AUTO GYRO MTOsport User manual

Manufacturer Maintenance Manual
(Line Maintenance)


Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 1 of 12
Manufacturer Maintenance Manual
for Gyroplane MTOsport

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 2 of 12
0 –PREFACE
This document contains proprietary information of AutoGyro GmbH, Germany which is provided in
confidence and solely for the purpose of supporting aircraft certification and providing applicable
information regarding the proper use, maintenance, inspection, repair, servicing and parts application
of AutoGyro GmbH products and services, as directed therein. Neither this manual nor any information
in it may be disclosed to others, or used for any other purpose, including but not limited to, design,
create, develop, reproduce, manufacture or derive any design, part, product, material, process,
modification, configuration change or repair, or to obtain airworthiness authorisation’s approval to do
so.
With the possession and use of this manual the user accepts and agrees to bound by the foregoing
terms.
If a Government agency or Department intends to disclose any information, written notice should be
given to:
AutoGyro GmbH
Dornierstraße 14
31137 Hildesheim
GERMANY
Phone: +49 (0) 51 21 / 8 80 56-00
Fax: +49 (0) 51 21 / 8 80 56-19
E-Mail: info@auto-gyro.com
All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of AutoGyro GmbH. AutoGyro reserves the
right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organisation of such changes or
improvements. Notifications to the Civil Aviation Authorities or other organisations based on legal regulations are unaffected.
MTOsport, Calidus, Cavalon, the AutoGyro logo and word picture mark are trademarks or registered trademarks of AutoGyro AG, registered in Germany and other
countries.
Other company and product names mentioned herein may be trademarks of their respective companies. Mention of third-party products is for informational purposes only
and constitutes neither an endorsement nor a recommendation. AutoGyro assumes no responsibility with regard to the performance or use of these products. All
understandings, agreements, or warranties, if any, take place directly between the vendors and the prospective users.
U.S. and foreign patents of AutoGyro AG are used in the Calidus and Cavalon gyroplanes - (US.Pat.No. 8,690,100; US.Pat.No. D699,153)
Every effort has been made to ensure that the information in this manual is accurate. AutoGyro GmbH is not responsible for printing or clerical errors.

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 3 of 12
1 –INTRODUCTION
This manual provides accepted and recommended maintenance procedures applicable for the
MTOsport gyroplane, designed and manufactured by AutoGyro GmbH, Hildesheim, Germany. The
generic term “maintenance” comprises checks, inspections, replacement, repair and other tasks,
which are defined in “01-11-00 Definitions and Standard Procedures”. The manual also provides a full
description of the aircraft and its systems and troubleshooting (fault isolation) procedures. Where
applicable, the manual refers to related manuals, such as the engine manufacturer’s documentation or
Component Maintenance Manuals, for example battery, avionics, or optional equipment.
All task descriptions follow aerospace, industry and safety standards or special AutoGyro procedures.
The procedures, methods, instructions and parameters specified in this manual must be adhered to by
all means. It is not permitted to change procedures or to alter parameters provided herein. Proposed
deviations from the procedures, methods and instructions contained in this manual should be directed
to:
AutoGyro GmbH
Att.: Technical Publications
Dornierstraße 14
31137 Hildesheim
GERMANY
Fax: +49 (0) 51 21 / 8 80 56-19
E-Mail: info@auto-gyro.com
The manual has been prepared in accordance with ATA Specification No. 100 being a common
standard in aviation and for your convenience. The ATA100 numbering system is described under
“Organization and Handling of the Manual”.
This manual will be revised as necessary to incorporate changes in design, parts, approved
procedures, or parameters. Note that the manual is only valid if available in current version. The use of
an out dated manual may render the aircraft in unsafe or even not airworthy condition. The revision
service is described below.
Manufacturer Information [Letters] (MI) or Airworthiness Directives (AD) will also be covered by the
revision service and incorporated in the maintenance manual.
Revision Service
This manual must always be maintained in current, up-to-date status. The latest version status is
available at www.auto-gyro.com. Note that the manual is subdivided into 6 parts which will be revised
individually. As an example, the revision index for the manufacturer maintenance manual (MMM),
MTOsport (MT), Part B could be ‘MMM-MT-B_13-04-20’. Note that the date code is ‘yy-mm-dd’ so files
will sort chronologically.
For the purpose of current status this manual will not be published in paper format. A current
personalized copy will be provided by AutoGyro GmbH for all certified and registered service partners
on the basis of a subscription service. Registered users will be informed about new revisions. We
recommend not to keep printouts or paper copies for reference.
Record of Revisions
The manufacturer will keep this manual current as an entire document. After each revision of a part
the latest revision index (i.e. list of revision indices for each part) will be published on AutoGyro’s web
portal and/or by E-Mail to each subscription customer. The document part’s revision index can be
found in the footer on the left hand side of each page.

