted When New Rack Shut-Off Solenoid Is Installed{1259}

1980/02/25 Stronger Braces Used Between Air Cleaner And Engine{1051}

1980/02/25 Revision Of Special Instruction Form No. SMHS7267, "Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets" Has Important Changes{1307}

1980/02/25 How To Check Operation Of Hydramechanical Shutoffs On D379B, D398B, D399 Engines{7418}

1980/02/11 Use The Correct Water Temperature Contactor{1350,1100}

1980/02/11 Warning: Avoid Use Of Fuel Mixtures Of High Volatility. If You Are Exposed To Such Mixtures, Be Aware Of The Hazards Involved And Take Proper Precautions{1280}

1980/02/04 Real Value Available Through Caterpillar Remanufacturing Programs{0374}

1980/02/04 Change To Gear On Accessory Drive Shaft Assembly Gives Longer Service Life{1207,1206}

1980/02/04 New Cylinder Liner Has Improved Design To Keep Liner Temperatures Lower{1216}

1980/01/28 Oil Drain Hole Added To Spacer Plate Cylinder Block To Permit Use Of Scroll Fuel System{1201,1221}

1980/01/28 New Attachment Air Compressor Group and Lines Groups Have Improved Design{1065}

1980/01/28 Installation Procedures For 5N5880 Remote Shut-Off Group And 5N6336 Oil Pressure Indicator Gauge Group{7418,7403,7455}

1980/02/25 Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems{1252,1254}

1980/03/03 Spacer Plate Block Group Used For Parts Service Of Block Group With Counterbore Design{1101,1201}

1980/03/03 Connecting Rod Changes And Replacement Information{1218}

1980/03/03 Fuel Heaters Are Now Available For Field Installation{1296}

1980/03/24 Inspect Regulator Cover Assembly When Overcooling Is A Problem{1350,1380}

1980/03/24 Crankshaft Rear Seal And Wear Sleeve Are Now Serviced As A Group Instead Of Separate Parts{1161}

1980/03/24 New Top Piston Ring Has Plasma-Coated Face{1215}

1980/03/24 8S2252 Carbon Seal Tool Can Be Adapted For Use On 8N7001 Fuel Nozzle Assembly{0611,1254}

1980/03/24 Different Water Temperature Regulators Now Used To Prevent Overheating{1355}

1980/03/24 Visual Inspection Of Main And Connecting Rod Bearings{1203,1219,1230}

1980/03/24 New Fuel Injection Lines And Clamps Prevent Stresses And Contact Which Can Cause Leakage{1252}

1980/03/24 An Increase In Engine RPM Will Extend Vanes In Hydraulic Oil Pump To Start Pump Output{5055,5068}