Record serial numbers and date of purchase in spaces provided. RT80Q (1) and engine serial numbers (2)
are located as shown.
CMW
Date of manufacture
Date of purchase
RT80Q serial number
Front attachment serial number
Rear attachment serial number
Trailer serial number
Engine serial number
RT80Q Operator’s ManualOverview - 3
Intended Use
Intended Use
The RT80Q is a riding trencher designed to install buried service lines of various sizes using a variety of
Ditch Witch attachments.
AttachmentMax. width/diameterMax. depth
H810 trencher24” (610 mm) 93” (2.4 m)
H813 trencher12” (305 mm)58.4” (1.5 m)
H832 plown/a36” (915 mm)
RC80 reel carrier84” (2.1 m) reel diametern/a
H853 combo12” (305 mm)69” (1.8 m)
A820 backhoe18” (460 mm) bucket89” (2.2 m)
HD630 sawSee manufacturer’s specifications
This unit is designed for operation in temperatures typically experienced in earth moving and construction
work environments. Provisions may be required to operate in extreme temperatures. Contact your Ditch
Witch dealer.
Use in any other way is considered contrary to the intended use.
The RT80Q should be used with genuine Ditch Witch chain, teeth, and sprockets. It should be operated,
serviced, and repaired only by persons familiar with their 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 testing.
The protection offered by the Rollover Protective System (ROPS) will be impaired if it has been subjected
to any modification, structural damage, or has been involved in an overturn accident. The ROPS must be
replaced after a roll-over.
CMW
Overview - 4RT80Q Operator’s Manual
Unit Components
Unit Components
23
4
1
5
t33om026w.eps
1. Rollover Protective Structure (ROPS)
2. Operator station
3. Control console
NOTICE: The protection offered by the Rollover Protective System (ROPS) will be impaired if it has
been subjected to any modification, structural damage, or has been involved in an overturn accident.
The ROPS must be replaced after a roll-over.
4. Engine compartment
5. Backfill blade (optional)
CMW
RT80Q Operator’s ManualOverview - 5
Operator Orientation
Operator Orientation
1. Front of unit
2. Right of unit
Right and left sides of machine are determined by
facing front of unit while seated at the controls.
3. Rear of unit
4. Left of unit
About This Manual
This manual contains information for the proper
use of this machine. See Operation Overview
for basic operating procedures. 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.
CMW
Overview - 6RT80Q Operator’s Manual
About This Manual
CMW
RT80Q Operator’s ManualForeword - 7
Foreword
This manual is an important part of your equipment. It provides safety information and operation
instructions to help you use and 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.
CMW
Foreword - 8RT80Q Operator’s Manual
RT80Q
with Tier 4 engine
Operator’s Manual
Issue number 1.1/OM-7/14
Part number 053-2708
Copyright 2013, 2014
by The Charles Machine Works, Inc.
, Ditch Witch, CMW, Roto Witch, and The Underground Authority, are registered
trademarks of The Charles Machine Works, Inc.
This product is covered by one or more of the following patents: U.S. D640290, D640291, and D640292
with other U.S. and foreign patents pending.
CMW
RT80Q Operator’s ManualContents - 9
Contents
Overview
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
part number, revision level, and publication date of this manual, and factory contact
information
Safety
machine safety alerts and emergency procedures
Controls
machine controls, gauges, and indicators and how to use them
Operation Overview
an overview for completing a job with this machine: planning, setting up, installing
product, and restoring the jobsite; with cross references to detailed procedures
Prepare
procedures for inspecting and classifying the jobsite, planning the installation path,
and preparing the jobsite for work
Drive
procedures for startup, cold start, driving, and shutdown
1
7
11
29
63
67
73
Transport
procedures for lifting, hauling, and towing
Trench
procedures for trenching
Plow
procedures for plowing
Reel Carrier
procedures for using reel carrier/winder
Saw
procedures for sawing
79
91
97
105
109
CMW
Contents - 10RT80Q Operator’s Manual
Backhoe
procedures for digging with backhoe
Drill
procedures for drilling
Systems and Equipment
chain, teeth, sprockets, and optional equipment
Complete the Job
procedures for backfilling and restoring the jobsite and rinsing and storing
equipment
Service
service intervals and instructions for this machine including lubrication, replacement
of wear items, and basic maintenance
Specifications
machine specifications including weights, measurements, power ratings, and fluid
capacities
Support
the warranty policy for this machine, and procedures for obtaining warranty
consideration and training
113
117
125
133
135
179
197
Service Record
a record of major service performed on the machine
Follow these guidelines before operating any jobsite equipment:
•Complete proper training and read operator’s manual before using equipment.
•Contact your local One-Call (811 in USA) or the One-Call referral number (888-258-0808 in USA and
Canada) to have underground utilities located before digging. Also contact any utilities that do not
participate in the One-Call service. Mark proposed path with white paint prior to contacting One-Call or
utilities.
•Classify jobsite based on its hazards and use correct tools and machinery, safety equipment, and work
methods for jobsite.
•Mark jobsite clearly and keep spectators away.
•Wear personal protective equipment.