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Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
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Maintenance Manual
AutoGyro
MTOsport
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Part A –Introduction and Declarations
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Contents
0 –PREFACE...........................................................................................................................................2
1 –INTRODUCTION................................................................................................................................3
Revision Service...................................................................................................................................3
Record of Revisions .............................................................................................................................3
Maintenance Concept and Eligibility ....................................................................................................7
Warnings, Caution and Notes ..............................................................................................................7
Organization and Handling of the Manual............................................................................................8
ATA100 Numbering System.................................................................................................................8
ATA100 –Chapter Code..................................................................................................................8
Nomenclature and Structure of Maintenance Tasks (Job Cards)....................................................9
Page Block Code..............................................................................................................................9
Effectivities......................................................................................................................................10
Parts List Codes –PC / PIT............................................................................................................10
Abbreviations and Acronyms..............................................................................................................11
Service Bulletin (SB) and Airworthiness Directives (AD) ...................................................................12

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Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
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Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 7 of 12
Maintenance Concept and Eligibility
The maintenance concept of the MTOsport gyroplane is structured into 4 qualification levels:
Basic operational (OPR) Maintenance / Pilot Checks and Servicing
Line (LNE) Maintenance (inspection of Critical Parts (CP) included)
Heavy (HVY) Maintenance (Flight Safety Sensitive Maintenance Tasks, handling of CPs)
Specialized (SPC) Level Tasks (Major Modification, Repair & Overhaul, Special Topics)
The respective maintenance level for each maintenance task is printed in right hand position in the
header line on each Job Card as three-letter code for quick reference (see red circle in example
below) and repeated under ‘GENERAL, REFERENCES AND REQUIREMENTS’.
Maintenance tasks may be carried out solely by persons or organizations fulfilling the requirements for
personal qualification, infrastructure and required equipment, and only in strict compliance with the
documentation and manuals listed in below table. Examples are provided for better illustration:
Level
Qualification
Documentation
Example
OPR
Licensed Pilot or
trained/briefed person
Pilot’s Operating Handbook
and Job Cards marked ‘OPR’
Check and replenish
engine coolant.
LNE
AutoGyro maint. course (and
organization approval) ‘Line’
Manufacturer Maint. Manual
(MMM) Job Cards ‘LNE’
All tasks to perform a
100 hrs inspection
HVY
AutoGyro maint. course and
organization approval ‘Heavy’
Manufacturer Maint. Manual
(MMM) Job Cards ‘HVY’
Adj. / replace rotor
head, flight controls
SPC
AutoGyro special courses and
org. approval ‘Specialized’
MMM Job Cards ‘SPC’ and
manufacturer instructions
Main frame overhaul,
major mod., repair
Warnings, Caution and Notes
This manual uses WARNINGs, CAUTIONs and NOTEs in bold italic letters to indicate especially
critical and important instructions. The call-outs appear at the top of the Maintenance Job Card if of
general nature or applicable for the complete task, or will directly precede the individual Work Step.
The meaning of each call-out is defined below:
WARNING: A warning means that the neglect of the appropriate procedure or
condition could result in personal injury or fatal accidents.
CAUTION: A caution means that the neglect of the appropriate procedure or
condition could result in damage to or destruction of equipment.
NOTE: A note stresses the attention for a special circumstance, which is essential
to emphasize.

