Diesel engine 12V 4000 G73, 16V 4000 G73. Manual - part 26

7.13.3 Engine-oil – Sample extraction and analysis

Preconditions

☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.

Special tools, Material, Spare parts

Designation / Use

Part No.

Qty.

MTU test kit

5605892099/00

1

DANGER

Unguarded rotating and moving engine components.

Risk of serious injury – danger to life!

• Take special care when working on a running engine.

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.

WARNING

Engine noise above 85 dB (A).

Risk of damage to hearing!

• Wear ear protectors.

Engine-oil sample extraction and

analysis, variant A

1.

With the engine running at operating tem‐

perature, open screw on flange of centrifu‐

gal oil filter by 1 to 2 rotations.

2.

Drain approx. 2 liters engine oil to flush out

the oil sludge.

3.

Drain approx. 1 liter engine oil into a clean

container.

4.

Close screw.

5.

Using the equipment and chemicals of the

MTU test kit, examine oil for:

• Dispersion capability (spot test);

• Water content;

• Dilution by fuel.

Engine-oil sample extraction and

analysis, variant B

1.

With the engine running at operating tem‐

perature, open screw on automatic oil filter

by 1 to 2 rotations.

2.

Drain approx. 2 liters engine oil to flush out

the oil sludge.

3.

Drain approx. 1 liter engine oil into a clean

container.

4.

Close screw.

5.

Using the equipment and chemicals of the

MTU test kit, examine oil for:

• Dispersion capability (spot test);

• Water content;

• Dilution by fuel.

TIM-ID: 0000014111 - 001

7.14 Oil Filtration / Cooling

7.14.1 Engine oil filter – Replacement

Preconditions

☑ Engine is stopped and starting disabled.

Special tools, Material, Spare parts

Designation / Use

Part No.

Qty.

Filter wrench

F30379104

Engine oil
Oil filter

(→ 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.

Engine oil filter – Replacement

1.

Remove engine oil filter using filter wrench.

2.

Clean sealing surface on connecting piece.

3.

Check condition of new engine oil filter

sealing ring and coat it with engine oil.

4.

Screw on and tighten new engine oil filter

by hand.

5.

Replace further engine oil filters in the

same way.

6.

Check engine oil level (→ Page 102).

7.

After oil change and oil filter replacement,

bar engine with starting system

(→ Page 64).

7.14.2 Automatic oil filter – Oil filter candles replacement

Preconditions

☑ Engine is stopped and starting disabled.

Special tools, Material, Spare parts

Designation / Use

Part No.

Qty.

Grease (Kluthe Hakuform 30-10/Emulgier)

X00029933

1

Engine oil
O-ring

(→ Spare Parts Catalog)

Oil filter candles

(→ 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.

CAUTION

Contamination of components.

Damage to component!

• Observe manufacturer's instructions.

• Check components for special cleanness.

Oil filter candles – Removal

1.

Remove nuts (2) from oil filter cover (1).

2.

Remove oil filter cover.

TIM-ID: 0000006401 - 003