Hatz 4H50TIC User Manual

CAUTION
Danger of later engine damage.
▪ Operating the engine with a coolant level below the MIN.
mark can lead to engine damage.
▪ When checking the coolant level, the engine must be hori-
zontal and be switched off.
Overview
MAX
MIN
MAX
MIN
12
43
1 Expansion tank for coolant
2 Sealing cap
3 MAX - Maximum coolant level
4 MIN - Minimum coolant level
Procedure for checking the coolant level
Step Activity
1 The coolant must be between the MIN and MAX marks on a
switched-off and cooled-down engine. For a warm engine, the
level can also be slightly above the MAX mark.
Procedure for topping up coolant
Step Activity
1 Open the sealing cap (2).
2 Top up prepared coolant to the MAX mark on the expansion
tank. Preparation of the coolant, see the chapter 4.4 Coolant,
page 23.
3 Tighten the sealing cap (2) by hand all the way.
Maintenance 4H50TIC
58 Operator's Manual
HATZ

Hatz 4H50TIC Specifications

General

Compression Ratio	17.5:1
Cooling System	Liquid-cooled
Engine Type	4-cylinder, turbocharged, intercooled diesel engine
Fuel System	Direct injection
Emissions Standard	EU Stage V

Summary

3 Safety

3.2 Safety notes and instructions

Details specific safety instructions for various operational aspects.

4 Technical data

4.1 Engine specifications and fluid quantities

Lists key engine specifications and fluid capacities.

4.3 Engine oil recommendations

Details recommended engine oil quality and viscosity.

4.5 Fuel type specifications

Specifies the types of diesel fuel suitable for the engine.

6 Transport, assembly, and commissioning

6.1 Transporting the engine safely

6.4 Engine oil filling procedure

6.5 Cooling system filling

7 Operation and use

7.1 Operational safety notes

Important safety precautions before and during operation.

7.3 Starting the engine

Step-by-step guide on how to start the engine.

7.4 First-time/post-filter change engine start

Specific procedures for initial startup or after filter replacement.

7.5 Switching off the engine

7.6 Checking and adding engine oil

Procedures for checking and topping up engine oil.

7.7 Engine refueling guidelines

8 Maintenance

8.1 General maintenance instructions

General safety and procedural guidelines for maintenance.

8.2.1 Maintenance plan

Schedule of maintenance tasks based on operating hours.

8.2.2 Intake area combustion air check

8.2.3 Radiator fins dirt check

8.2.4 Cooling system check

8.2.5 Engine oil and filter change

Procedure for replacing engine oil and filter.

8.2.6 Cleaning radiator fins

8.2.7 Tensioning the poly v belt

8.2.8 Replacing poly v belts

8.2.9 Changing crankcase ventilation oil separator

8.2.11 Draining water separator

8.2.12 Changing fuel prefilter

Procedure for replacing the fuel prefilter.

8.2.13 Changing fuel fine filter

Procedure for replacing the fuel fine filter.

8.2.14 Servicing air filter (optional)

8.2.15 Changing coolant

9 Faults

9.1 Fault table

Lists engine faults, their possible causes, and remedies.