Hatz Diesel 4H50TIC Gebrauchsanweisung

Workshop Manual

4H50 TIC

439 002 00 - 07.2015e Printed in Germany

Contents

Preface

1. General

Engine illustrations

Technical data

Type plate details

Lubricating oil circuit

Cooling circuit

Sealants and adhesives

Special tools and workshop equipment

2. Additional equipment

Z 01 Main fuel filter

Z 02 Suction hose

Z 03 Oxidation catalytic converter

Z 05 Alternator

Z 05 Starter

Z 06 Engine base

Z 07 Oil cooler

Z 30 Fan

Contents

3. Basic engine equipment

M 01 Cylinder crankcase

M 02 Crankshaft

M 04 Camshaft

M 02 Crankshaft gear wheel

M 01 Connector housing

M 17 Flywheel

M 10 Oil pump

Z 30 Pulley

M 05 Piston and conrod

M 10 Intake manifold

M 01 Oil sump

M 36 Water pump

M 01 Roller tappet

M 07 Cylinder head

M 07 Rocker arm

M 08 Cylinder head cover

Z 05 Glow plugs

M 07 Thermostat, temp. sensor

M 28 Exhaust manifold

M 28 Turbocharger

M 30 Lifting device

M 37 Exhaust gas return

M 14 Injection system

M 31 Crankcase ventilation

4. Tables

Screw tightening torque

Identification on wiring diagrams

HATZ cable marking

Bosch designation for cable marking

Cable harness max.

Cable harness min.

Wiring diagrams

CAN speed adjustment

Analog speed adjustment

Cable routing

Charge current curve

Preface

This Workshop Manual corresponds to the technical status as stated

on each page (month / year). It has been conceived so that only a trained mechanic (instructed

yearly) can perform all repairs trouble-free.

Notes on how to clean parts etc. have been omitted, as it is taken for granted that this is known

and will be accomplished.

All work may only be performed with the specified or absolutely equivalent tools.

It is a prerequisite that normal "hand tools" are at hand.

With respect to maintenance work, tools, troubleshooting, etc., we refer to the operator's manual.

Only use genuine Hatz original spare parts for repairs!

Only these parts guarantee problem-free dimensional accuracy and quality.

In addition, the general statutory regulations and those of the responsible professional trade as-

sociations apply.

Potential discrepancies due to special equipment are possible and can neither be accounted for in

the Workshop Manual nor in the Spare Parts list.

In case of any difficulties, please contact the nearest HATZ service office.

13 - 4H50 / 07.2015

3 - 4H50 / 07.2015

1. General

13 - 4H50 / 07.2015

1 Intake opening for combustion air

2 Rain cap

3 Air filter (option)

4 Dust discharge valve

5 Lifting eyes

6 Fan

7 Oil filter

8 Fine fuel filter

9 Side oil drain screw

10 Starter (low installation position)

11 Electric fuel pump

12 Fuel pre-filter

13 Drain screw on the

fuel pre-filter

14 Engine type plate

15 Dipstick

16 Oil filler screw bottom

17 Crankcase ventilation

Engine description

Intake side

3 - 4H50 / 07.2015

1 Expansion tank for coolant

(option)

2 Oil filler screw top

3 Exhaust gas turbocharger

4 Oxidation catalytic converter

5 Exhaust gas discharge

6 Starter (high installation position)

7 Oil drain screw front

8 Poly v belt

9 Radiator (option)

123

Engine description

Exhaust side

13 - 4H50 / 07.2015

Technical data

Type 3H50TIC 4H50TIC

Type Liquid-cooled four stroke diesel engine

Combustion system Direct injection,

turbocharger with charge air cooling,

cooled exhaust-gas recirculation

Injection system Bosch common rail

Number of cylinders 3 4

Bore/stroke mm 84/88 84/88

Displacement cm31464 1952

Fill quantity of lubricating oil Approx. ltr. 5.25? 1) 7.0 1)

Difference between "max" and "min"

marking Approx. ltr. ? 1) 1.0 1)

Engine oil consumption

(after running-in period) Max. 1% of fuel consumption,

with respect to full load

Engine oil pressure 2.5 bar to 4.5 bar

Coolant quantity with

HATZ standard radiator

and expansion tank Approx. ltr. ? 12.5

Direction of rotation

when looking at flywheel Left

Tappet clearance Automatic tappet clearance compensation

Max. perm. inclination during

continuous operation in every direction: 30° 2)

Weight (incl. radiator and catalytic

converter) without operating fluids approx. kg ? 226

Battery capacity Max. 12 V – 110 Ah / 450 A according to DIN

24 V – 66 Ah / 300 A according to DIN

1) These details must be understood as approx. values.

Relevant is in every case the max. marking on the dipstick.

2) Exceeding these values causes engine damage.

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