1998/08/10 Caterpillar

Use 146-1738 Borescope for Internal Inspection of Caterpillar Products {0777}

Usage:

All Models

Warranty: Y

Features/Benefits

* Used to make internal surface inspections without disassembly of component

* 12 inch Precision Hawkeye

* Light source is from Mini-Maglight (two AA batteries)

* Fits bores sizes as small as 6.35 mm (.25 in) and reaches 305 mm (12 in)

* Views surfaces straight ahead or has an adapter for 90° viewing (90° adapter rotates 360° without rotating borescope)

* Adjustable-focus eyepiece allows viewer to get as close as 1.0 mm (.040 in) to surface up to infinity

* Supplied with rugged lightweight carrying case, foam insert, and Tool Operating Manual

* Service parts include: 1U-7329 Light Bulb, 1U-9538 Battery, Heavy Duty (AA size), 1U-9533 Battery, Alkaline (AA size), 1U-7323 Flashlight, Standard (2, AA batteries)

Specifications/Technical Information

Viewing depth - 305 mm (12.0 in)

Overall length - 355 mm (14.0 in)

Field of view - 40°

Clarity - 1,143 line pairs per inch @ .2 in

Tube diameter - 6.4 mm (.25 in)

146-1738 Precision Borescope

Reference

NEHS0683; Tool Operating Manual

Caterpillar Information System:

1998/08/10 Use Hydraulic Torque Wrenches and Accessories for High Torque and/or Low Clearance Applications 132-8112 HY-1XLT 132-8119 HY-3XLT 132-8126 HY-5XLT 132-8133 HY-10XLT 1U-6221 HY-2XLCT 132-8159 HY-4XLCT 132-8183 HY-8XLCT 132-8206 HY-4ULC 132-8223 Power

1998/08/10 Heavy-Duty 151-0968 Variable Speed, Inch, Reversing Drill now available {0600}

1998/08/10 Foot Rests Can Be Added To Certain Asphalt Compactors {7253,7312}

1998/08/10 Adding Plug And Breather Extends Service Life Of Drum Eccentric Bearings By Reducing Contamination {6605}

1998/08/10 Service Information For Off-Highway Truck Transmissions {3080,3030,3050}

1998/08/10 Disassembly and Assembly Module, SENR1461, "3516B Engine"; Disassembly and Assembly Module, SENR1462, "Power Train"; Disassembly and Assembly Module, SENR1463, "Machine Systems"; Now Available for 793C Off-Highway Trucks

1998/08/10 Hydraulic Line Routing Change Will Decrease Possible Contamination On Certain Off-Highway Trucks {5057}

1998/08/10 Improved Rear Brake Groups Available for 789 and 789B Off-Highway Trucks {4006,4008}

1998/08/10 Use 143-5455 Lifting Bracket for Torque Converter Removal and Installation {1003,3101,4092}

1998/08/10 Use 143-4987 Lifting Bracket Adapter to Remove and Install Planet Carrier Assembly {3816}

1998/08/10 New Window Kit Available {7310}

1998/08/10 The Causes Of Worn And Broken Piston Rings {1215}

1998/08/10 Use Recommended Repair Parts for Torque-Turn Track Wrench 5000 {4172,0602}

1998/08/10 Use 147-1758 Filter Element, 134-5901 Spares Kit, 135-6547 Auxiliary Filter, and 1R-0712 Fuel Filter to Perform Maintenance for Hartridge AVM Test Bench {1250,0782}

1998/08/17 Belt Selection, Bolt Torque, And Special Application Drive Wheel Scraper Maintenance Recommendations {4199}

1998/08/17 New Service Meter Increases Reliability {7480}

1998/08/17 New Integral Seal Replaces Gasket In Engine Water Lines Groups {1380}

1998/08/17 Use 150-2505 Maintenance Tool Group For Pipelayer Maintenance {0600}

1998/08/17 Remanufactured Wheel Stations And Wheel Station Components For Off-Highway Trucks {3001,4051}

1998/08/17 Use 123-4588 Plate Gauge To Measure Shim Pack Thickness {4314}

1998/08/17 Improved Pilot Valve Group Now Available {4805}

1998/08/17 Service Code May Be Logged If Implement Levers Are Moved Prior To Start Up {5737,6116,7490}

1998/08/17 Correction To Operational Check And Zero Check For LSI (Type 2 System) {7455,7400,1706,1408}

1998/08/17 Use 125-0201 Guide Assembly For Camshaft Installation {1202}