994D Wheel Loader Caterpillar


Welding on Machines and Engines with Electronic Controls

Usage:

994D 3TZ
Diperlukan prosedur pengelasan yang benar untuk menghindari terjadinya kerusakan pada alat kontrol elektronik serta pada bantalan-bantalannya. Langkah berikut harus diikuti bilamana melakukan pengelasan pada alat berat atau sebuah engine yang dilengkapi alat kontrol elektronik.

  1. Matikan engine. Putar sakelar start engine keposisi OFF.

  1. Bila terpasang, putar sakelar pemutus hubungan baterai ke posisi OFF. Apabila tidak terdapat sakelar pemutus hubungan baterai, lepaskan kabel negatif baterai.


    PERHATIAN

    JANGAN menggunakan komponen-komponen listrik (ECM atau sensor-sensor ECM) atau titik ground dari komponen elektronik sebagai tempat penyambungan kutub ground dari alat las.


  1. Klemkan kabel arde dari alat las ke komponen yang akan di las. Letakkan klem sedekat mungkin dengan lokasi pengelasan. Pastikan bahwa alur kelistrikan dari kabel arde tidak melintas melalui sembarang bantalan. Gunakan prosedur ini untuk mengurangi kemungkinan terjadinya kerusakan pada komponen-komponen berikut:

    • Bantalan-bantalan rangkaian penggerak

    • Komponen-komponen hidrolik

    • Komponen-komponen elektrik

    • Komponen-komponen lainnya dari alat berat.

  1. Lindungi sembarang rangkaian kabel dari kotoran yang dihasilkan oleh pengelasan. Lindungi sembarang rangkaian kabel dari percikan bunga api yang dihasilkan oleh pengelasan.

  1. Gunakan prosedur pengelasan standar untuk mengelas material menyatu.

Caterpillar Information System:

2003/08/25 A New Solenoid Provides Better Starting Conditions {1259}
2003/08/25 A New Latch Assembly Is Used on the Wheel Skidders {7251}
Installation and Removal of the V-PAT Bulldozer{6050} Installation and Removal of the V-PAT Bulldozer{6050}
583T Pipelayer Engine Oil Sample - Obtain
583T Pipelayer Engine Oil Level - Check
2004/09/27 A New Solid Retaining Ring Replaces The Spiral Lock Ring in the Transmission Clutches {3030, 3155}
2004/09/27 New Check Valve For The Ride Control System {5067}
583T Pipelayer Engine Crankcase Breather - Clean
583T Pipelayer Engine Air Precleaner - Clean
D8T Track-Type Tractor Final Drive Oil Sample - Obtain
D8T Track-Type Tractor Cutting Edges and End Bits - Inspect/Replace
2003/08/25 Idler Guards are Available to Extend Life of the Track link and Roller {7169}
D8T Track-Type Tractor Fuses and Circuit Breakers - Replace/Reset
C11 and C15 Engines for Caterpillar Built Machines CID 0102 FMI 04 Boost Pressure Sensor short to ground
994D Wheel Loader Cooling System Coolant Level - Check
D8T Track-Type Tractor Ether Starting Aid Cylinder - Replace
2003/09/01 Correction to Testing and Adjusting , "Margin Pressure Adjustment Procedure" {4306, 5070, 5086}
D8T Track-Type Tractor Final Drive Oil - Change
D8T Track-Type Tractor Final Drive Oil Level - Check
D8T Track-Type Tractor Fuel System - Prime
C27 and C32 Engines for Caterpillar Built Machines CID 0342 FMI 08 Secondary Engine Speed signal abnormal
C27 and C32 Engines for Caterpillar Built Machines CID 0172 FMI 03 Intake Manifold Air Temp open/short to +batt
C27 and C32 Engines for Caterpillar Built Machines CID 0172 FMI 04 Intake Manifold Air Temp short to ground
C27 and C32 Engines for Caterpillar Built Machines CID 0262 FMI 03 5 Volt Sensor DC Power Supply short to +batt
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