SATIZ CNG NEF Series Betriebsanleitung
CNG NEF SERIES
Vehicle application
N60
N60 ENT G
Technical and Repair manual
Publication edited by
Iveco Motors
Iveco SpA
PowerTrain
Mkt. Advertising & Promotion
Viale dell’Industria, 15/17
20010 Pregnana Milanese
Milano (Italy)
Print P1C32N001GB -1
st Ed. 04.2005
This publication describes the characteristics, data and correct
methods for repair operations on each component of the ve-
hicle.
If the instructions provided are followed and the specified
equipment is used, correct repair operations in the pro-
grammed time will be ensured, safeguarding against possible
accidents.
Before starting to perform whatever type of repair, ensure that
all accident prevention equipment is available and efficient.
All protections specified by safety regulations, i.e.: goggles,
helmet, gloves, boot, etc. must be checked and worn.
All machining, lifting and conveying equipment should be in-
spected before use.
The data contained in this publication was correct at the time
of going to press but due to possible modifications made by
the Manufacturer for reasons of a technical or commercial na-
ture or for adaptation to the legal requirements of the differ-
ent countries, some changes may have occurred.
No part of this publication, including the pictures, may be re-
produced in any form or by any means.
B.U. TECHNICAL PUBLISHING
Iveco Technical Publications
Lungo Stura Lazio, 15/19
10156 Turin - Italy
Produced by:
F4B Engines Part 1
CNG NEF ENGINES
1
CNG NEF ENGINES
2CNG NEF ENGINES
Where possible, the same sequence of procedures has been followed for easy reference.
Diagrams and symbols have been widely used to give a clearer and more immediate illustration of the subject being dealt with, (see
next page) instead of giving descriptions of some operations or procedures.
Example
Ø 1 = housing for connecting rod small end bush
Ø 2 = housing for connecting rod bearings
α
Tighten to torque
Tighten to torque + angular value
1
∅
∅2
3
CNG NEF ENGINES
SPECIAL REMARKS
Manuals for repairs are split into Sections, each one of which is marked by a numeral; the contents of these sections are indicated
in the general table of contents.
Each section is generally dedicated to a main Unit (e.g.: engine, gearbox, electric system, etc.).
Sections with mechanical contents include technical data, tightening torque collections, tool lists, connections — disconnections of
units to/from the vehicle, overhauls at the bench and relating troubleshooting.
On the electric/electronic system section there are the descriptions of the electric network and vehicle electronic systems, electric
schemes, components electric characteristics, components codes and troubleshooting relating to the central units specific of the
electric system.
The manual uses proper symbols in its descriptions; the purpose of these symbols is to classify contained information. In particular,
there have been defined a set of symbols to classify warnings and a set for assistance operations.
PRELIMINARY REMARKS
General danger
It includes the dangers of above described signals.
Danger of serious damage for the vehicle
Partial or complete non observance of these prescriptions can cause serious damages to the vehicle and sometimes
guarantee lapse too.
Environment protection
It indicates correct behaviour in order that vehicle use is environmentally friendly as much as possible.
Danger for persons
Missing or incomplete observance of these prescriptions can cause serious danger for persons’ safety.
SYMBOLS - WARNINGS
It indicates an additional explanation for a piece of information.
!
NOTE
4CNG NEF ENGINES
5
CNG NEF ENGINES
Graph and symbols
Removal
Disconnection Intake
Refitting
Connection Exhaust
Removal
Disassembly Operation
Fitting in place
Assembly ρCompression ratio
Tighten to torque Tolerance
Weight difference
α
Tighten to torque + angle value Rolling torque
Press or caulk Replacement
Original spare parts
Regulation
Adjustment Rotation
!Warning
Note
Angle
Angular value
Visual inspection
Fitting position check Preload
Measurement
Value to find
Check
Number of revolutions
Equipment Temperature
Surface for machining
Machine finish bar Pressure
Interference
Strained assembly
Oversized
Higher than….
Maximum, peak
Thickness
Clearance
Undersized
Less than….
Minimum
Lubrication
Damp
Grease
Selection
Classes
Oversizing
Sealant
Adhesive
Temperature < 0 °C
Cold
Winter
Air bleeding
Temperature > 0 °C
Hot
Summer
6CNG NEF ENGINES
Section
General specifications 1
Fuel 2
Use 3
General overhaul 4
Tools 5
Safety prescriptions Appendix
PREFACE TO USER’S GUIDELINE MANUAL
Section 1 describes the F4B engine illustrating its features
and working in general.
Section 2 describes the type of fuel feed.
Section 3 relates to the specific duty and is divided in four sepa-
rate parts:
1. Mechanical part, related to the engine overhaul,
limited to those components with different characteristics
based on the relating specific duty.
2. Electrical part, concerning wiring harness, electrical
and electronic equipment with different characteristics
based on the relating specific duty.
3. Maintenance planning and specific overhaul.
4. Troubleshooting part dedicated to the operators who,
being entitled to provide technical assistance, shall have simple
and direct instructions to identify the cause of the major incon-
veniences.
Sections 4 and 5 illustrate the overhaul operations of the engi-
ne overhaul on stand and the necessary equipment to execute
such operations.
Installation general prescriptions are reported within the ap-
pendix.
The appendix reports general safety prescriptions to be follo-
wed by all operators whether being in-charge of installation or
maintenance, in order to avoid serious injury.
Part 1
F4B ENGINES
1
CNG NEF ENGINES
2CNG NEF ENGINES
Dieses Handbuch passt für folgende Modelle
1
Inhaltsverzeichnis
Andere SATIZ Motor Handbücher