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 8 of 12
Organization and Handling of the Manual
This manual is structured according to ATA100 numbering system. The numbering system will be
explained later in more detail.
On document level, the manual is subdivided into 6 parts, named A to F. The designation and content
of each part is listed below:
Part
Designation / Content
A
Introduction and Declarations
This section. Explains the basic concept, handling of this manual, its structure according to
the ATA100 numbering system, abbreviations and acronyms.
B
Master Servicing Manual (ATA Chapters 00 to 20)
General description of the aircraft, basic definitions and standard procedures, tools,
spares, airworthiness limitations, time limits, inspections and checks.
Briefly, part B describes ‘what is to be done, and when’.
C
System Description Section (ATA Chapters 21 to 90)
Part C describes all aircraft systems, following the ATA100 numbering system.
D
Diagrams and Charts
Part D contains diagrams and charts, if necessary in special sizes or as fold-outs.
E
Maintenance Job Cards
[Maintenance] Job Cards are collected in Part E. Note that the footer of Part E does not
spell out to the part’s designation, but just shows part and the job index of the referred
maintenance task according to the ATA100 numbering system.
Briefly, Part E describes ‘how something has to be done’.
(F)
Protocols and Forms
Protocols and forms, such as maintenance check lists, are available for download.
ATA100 Numbering System
ATA100 –Chapter Code
The Air Transport Association (ATA) Standard 100 numbering system is a widely accepted standard
that provides a 6 digit numbering system to identify aircraft systems, subsystems and individual
components in a structured, hierarchical approach.
The first or leftmost pair of digits defines the Chapter, respectively system. The next pair of digits
refers to the subsystem. The third pair of digits specifies a unit. Only complex systems use unit
numbers. In case of simple systems, all information is contained in the main chapter and there is no
subsystem or unit breakdown.
The ATA100 numbering system and the corresponding system designations were adopted where ever
possible and rational. In some cases the wording and nomenclature was adapted to match the design
specifics of a gyroplane in best possible way. Due to its high degree of system integration, some
systems cannot clearly be assigned to a single function. In this case the system or component was
categorized by its main function. Example: the pneumatic trim cylinder also acts as brake in its
secondary function.
Chapter 02 has been modified to contain “TOOLS, SPARES AND CONSUMABLE MATERIALS”.

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 9 of 12
Nomenclature and Structure of Maintenance Tasks (Job Cards)
Part E of this manual describes maintenance tasks to be performed by a qualified person in order to
check, inspect, replenish, adjust, replace, repair, clean, or to identify malfunctions. Each Task is
outlined in detail in a [Maintenance] Job Card.
Each [Maintenance] Job Card (sometimes referred to as Task Card) consists of
Task Description (header, descriptive text) with task level in most right position
a section referring to GENERAL, REFERENCES AND REQUIREMENTS
a section listing SPECIAL TOOLS AND CONSUMABLE MATERIALS
a section pointing out PRECAUTIONS AND SAFETY MEASURES
a section called PROCEDURES, which lists all Work Steps to be performed subsequently
a PARTS LIST listing part numbers and associated information, and
explanatory GRAPHICS, such as explosion drawings or photographs
For ease of navigation each page in Part E shows a unique job index in the page footer consisting of 3
elements:
Chapter Code
(acc. to ATA100, see explanation below)
Page Block Code
(distinct index/number per type of maintenance action, see explanation below)
Sub-Index
Page Block Code
The pages within a chapter are structured and numbered according to the page block numbering
system as specified below:
Subject
Code
Introduction / Description and Operation
0
Fault Isolation / Trouble Shooting
1
Maintenance Procedures
2
Servicing
3
Removal / Installation / Disassembly / Assembly
4
Adjustment / Test
5
Inspection
6
Cleaning / Painting
7
Repair / Replacement / Retrofit / Modification
8
Storage
9

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 10 of 12
Effectivities
A job card may contain information relating to different versions of the referred aircraft. This may be
stipulated by optional equipment installed, by different design states (Serial Number driven), or
modification (MI, AD).
The keyword EFFECTIVITY, followed by a term describing its applicability, marks the start of
instructions that apply exclusively to a specified version. Examples:
EFFECTIVITY: Variable Pitch Propeller
The following instructions must be performed and are applicable only if a Variable Pitch Propeller is
installed
EFFECTIVITY: up to S/N 0123
The following instructions apply to serial numbers 0123 and before
EFFECTIVITY: S/N 0124 to S/N 0248
The following instructions refer only to serial numbers 0124 up to, and including, 0248
EFFECTIVITY: S/N 0124 and subsequent
The following instructions must be performed for serial numbers starting 0124 and subsequent
EFFECTIVITY: before MI 2011-99
Instructions refer to modification state before/without the referenced MI implemented
EFFECTIVITY: MI 2011-99 accomplished
Instructions apply only to those versions where the referenced MI has been accomplished
The end of the range of validity is marked by the term EFFECTIVITY –END
In case the effectivity solely comprises of the subsequent work step, or another effectivity statement is
introduced, the term EFFECTIVITY –END will be omitted.
Instructions outside of EFFECTIVITY statements apply to the standard model, respectively to all
versions.
Parts List Codes –PC / PIT
Parts Lists specify PC (Procurement Code) and PIT (procure item through) for each item (see
example). The procurement code may show L0, L1, L2 or L3 as explained below.
L0
Part/Assembly available for purchase for a registered pilot/operator (OPR)
L1
Part/Assembly orderable for individuals/organizations qualified to perform Line Maint.
L2
Part/Assembly orderable for organizations qualified to perform Heavy Maintenance
L3
Part/Assembly orderable for organizations qualified to perform Specialized Level tasks
‘PIT’ lists the order number of the part, bundle, set, or smallest assembly in which the referred part is
contained.

