Twin Disc AM080 User manual

Document Number: 1033752
Pump Drive
Model:
AM080
Operator’s
Manual
TWIN DISC
INCORPORATED ®
T D W
I
N I S
C

NOTICE
Twin Disc, Incorporated makes no warranty or guaranty of
any kind, expressed, implied or otherwise, with regard to
the information contained within this manual. Twin Disc,
Incorporated has developed this manual through research
and testing of the information contained therein. Twin Disc,
Incorporated assumes no responsibility for any errors that
may appear in this manual and shall not be liable under
any circumstances for incidental, consequential or punitive
damages in connection with, or arising out of, the use of this
manual. The information contained within this manual is
subject to change without notice.

Document Number
1033752
Revision B
May 2019
Pump Drive
Operator’s Manual

®
T D W I N I S
C
WARRANTY, LIMITAION OF REMEDIES LIMITATION
OR OTHER WARRANTIES, CONFLICTING TERMS,
MERGER AND INTEGRATION CLAUSE
All sales made subject to the LIMITED TWIN DISC GENERAL WARRANTY, LIMITA-
TIONS OF REMEDIES AND LIMITATION OF ANY OTHER WARRANTIES, including
at http://www.twindisc.com/company/warranty/

III
©2019 Twin Disc, Incorporated Table of Contents
Pump Drive Operator’s Manual #1033752
Table of Contents
Introduction.............................................................1
General Information...............................................................................1
Replacement Parts ................................................................................1
Ordering Parts ...................................................................................... 1
Parts Shipment ..................................................................................... 2
Safety ......................................................................................................2
Warranty .................................................................................................3
Operation.................................................................5
Overview.................................................................................................5
Auxiliary Power Take-off...................................................................... 5
Coupling ................................................................................................ 6
Oil Plug And Breather Diagrams......................................................... 6
Maintenance............................................................9
Lubrication .............................................................................................9
Oil Specications...................................................................................9
Oil Type and Viscosity.......................................................................... 9
Oil Cooling Requirements ................................................................. 10
Oil System ............................................................................................10
Torsional Coupling ..............................................................................10
Overhaul Interval ................................................................................. 11
Periodic Visual Inspection ..................................................................12
Alignment - U-Joint-Type Installation ................................................13
Alignment of In-line Drive “U” Joint Type ........................................ 13
Alignment Measurement Procedure ................................................. 13
Troubleshooting ...................................................15

IV
Pump Drive Operator's Manual #1033752
©2019 Twin Disc, Incorporated Safety
Safety
These messages convey important information about SAFETY. The safety
alert symbol and signal words described below are followed by safety
messages and appear throughout this manual.
All personnel must read, understand and follow all safety message instructions
prior to operation, maintenance or repair of this unit.
Safety Alert Symbol
This is the safety alert symbol. It is used throughout this
manual to alert you to potential personal injury hazards.
Obey all safety messages that follow this symbol to
avoid possible injury or death.
Signal Words
Signal words are used with the safety alert symbol to designate a level of
hazard seriousness. The signal words used are DANGER, WARNING,
CAUTION and NOTICE.
DANGER indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
NOTICE is used to address practices not related to physical
injury.

1
©2019 Twin Disc, Incorporated Introduction
Pump Drive Operator’s Manual #1033752
Introduction
General Information
This publication provides the information necessary for the operation and
routine maintenance of the Twin Disc, Incorporated equipment specied
on the cover of this manual. Specic engineering details and performance
characteristics can be obtained from the Product Service Department of
Twin Disc, Incorporated, Racine, Wisconsin, USA.
Operating personnel responsible for this equipment should have this
manual at their disposal and be familiar with its contents. Applying the in-
formation in the manual will result in consistent performance from the unit
and help reduce downtime.
Replacement Parts
Parts Lists
See the engineering assembly drawings in Engineering Drawings section
of the Service Manual to facilitate ordering spare or replacement parts.
Ordering Parts
All replacement parts or products (including hoses and ttings) must be of
Twin Disc origin or equal, and otherwise identical with components of the
original equipment. Use of any other parts or products will void the war-
ranty and may result in malfunction or accident, causing injury to person-
nel and /or serious damage to the equipment.
Renewal parts and service parts kits may be obtained from any authorized
Twin Disc distributor or service dealer.
Do not order parts from the part numbers on the engineering draw-
ings. These numbers may be referenced for part identication; how-
ever, they should be veried on the bill of material (BOM) before an
order is placed. BOM numbers are stamped on the unit nameplate.

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©2019 Twin Disc, Incorporated
Introduction
Pump Drive Operator’s Manual #1033752
Parts Shipment
Furnish the complete shipping information and postal address. All parts
shipments made from the factory will be FOB factory location, USA. State
specically whether the parts are to be shipped by freight, express, etc. If
shipping instructions are not specied, the equipment will be shipped the
best way, considering time and expense. Twin Disc, Incorporated will not
be responsible for any charges incurred by this procedure.
Twin Disc, Incorporated, having stipulated the bill of material number on
the unit’s nameplate, absolves itself of any responsibility resulting from
any external, internal or installation changes made in the eld without
the express written approval of Twin Disc. All returned parts, new or old,
emanating from any of the above-stated changes will not be accepted for
credit. Furthermore, any equipment which has been subjected to such
changes will not be covered by a Twin Disc warranty.
Safety
Safe practices must be employed by all personnel operating and servic-
ing this unit. Twin Disc, Incorporated will not be responsible for personal
injury resulting from careless use of hand tools, lifting equipment, power
tools, or unaccepted maintenance/operating practices.
Important Safety Notice
Because of the possible danger to person(s) or property from accidents
which may result from the use of manufactured products, it is important
that correct procedures be followed. Products must be used in accor-
dance with the engineering information specied. Proper installation,
maintenance, and operation procedures must be observed. Inspection
should be made as necessary to assure safe operations under prevailing
conditions. Proper guards and other suitable safety codes should be pro-
vided. These devices are neither provided by Twin Disc, Incorporated nor
are they the responsibility of Twin Disc, Incorporated.
To prevent accidental starting of the engine when performing routine
maintenance, disconnect the battery cables from the battery and
remove ignition key from the switch.

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©2019 Twin Disc, Incorporated Introduction
Pump Drive Operator’s Manual #1033752
Sources of Service Information
Each series of manuals issued by Twin Disc, Incorporated is current at the
time of printing. When required, changes are made to reect advancing
technology and improvements in state-of-the-art.
Individual product service bulletins are issued to provide the eld with im-
mediate notice of new service information.
For the latest service information on Twin Disc products, contact any
Twin Disc distributor or service dealer. This can be done on the Twin Disc
corporate web site found at http://www.twindisc.com. Provide your model
number, serial number and bill of material number to obtain information on
your unit. If necessary, contact the Product Service Department of Twin
Disc, International S.A., Nivelles, Belgium, or Twin Disc, Incorporated, Ra-
cine, Wisconsin, 53405-3698, USA by e-mail at [email protected].
Warranty
Equipment for which this manual was written has a limited warranty. For
details of the warranty, refer to the warranty statement at the front of this
manual.

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©2019 Twin Disc, Incorporated
Introduction
Pump Drive Operator’s Manual #1033752
NOTES