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

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1998/07/20 New Seat Belts Prevent Self Tightening and Improve Operator Comfort{7327}

1998/07/20 Priming The 144-0835 Unit Injector Hydraulic Pump{1714}

1998/07/13 Circuit Breakers Are Changing From Red To Blue Reset Buttons{1420}

1998/06/29 Re-Alignment Warning Tag On All 3500 Generator Sets Reminds Of Alignment Required At Installation {1021}

1998/06/22 New Guideline For Product Information, SEBF8340, " Fuel Systems Troubleshooting Guide For 3204, 3300, And 3400 Engines With New Scroll Fuel Systems (NSFS)" Available {0374,1250}

1998/06/22 More Frequent S·O·S Oil Analysis Improves Component Life Cycle Management {7577,7542,7576,7571,7574,7578,7575,7573}

1998/06/01 Manufacturing Process Improvement Increases Reliability Of Speed Sensors {1900}

1998/06/01 Proper Checking For Refrigerant Leaks Ensures Maximum Service Life Of Refrigerant Compressor {1802,1809,7320}

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 Use 125-0201 Guide Assembly For Camshaft Installation {1202}

1998/08/17 Use 150-3992 And 150-3993 Timing Pins For Fuel Injection Pumps {1251,1251,1000}

1998/08/17 Use 136-3113 Timing Gauge To Time Engines With Bosch Pump {1251}

1998/08/17 Use 146-2597 Rocker Arm Bearing Installation Tool To Hold Push Rods In Place {1208}

1998/08/17 Use 146-2726 Maintenance Tool Group To Perform Routine Maintenance {1000,1000,0701}

1998/08/17 Use 148-9704 Seal Installers For High Pressure Aftercoolers {1063,7555}

1998/08/17 Use 151-8689 Seal Template Tool For Cylinder Head Combustion Surface {1101}

1998/08/17 Heavy Duty, High Intensity Flashlights 149-8322 Flashlight 149-8331 Flashlight 149-8333 Flashlight 149-8334 Flashlight 149-8335 Flashlight 149-8327 Helmet Light Holder {0701}

1998/08/17 Use 148-9610 Personal Computer Cart To Hold PC, Monitor, Printer, And Data View Hardware {7600}

1998/08/24 Proper Mounting Of Electrical Arc Suppressors {1408,4466}