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 11 of 12
Abbreviations and Acronyms
In this manual, a minimum number of abbreviations are used. Where possible the abbreviations and
acronyms used correspond with regulations and common standards.
AD
Airworthiness Directive
ATA
Air Transport Association
CHT
Cylinder Head Temperature
CP
Critical Part
CRP
Carbon Reinforced Plastic
DOM
Date of Manufacture
ELT
Emergency Locator Transmitter
FOD
Foreign Object Damage (Debris)
GRP
Glass Reinforced Plastic
hrs
hours
i.f.d.
in flight direction
JNP
Jahresnachprüfung (annual inspection, annual airworthiness review)
LED
Light Emitting Diode
LH
left hand
LR
Limited reusability
(Parts or components that can be used only once or a limited number of times,
such as self-locking nuts, split pins, …)
LTA
Lufttüchtigkeitsanweisung (AD, issued by the Airworthiness Authority)
MAP
Manifold Absolute Pressure
MI
Manufacturer Information [Letter] (dt. Herstellerinformation)
MLL
Manufacturer Life Limit
MMM
Manufacturer Maintenance Manual
N/A
not applicable
NPI
non procurable item
OAT
Outside Air Temperature
PC
Procurement Code
PIT
procure item through
POH
Pilot’s Operating Handbook
Qty.
Quantity
RBT
Rotor Bearing Temperature
rcv
receive
rec.
recommended
RH
right hand
RPM
Revolutions Per Minute
SB
Service Bulletin
SoC
Statement of Compliance
sqm
square metre(s)
STP
Stückprüfung (C of A, i.e. conformity of airworthiness)
TADS
Type Approval Data Sheet (dt.: Geräte-Kennblatt)
TBO
Time Between Overhaul
VPP
Variable Pitch Propeller
VSI
Vertical Speed Indicator
xmt
transmit
yr
year(s)

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-A_16-02-08
Part A –Introduction and Declarations
Page 12 of 12
Service Bulletin (SB) and Airworthiness Directives (AD)
Service Bulletin (SB), old designation Manufacturer Information [Letters] (MI) (Herstellerinformationen)
or Airworthiness Directives (AD) will be incorporated into the Maintenance Manual with the next
revision

