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caterpillar Causes and Solutions for Engine Vibrationcaterpillar Causes and Solutions for Engine Vibration

May 19, 2026May 19, 2026 heavydutydiag 0 Comment

Causes and Solutions for Engine Vibration (1) Possible Causes 1) Damping dampers. 2) Engine mount. 3) Driven equipment. 4) Engine...

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How to check the wheel oil level and change the wheel oil on a Backhoe Loader?How to check the wheel oil level and change the wheel oil on a Backhoe Loader?

May 18, 2026May 18, 2026 heavydutydiag 0 Comment

Check each hub separately. 1 Park the machine on level ground with the OIL LEVEL mark horizontal. There is a...

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How to perform a stress test on a Volvo engine cooling system?How to perform a stress test on a Volvo engine cooling system?

May 11, 2026May 11, 2026 heavydutydiag 0 Comment

Tools 9996441 Cover with Connector 9996662 Pressure Test Kit Before use, inspect the pressure test kit 9996662. See Cylinder Head,...

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Deutz BF4/6M2012 Diesel Engine Fuel Supply System IntroductionDeutz BF4/6M2012 Diesel Engine Fuel Supply System Introduction

May 10, 2026May 10, 2026 heavydutydiag 0 Comment

1. Low-Pressure Fuel Circuit Fuel exits from fuel tank 1, passes through diesel pump 3, and enters diesel filter 5....

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How to drain sediment from the JCB Loader settling bowlHow to drain sediment from the JCB Loader settling bowl

May 9, 2026May 9, 2026 heavydutydiag 0 Comment

1 Park the machine on firm level ground, engage the parking brake and set the transmission to neutral. Lower the...

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How to check the foot brake fluid level using JCB LoaderHow to check the foot brake fluid level using JCB Loader

May 8, 2026May 8, 2026 heavydutydiag 0 Comment

! WARNING Faulty brakes can kill. If you have to add oil to the brake reservoir regularly get the brake...

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Causes and solutions for overspeeding in C4.4 and C6.6 engines of caterpillar320E excavators.Causes and solutions for overspeeding in C4.4 and C6.6 engines of caterpillar320E excavators.

May 7, 2026May 7, 2026 heavydutydiag 0 Comment

Possible Causes • Continue downhill on a steep slope (if applicable) • Diagnostic code • One or more turbochargers •...

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Troubleshooting mechanical noise (clattering sound) in the 320EEXCAVATOR AWS engineTroubleshooting mechanical noise (clattering sound) in the 320EEXCAVATOR AWS engine

May 6, 2026May 6, 2026 heavydutydiag 0 Comment

Possible causes: • Current and recorded codes • Electrical connections • Fuel injection • Fuel quality • Proper lubrication •...

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Top 5 Factors Causing Electrical System Problems in Hitachi Compact ExcavatorsTop 5 Factors Causing Electrical System Problems in Hitachi Compact Excavators

April 30, 2026April 30, 2026 heavydutydiag 0 Comment

1. Weak or Dead Battery The battery powers the excavator’s electrical system, including the starter, lights, and control systems. A...

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How to remove and clean the Radiatorthe Isuzu (4JH1 model) engineHow to remove and clean the Radiatorthe Isuzu (4JH1 model) engine

April 29, 2026April 29, 2026 heavydutydiag 0 Comment

Removal 1.Disconnect the battery cable negative terminal. 2.Drain the engine coolant. 3.Remove the engine cover.(Non-tilt cab model only) 4.Remove tne...

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