Diesel engine 12V 4000 G73, 16V 4000 G73. Manual - part 1

1 Safety

1.1 General conditions

General

In addition to the instructions in this publication, the applicable country-specific legislation and other com‐

pulsory regulations regarding accident prevention and environmental protection must be observed. This

state-of-the-art engine has been designed to meet all applicable laws and regulations. The engine may

nevertheless present a risk of injury or damage in the following cases:

• Incorrect use

• Operation, maintenance and repair by unqualified personnel

• Modifications or conversions

• Noncompliance with the Safety Instructions

Correct use

The engine is intended solely for use in accordance with contractual agreements and the purpose envis‐

aged for it on delivery. Any other use is considered improper use. The engine manufacturer accepts no

liability whatsoever for resultant damage or injury in such case. The responsibility is borne by the user

alone.
Correct use also includes observation of and compliance with the operating instructions and mainte‐

nance and repair specifications.

Modifications or conversions

Unauthorized modifications to the engine represent a safety risk.
MTU will accept no liability or warranty claims for any damage caused by unauthorized modifications or

conversions.

Spare parts

Only genuine MTU spare parts must be used to replace components or assemblies. MTU accepts no

liability whatsoever for damage or injury resulting from the use of other spare parts and the warranty shall

be voided in such case.

Reworking components

Repair or engine overhaul must be carried out in workshops authorized by MTU.

1.2 Personnel and organizational requirements

Personnel requirements

Work on the engine must only be carried out by appropriately qualified and instructed personnel.
Observe the minimum legal age.
Responsibilities of the operating, maintenance and repair personnel must be specified by the operating

company.

Organizational measures

This publication must be issued to all personnel involved in operation, maintenance, repair or transporta‐

tion.
Keep it handy in the vicinity of the engine such that it is accessible to operating, maintenance, repair and

transport personnel at all times.
Use the manual as a basis for instructing personnel on engine operation and repair. In particular, person‐

nel must have read and understood the safety-relevant instructions.
This is especially important for personnel who work on the engine only on an occasional basis. These

persons shall receive repeated instruction.
Use the Spare Parts Catalog to identify spare parts during maintenance and repair work.

Working clothes and protective equipment

Wear proper protective clothing for all work.
Depending on the kind of work, use the necessary personal protective equipment.

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1.3 Transport

Transport

Lift the engine only with the lifting eyes provided.
The lifting eyes are designed for engine transport only.
Use only the transport and lifting equipment approved by MTU.
The engine must only be transported in installation position, max. permissible diagonal pull 10°.
Take note of the engine center of gravity.
In the case of special packaging with aluminum foil, suspend the engine on the lifting eyes of the trans‐

port pallet or transport with equipment for heavy loads (forklift truck).
Prior to transporting the engine, it is imperative to install transportation locking devices for crankshaft and

engine mounts.
Secure the engine against tilting during transportation. The engine must be especially secured against

slipping or tilting when going up or down inclines and ramps.

Setting the engine down after transport

Place the engine only on an even, firm surface.
Ensure appropriate consistency and load-bearing capacity of the ground or support surface.
Never place an engine on the oil pan, unless expressively authorized by MTU on a case-to-case basis to

do so.

1.4 Crankshaft transport locking device

Special tools, Material, Spare parts

Designation / Use

Part No.

Qty.

Torque wrench, 10-60 Nm

F30510423

1

Torque wrench, 60-320 Nm

F30047446

1

Engine oil

Transport locking device

Note:

The locking device protects the crankshaft bearings from shocks and vibration damage during engine

transport.

For installation and removal of the transport locking device, follow the instructions

below:

1.

The transport locking device must remain installed as long as possible during engine installation in order

to avoid damage.

2.

Starting or barring the engine is allowed only with the transport locking device removed. If the generator

is already mounted on the engine, ensure that the transport locking device of the generator is also re‐

moved.

3.

Prior to every engine transport, the transport locking device must be reinstalled on both sides according

to the instructions.

4.

If the engine is to be moved together with the generator, the transport locking device for the generator

must also be installed.

Removing guard plates and engine

mounting brackets (if applicable)

on driving end (KS)

1.

Remove screws (4) om both sides and take

off with washers (3), guard plates (1) and

engine mounting brackets (2).

2.

Store the removed parts of the transport

locking device carefully for possible reuse.

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