MTU 12-16V4000 High Pressure Pump Removal Guide

This instruction show you guide on how to remove high pressure pump for MTU 12-16V 4000 engine.

 

Related Contents:

2022 MTU DiaSys 2.74 2.72 Engine Diagnostic Software Free Download

MTU Diagnostic Tool USB-to-CAN with MTU Diasys 2.73

 

Procedures:

Remove O-ring (1).
Note: Remove intermediate element only if necessary (e.g. if damaged). Intermediate element
has been installed with thread-locking agent and must be heated to approx. 130°C before removal.
Remove intermediate element (2)
Note: Replacement high-pressure pumps are delivered without intermediate element.

Disassembly
No provision is made for disassembling the high-pressure pump.
The H.P. pump is a replacement part and available in the replacement programme.

Inspection and repair
Check high-pressure pump in a specialist workshop or at Manufacturer’s; have repaired if necessary.
Clean hex screws and check condition.
Make sure threads are in perfect condition; replace hex screw as necessary.
Check connection thread on high-pressure pump for perfect condition and ease of movement.
Check drive gear.
Check condition of wiring; replace if necessary.
Replace O-ring after each removal.

 

Installation

Installing H.P. pump
Coat thread of driver (1) with Loctite 270 thread-locking agent.

Screw driver (3) into pump shaft (2).
Note: Final strength of thread-locking agent at 20°C after 12 hours.
Coat O-ring (1) with petroleum jelly and insert into groove on high-pressure pump.

Clean and check sealing surface in support bore of equipment carrier.MTU Engine USB to CAN diagnostic adapter
Note: Before installing the high-pressure pump, the low-pressure pump with plug-in coupling must first be removed, as perfect insertion of the driver (high-pressure pump) in the plug-in
coupling is not guaranteed.

Attach H.P. pump (1) with support bracket to crane and carefully move into assembly bore.

Install hex screws for high-pressure pump and tighten uniformly

 

More repair case for MTU engine,please refer to:MTU Engine Trouble Repair

auto

Recent Posts

Scania Truck ALM 000463 Motion and Inclination Detector,Calibration Fault

This instruction show you guide on how to solve Scania truck motion and inclination detector,…

2 weeks ago

How to Solve JCB Excavator C130C-13 Spool Brake Solenoid Open Circuit

This instruction show you guide on how to solve JCB excavator 140 C130C-13 spool brake solenoid…

2 weeks ago

Scania Truck ALM Alarm System ALM404 Fault in the CAN Communication Solution

Scania truck fault in the CAN communication with the chassis management system (CMS),this instruction show…

4 weeks ago

Perkins Phaser/1000 Series Engine New Water Pumps Changed

The water pumps used on all Phaser/1000 Series engines have been changed. The changes to…

4 weeks ago

Deutz Engine EMR3 Request of Engine OFF Error Solution

Here is the simple instruction on how to solve Deutz engine EMR3 trouble code 48…

1 month ago

How to Use Cat ET 2025A Power Shift Pressure Test Function?

CAT ET 2025A Power Shift Pressure Test function checks whether that the proportional reducing valve is…

1 month ago