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-B_14-11-19
Part B –Master Servicing Manual (Ch. 00 –20)
Page 1 of 24
Contents
CHAPTER 00 - INTRODUCTION / AIRCRAFT GENERAL.....................................................................3
General.................................................................................................................................................3
CHAPTER 01 - GENERAL.......................................................................................................................4
01-11-00 Definitions, Terms and Standard Procedures ..................................................................4
01-12-00 Standard Bolt Torques......................................................................................................6
01-21-00 Standard Commercial Tools.............................................................................................6
01-91-00 Conversion Tables............................................................................................................7
CHAPTER 02 - TOOLS, SPARES AND CONSUMABLE MATERIALS...................................................9
02-51-00 Consumable Materials......................................................................................................9
CHAPTER 03 - MINIMUM EQUIPMENT REQUIREMENT....................................................................10
CHAPTER 04 –MANUFACTURER LIFE LIMITATIONS.......................................................................11
CHAPTER 05 - TIME LIMITS, INSPECTIONS & CHECKS...................................................................12
05-10-00 Time Limits .....................................................................................................................12
05-20-00 Scheduled Inspections & Checks...................................................................................13
Daily / Pre-Flight Check..................................................................................................................13
Complementary / Servicing Tasks..................................................................................................13
25 hrs Inspection (one-time / non-recurrent)..................................................................................13
100 hrs / Annual Inspection............................................................................................................13
05-21-00 Temporary Scheduled Inspections & Checks ................................................................13
05-30-00 Unscheduled Inspections ...............................................................................................14
05-50-00 Conditional Inspections ..................................................................................................14
05-51-00 Inspections - Special Operational Conditions.................................................................14
Operation in sand or dust...............................................................................................................14
Winter operation .............................................................................................................................14
05-55-00 Inspections - Special Operational Incident.....................................................................15
Suspected hard landing..................................................................................................................15
Rotor contact with obstacle ............................................................................................................15
Propeller contact with obstacle or external impact.........................................................................15
Birdstrike.........................................................................................................................................15
Lightning strike ...............................................................................................................................16
05-60-00 Ground Test Run............................................................................................................16
05-70-00 Functional Test Flight .....................................................................................................16
05-90-00 Maintenance Records & Aircraft Logs............................................................................16
CHAPTER 06 - DIMENSIONS & AREAS...............................................................................................17
CHAPTER 07 - LIFTING / JACKING / SHORING..................................................................................18
CHAPTER 08 - LEVELING & WEIGHING .............................................................................................18
CHAPTER 09 - TOWING & TAXIING ....................................................................................................18
CHAPTER 10 - PARKING, STORAGE & RETURN TO SERVICE........................................................18
CHAPTER 11 - PLACARDS & MARKINGS...........................................................................................19
CHAPTER 12 - SERVICING ..................................................................................................................21
12-10-00 Cleaning..........................................................................................................................21
12-20-00 Lubrication......................................................................................................................21
Lubrication: Teeter hinge................................................................................................................21
Lubrication: Pre-rotator drive coupling sleeve................................................................................21
Lubrication: Pre-rotator belt and pulleys.........................................................................................21
12-30-10 Servicing: Engine Air Filter .............................................................................................21
12-30-20 Servicing: Tire Pressure .................................................................................................22
12-30-30 Servicing: Battery............................................................................................................22
12-30-40 Servicing: Engine Coolant ..............................................................................................22
12-40-00 Replenishing/Replacement of Fluids..............................................................................22

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-B_14-11-19
Part B –Master Servicing Manual (Ch. 00 –20)
Page 2 of 24
CHAPTER 13-17 –UNASSIGNED / N/A...............................................................................................22
CHAPTER 18 –VIBRATION & NOISE ANALYSIS ...............................................................................23
CHAPTER 19–20 –UNASSIGNED / N/A ..............................................................................................24

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-B_14-11-19
Part B –Master Servicing Manual (Ch. 00 –20)
Page 3 of 24
CHAPTER 00 - INTRODUCTION / AIRCRAFT GENERAL
General
The MTOsport is a ‘new generation’ gyroplane with 3-bladed push propeller and a 2-blade aluminium
main rotor system with swivelling rotor head. It features an open-cockpit fuselage with two seats in
tandem configuration. The load carrying frame consists of inert-gas welded stainless steel square
tubing. Fuselage and stabilizer with rudder are made from glass fibre reinforced (GRP) plastic.
The tricycle gear with GRP (glass fibre reinforced plastic) suspension bow features a steerable nose
gear.
Rotor flight control consists of conventional linkage using push-rods while the rudder is controlled by
cables.

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-B_14-11-19
Part B –Master Servicing Manual (Ch. 00 –20)
Page 4 of 24
CHAPTER 01 - GENERAL
01-11-00 Definitions, Terms and Standard Procedures
The following definitions, procedures and words with special meanings are used in this manual:
adjust
To put in specified position or condition, usually using tools or devices
Example: Adjust the clearance to 1 mm
Check (noun)
A set of check items to be performed. Example: pre-flight check
check (verb)
To make sure that the item is present and/or a given requirement is fulfilled. No
tools are required.
Example: Warning Lights…Check NONE
Critical Part (CP)
“Critical Parts” are those parts whose failure during ground or flight operation could
have a disastrous effect on the gyroplane.
dent
Depression in a surface having area and depth with no sharp edges
(see also ‘nick’)
discard
Put away in order to exclude inadvertent or intentional re-use of the item. Comply
with FOD procedures.
dispose of
Discard item or substance while employing strict procedures, such as
environmental or legal requirements.
hand-tighten
Use the bare hand without any tools, gloves or extra efforts
inspect / examine
To look carefully at an item and compare with its standard or specification. Tools or
devices may be needed. The condition may be explicitly specified (example: no
corrosion). Generally, or if not otherwise stated, inspect/examine means:
Make sure that the item
- is complete
- is correctly attached
- has no loose parts
- shows no signs of leaks
- is not cracked or damaged
- is not worn
Make sure that
- the surface protection is not damaged
- all locking devices are installed correctly
Make sure that items such as pipes, hoses and cables
- look serviceable
- do not rub against other items
For log books and other technical records:
- find pending faults
- make sure they are up-to-date and correctly maintained
Inspection
Maintenance procedure to be performed as described in this manual.
Example: 100 hrs / Annual Inspection
maintenance
Any one or combination of overhaul, repair, inspection, replacement, modification
or defect rectification of an aircraft or component, with the exception of pre-flight
inspection

