
FOREWORD
Component Technical Manuals (CTM) are concise
service guides for specific components. Component
technical manuals are written as stand-alone manuals
covering multiple machine applications.
This manual is written for an experienced technician.
Essential tools required in performing certain service
work are identified in this manual and are
recommended for use.
Live with safety: Read the safety messages in the
introduction of this manual and the cautions
presented throughout the text of the manual.
NThis is the safety-alert symbol. When you see
this symbol in the manual or on the machine,
be alert to the potential for personal injury.
NWARNING VEHICLE RUNAWAY HAZARD
Avoid serious or fatal injury. This transmission is
not a braking system. Install it only if there is a
braking system capable of stopping vehicle with
dead engine, disengaged transmission, or loss
of hydrostatic retardation. Otherwise, vehicle
may roll freely, resulting in loss of control.
IMPORTANT: Important warns of possible damage
to transmission.
NOTE: To make special mention of or to record in
writing useful information about the
transmission.
Use this component technical manual in conjunction
with the machine technical manual. See the machine
technical manual for information on component
removal and installation, and gaining access to the
components.
This manual is divided in three parts; general
information, repair, and troubleshooting and tests:
• General information group offers component
identification with specification information about the
transmission.
• Repair groups contain necessary instructions to
repair the component.
• Troubleshooting and test groups help you identify
the majority of routine failures quickly and then allows
you to perform certain tests.
Information is organized in groups for the various
components requiring service instruction. At the
beginning of each group are summary listings of all
applicable service equipment and tools, other
materials needed to do the job, specifications, and
torque values.
YZ,CTM147,IFC -19-05MAY98
Introduction
CTM147 (16JUL98) DF Series 150 and 250
160798
PN=3