Yanmar SK1050 User manual

SK1050
Yanmar® 3TNV88C
Operator’s
Manual
CMW® 053-2963
Issue 3.0
Original Instruction

SK1050 Operator’s Manual Overview - 1
Overview
Chapter Contents
Serial Number Location . . . . . . . . . . . . . . . . . . . . . 2
Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Equipment Modification . . . . . . . . . . . . . . . . . . . . 3
Machine Components . . . . . . . . . . . . . . . . . . . . . . 4
Operator Orientation . . . . . . . . . . . . . . . . . . . . . . . 5
Operating Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . 6
• Bulleted Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
• Numbered Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
California Proposition 65
Diesel engine exhaust and some of its constituents are known to the State of California to
cause cancer, birth defects, and other reproductive harm. www.P65warnings.ca.gov.

Overview - 2 SK1050 Operator’s Manual
Serial Number Location
Serial Number Location
Record serial number and date of purchase in spaces provided. Serial number is located as shown.
Item
Date of manufacture
Date of purchase
Machine serial number
t53om001h.epst53om001h.eps

SK1050 Operator’s Manual Overview - 3
Intended Use
Intended Use
The SK1050 is a platform, rubber track compact tool carrier unit designed for medium-duty construction
work. The machine has a quick attach plate which makes it easy for an operator to connect different
attachments.
This machine is intended for operation only according to the instructions in this manual. Operate machine
in ambient temperatures from 10° to 115°F (-12° to 46°C). Contact your Ditch Witch® dealer for provisions
required for operating in extreme temperatures. Use in any other way is considered contrary to the
intended use.
This machine should be operated, serviced, and repaired only by professionals familiar with its particular
characteristics and acquainted with the relevant safety procedures.
Equipment Modification
This equipment was designed and built in accordance with applicable standards and regulations.
Modification of equipment could mean that it will no longer meet regulations and may not function
properly or in accordance with the operating instructions. Modification of equipment should only be
made by competent personnel possessing knowledge of applicable standards, regulations, equipment
design functionality/requirements and any required specialized training.

Overview - 4 SK1050 Operator’s Manual
Machine Components
Machine Components
1. Operator station platform
2. Tracks
3. Engine compartment
4. Lift arms
5. Attachment plate
12345
t53om002h.epst53om002h.eps

SK1050 Operator’s Manual Overview - 5
Operator Orientation
Operator Orientation
1. Front
2. Right side
3. Rear
4. Left side
Operating Area
Operator should stand only in the location shown.
IMPORTANT: Top view of machine is shown.
IMPORTANT: Top view of machine is shown.
1
2
3
4
t53om003h.epst53om003h.eps
t62om004w19.eps

Overview - 6 SK1050 Operator’s Manual
About This Manual
About This Manual
This manual contains information for the proper use of this machine. Cross references such as “See page
50” will direct you to detailed procedures.
Bulleted Lists
Bulleted lists provide helpful or important information or contain procedures that do not have to be
performed in a specific order.
Numbered Lists
Numbered lists contain illustration callouts or list steps that must be performed in order.

SK1050 Operator’s Manual Foreword - 7
Foreword
This manual is an important part of your equipment. It provides safety information and operation
instructions to help maintain your Ditch Witch® equipment.
Read this manual before using your equipment. Keep it with the equipment at all times for future
reference. If you sell your equipment, be sure to give this manual to the new owner.
If you need a replacement copy, contact your Ditch Witch dealer. If you need assistance in locating a
dealer, visit our website at www.ditchwitch.com or write to the following address:
The Charles Machine Works, Inc.
ATTN: Marketing Department
PO Box 66
Perry, OK 73077-0066
USA
The descriptions and specifications in this manual are subject to change without notice. The Charles
Machine Works, Inc. reserves the right to improve equipment. Some product improvements may have
taken place after this manual was published. For the latest information on Ditch Witch equipment, see
your Ditch Witch dealer.
Thank you for buying and using Ditch Witch equipment.

Foreword - 8 SK1050 Operator’s Manual
SK1050
Operator’s Manual
Yanmar® 3TNV88C
Issue number 3.0/OM-1/20
Part number 053-2963
Copyright 2016, 2018, 2020
by The Charles Machine Works, Inc.
and Ditch Witch are registered trademarks of The Charles Machine Works, Inc.
This product and its use may be covered by one or more patents at http://patents.charlesmachine.works.

SK1050 Operator’s Manual Contents - 9
Contents
Overview 1
Machine serial number, information about the type of work this machine is designed
to perform, basic machine components, and how to use this manual
Foreword 7
Part number, revision level, and publication date of this manual, and factory contact
information
Safety Awareness 11
Machine safety alerts and emergency procedures
Prepare 19
Procedures for preparing jobsite, preparing operator, and preparing equipment
Controls 31
Machine controls, gauges, and indicators and how to use them
Drive 49
Procedures for startup, cold start, driving, and shutdown
Transport 55
Procedures for lifting, hauling, and retrieving
Complete the Job 63
Procedures for restoring the jobsite and rinsing and storing equipment
Service 65
Service intervals and instructions for this machine including lubrication, replacement
of wear items, and basic maintenance
Specifications 89
Machine specifications including weights, measurements, power ratings, and fluid
capacities