How to eliminate the cause of vibration failure of 3126B diesel engine for Caterpillar excavator
12.2021 Caterpillar ECM ECU Flash Files Full Set Download
1 Causes of vibration failure
(1) The shock absorber or bolt is damaged.
(2) The diesel engine bracket is loose or broken.
(3) The drive accessory is faulty.
(4) The diesel engine has poor combustion or rough operation.
2023 CAT ET 2023A 2023C & 2019C Full Service Download and Installation Service
2. Troubleshooting
(1) Check whether the shock absorber is damaged. If necessary, install new shock absorbers. Check the mounting bolts for damage or wear. Replace damaged bolts.
(2) Run the diesel engine within the allowable speed range, and check the supports and brackets to see if they are loose or cracked. Tighten all mounting bolts. If necessary, install new parts.
(3) Check the alignment and balance of the drive attachment.
Caterpillar CAT Factory Password Calculator Generator 10 Digits VM Version
(4) To troubleshoot the diesel engine misfire or unstable operation, please refer to Section 8 of this section.
