Diesel engine 12V 4000 G73, 16V 4000 G73. Manual - part 25

7.12 Starting Equipment

7.12.1 Air starter – Manual operation

DANGER

Unguarded rotating and moving engine components.

Risk of serious injury – danger to life!

• Before barring or starting the engine, make sure that nobody is in the danger zone.

WARNING

Engine noise above 85 dB (A).

Risk of damage to hearing!

• Wear ear protectors.

Air starter – Manual operation

1.

Operate pushbutton for manual start (ar‐

row) and hold.

2.

Allow compressed air to enter the air start‐

er, until the engine fires evenly.

3.

Release pushbutton.

7.13 Lube Oil System, Lube Oil Circuit

7.13.1 Engine oil level – Check

Preconditions

☑ Engine shut down and starting disabled.

Checking oil level prior to engine

start

1.

Withdraw oil dipstick from guide tube and

wipe it.

2.

Insert oil dipstick into guide tube up to stop,

withdraw after approx. 10 seconds and

check oil level.

Note:

After extended standstill, the oil level may

exceed the mark (1) by up to 2 cm. This

can be caused by oil flowing from e.g. oil fil‐

ter or heat exchanger back to the oil pan.

3.

The oil level must reach mark (1) or exceed

mark (1) by up to 2 cm.

4.

Top up with oil to mark (1) as necessary

(→ Page 103).

5.

Insert oil dipstick into guide tube up to the

stop.

Checking oil level after the engine is stopped

1.

5 minutes after stopping the engine, remove oil dipstick from the guide tube and wipe it.

2.

Insert oil dipstick into guide tube up to stop, withdraw after approx. 10 seconds and check oil level.

3.

Oil level must be between marks (1) and (2).

4.

Top up with oil to mark (1) as necessary (→ Page 103).

5.

Insert oil dipstick into guide tube up to the stop.

TIM-ID: 0000000931 - 009

7.13.2 Engine oil – Change

Preconditions

☑ Engine is stopped and starting disabled.
☑ Engine is at operating temperature.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.

Special tools, Material, Spare parts

Designation / Use

Part No.

Qty.

Torque wrench, 40-200 Nm

F30027337

1

Ratchet adapter

F30027341

1

Engine oil
Sealing ring

(→ Spare Parts Catalog)

WARNING

Hot oil.

Oil can contain combustion residues which are harmful to health.

Risk of injury and poisoning!

• Wear protective clothing, gloves, and goggles / safety mask.

• Avoid contact with skin.

• Do not inhale oil vapor.

Procedure without pump: Draining oil via drain plug(s) on oil pan

1.

Provide a suitable container to collect the oil.

2.

Remove drain plug(s) and drain oil.

3.

Install drain plug(s) with new sealing ring.

Procedure with pump: Oil extraction

1.

Provide a suitable container to collect the oil.

2.

Extract all oil from oil pan using the pump.

Draining residual oil at equipment

carrier

1.

Provide a suitable container to collect the

oil.

2.

Remove drain plug (1) and drain oil (ap‐

prox. 7 liters) from oil heat exchanger and

oil filter.

3.

Remove drain plugs (2) and (3) and drain

oil:

• at drain plug (2) approx. 12 liters

• at drain plug (3) approx. 5 liters

4.

Install drain plug(s) with new sealing ring.

5.

Tighten drain plugs (2) and (3) with torque wrench to the specified torque.

Name

Size

Type

Lubricant

Value/Standard

Screw

M26 x 1.5 Tightening torque

(Engine oil)

100 Nm +10 Nm

Filling with new oil

1.

Open cover on filler neck.

2.

Fill oil through filler neck up to "max." mark

at oil dipstick.

3.

Close cover on filler neck.

4.

Check engine oil level (→ Page 102).

TIM-ID: 0000006152 - 004