MQ Power DCA600SSK — Bosch-Zexel Red-III Electronic Governor Warranty Upgrade Corrective Action
Repair & overhaul · Fuel Injection Pump / Electronic Governor
For the MQ Power DCA600SSK, from the MQ Power service manual.
Applies to: MQ Power DCA600SSK
Before you start
- Failure to comply may result in catastrophic engine failure!
- ALL REPAIRS MUST BE MADE BY THE CERTIFIED KOMATSU & BOSCH-ZEXEL PROFESSIONAL. MQ POWER IS NOT RESPONSIBLE FOR ANY DAMAGES TO EQUIPMENT AND/OR COMPONENTS RESULTANT FROM UNQUALIFIED PERSONNEL.
Procedure
- Locate Generator(s) within your fleet. Get Generator, Engine and Fuel Injection Pump (FIP) Serial Numbers and unit hours.
- Contact MQ Power (800) 835-2551 for Warranty Repair information. Provide MQ Power with unit serial number and hours.
- MQ Power opens warranty claim with local Komatsu America Dealer; dealer dispatches technician to remove FIP and send to nearest Bosch-Zexel Authorized Repair Facility.
- Bosch-Zexel Authorized Repair Facility replaces Electronic Governor Assembly; pump run on test bench to ensure operation within manufacturer specifications.
- If FIP has water/contaminated fuel damage or worn parts, repair estimate provided to restore pump; these parts not covered under warranty.
- Bosch-Zexel Authorized Repair Facility returns upgraded fuel injection pump to Komatsu Dealer for installation.
- Komatsu Dealer installs upgraded Fuel Injection Pump, times FIP to engine, bleeds air from lines, checks engine operation.
Full service-parts list: MQ Power DCA600SSK →
Source: MQ Power service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.