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-B_14-11-19
Part B –Master Servicing Manual (Ch. 00 –20)
Page 5 of 24
measure
To find out dimensions, capacity or quantity of something. Except for counting of
smaller numbers, calibrated measurement devices are needed.
monitor
To watch a parameter or item over a certain period of time in order to read an exact
value, derive a trend or identify a change caused by an event.
Example: monitor rotor speed indication, monitor RPM drop, …
nick
A dent with sharp edges (see also ‘dent)
re-torque
Refer to procedure ‘torque-tighten’. In contrary to procedure ‘torque check’
attachment hardware may rotate during re-torquing.
Record (noun)
Technical name for a documentation that shows the accomplishment of
maintenance tasks or other activities, usually stating the responsible person’s
name and date of compliance.
record (verb)
To make an (official) entry in a maintenance record.
remove securing
hardware
Cut open and remove split pins, lock wire, and such. Wear eye protection. Hold
securing hardware with other hand to prevent particles from darting around. Collect
all splinters and particles of securing hardware and discard.
replace
To remove an unserviceable item and install a serviceable in the same location
servicing
Simple tasks such as lubrication and cleaning, checking and adjusting of air tire
pressure, replenishing of fluids
set
To change (or verify) status of equipment to a given parameter, condition or mode.
Example: set altimeter sub-scale to 1013 hPa
torque-check
Refer to procedure ‘torque-tighten’. Check with the (minimum) torque value
supplied. Attachment hardware must NOT turn! If rotation of attachment hardware
was noticeable the torque check FAILED. Refer to procedure described in Job
Card.
torque-tighten
Use a calibrated tool with the correct range and handle properly and carefully. Set
tool to minimum torque (if min. and max. torque values are provided). Use
stretched fingers at the long end of the tool and counterhold directly at the pivot
point.
Click-Type: Stop upon the first clicking. If multiple clicking is heard or further
rotation is suspected, open/unscrew and repeat. Replace attachment hardware if
appropriate. In order to align attachment hardware (for example in case of a split
pin) adjust tool to the maximum allowed torque and tighten carefully until hardware
aligns. NO clicking must be heard! If clicking was heard, redo the complete
procedure while trying different attachment hardware and/or in different installation
position.
verify
Check that a certain dimension or condition, or set of these, is in-line with given
specifications. In order to do so, a special (measurement) procedure will be
required and the reference to comply with will be specified.
If not otherwise stated the following standards are based on aeronautical regulations and
recommendations (AC43.13-1B), industry and safety standards, and general practices, and shall be
applicable throughout this manual. Examples are:
Torquing
Securing (handling of lockwire and other securing hardware)
Removal of securing hardware
FOD (foreign object damage) protection
Discard and disposal procedures
Handling of hazardous material
Workplace safety

Manufacturer
Maintenance Manual
AutoGyro
MTOsport
MMM-MT-B_14-11-19
Part B –Master Servicing Manual (Ch. 00 –20)
Page 6 of 24
01-12-00 Standard Bolt Torques
Standard torques are M4 2-3 Nm, M5 5-6 Nm, M6 11 +/-1 Nm, M8 25 +/-3Nm, M10 35 +/-4Nm.
Always assess the joint to be tightened and use engineering judgement –do not overtighten plastic or
unsupported tube joints!
01-21-00 Standard Commercial Tools
Most maintenance tasks on the MTOsport can be conducted using standard, commercially available
metric tools. In addition, the following standard commercial tools are required:
Inclinometer (digital) / Digital spirit level with angle gauge
Spring balance / Dynamometer
Tensiometer (to measure cable tension)
1m aluminium ruler
Fuel hose clamp
Torque wrench (in required torque ranges)
Multimeter
3 m-tape measure
Torch light
Tyre pressure gauge / tyre filling device
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