•Review jobsite hazards, safety and emergency procedures, and individual responsibilities with all
personnel before work begins. Safety videos are available from your Ditch Witch
•Replace missing or damaged safety shields and safety signs.
•Use equipment carefully. Stop operation and investigate anything that does not look or feel right.
®
dealer.
•Do not operate unit where flammable gas may be present.
•Contact your Ditch Witch dealer if you have any question about operation, maintenance, or equipment
use.
•Complete the equipment checklist located at www.ditchwitch.com/resources/safety.
CMW®
RT80Q Operator’s ManualSafety - 13
Emergency Procedures
Emergency Procedures
Jobsite hazards could cause death or serious injury. Use
correct equipment and work methods. Use and maintain proper safety
equipment.
Before operating any equipment, review emergency procedures and check that all safety precautions have
been taken.
EMERGENCY SHUTDOWN - Turn ignition switch to stop position or push remote engine stop button (if
equipped).
Electric Strike Description
Electric shock. Contacting electric lines will cause death or serious injury.
Know location of lines and stay away.
When working near electric cables, remember the following:
•Electricity follows all paths to ground, not just path of least resistance.
•Pipes, hoses, and cables will conduct electricity back to all equipment.
•Low voltage current can injure or kill. Many work-related electrocutions result from contact with less
than 440 volts.
Most electric strikes are not noticeable, but indications of a strike include:
•power outage
•smoke
•explosion
•popping noises
•arcing electricity
If any of these occur, assume an electric strike has occurred.
CMW®
Safety - 14RT80Q Operator’s Manual
Emergency Procedures
If an Electric Line is Damaged
If you suspect an electric line has been damaged and you are on tractor, DO NOT MOVE. Remain on
tractor and take the following actions. The order and degree of action will depend upon the situation.
•Warn people nearby that an electric strike has occurred. Instruct them to leave the area and contact
utility.
•Raise attachments and drive from immediate area.
•Contact utility company to shut off power.
•Do not return to jobsite or allow anyone into area until given permission by utility company.
If you suspect an electric line has been damaged and you are off tractor, DO NOT TOUCH TRACTOR.
Take the following actions. The order and degree of action will depend upon the situation.
•LEAVE AREA. The ground surface may be electrified, so take small steps with feet close together to
reduce the hazard of being shocked from one foot to the other. For more information, contact your
Ditch Witch dealer.
•Contact utility company to shut off power.
•Do not return to jobsite or allow anyone into area until given permission by utility company.
CMW®
RT80Q Operator’s ManualSafety - 15
Emergency Procedures
If a Gas Line is Damaged
Fire or explosion possible. Fumes could ignite and cause
burns. No smoking, no flame, no spark.
Explosion possible. Serious injury or equipment damage could occur.
Follow directions carefully.
If you suspect a gas line has been damaged, take the following actions. The order and degree of action will
depend on the situation.
•Immediately shut off engine(s), if this can be done safely and quickly.
•Remove any ignition source(s), if this can be done safely and quickly.
•Warn others that a gas line has been cut and that they should leave the area.
•Leave jobsite as quickly as possible.
•Immediately call your local emergency phone number and utility company.
•If jobsite is along street, stop traffic from driving near jobsite.
•Do not return to jobsite until given permission by emergency personnel and utility company.
CMW®
Safety - 16RT80Q Operator’s Manual
Emergency Procedures
If a Fiber Optic Cable is Damaged
Do not look into cut ends of fiber optic or unidentified cable. Vision damage can occur.
If Machine Catches on Fire
Perform emergency shutdown procedure and then take the following actions. The order and degree of
action will depend on the situation.
•Immediately move battery disconnect switch (if equipped and accessible) to disconnect position.
•If fire is small and fire extinguisher is available, attempt to extinguish fire.
•If fire cannot be extinguished, leave area as quickly as possible and contact emergency personnel
CMW®
RT80Q Operator’s ManualSafety - 17
Safety Alert Classifications
Safety Alert Classifications
These classifications and the icons defined on the following pages work together to alert you to situations
which could be harmful to you, jobsite bystanders or your equipment. When you see these words and
icons in the book or on the machine, carefully read and follow all instructions. YOUR SAFETY IS AT
STAKE.
Watch for the three safety alert levels: DANGER, WARNING and CAUTION. Learn what each level
means.
indicates a hazardous situation that, if not avoided, will result in death or serious injury.
This signal word is to be limited to the most extreme situations.
indicates a hazardous situation that, if not avoided, could result in death or serious injury.
indicates a hazardous situation that, if not avoided, could result in minor or moderate
injury.
Watch for two other words: NOTICE and IMPORTANT.
NOTICE indicates information considered important, but not hazard-related (e.g., messages relating to
property damage).
IMPORTANT can help you do a better job or make your job easier in some way.
CMW®
Safety - 18RT80Q Operator’s Manual
Machine Safety Alerts
Machine Safety Alerts
Jobsite hazards could cause death or serious
1
2
3
injury. Use correct equipment and work methods. Use and maintain
proper safety equipment.
Read operator’s manual. Know how to use all
controls before operating machine. When you see this sign on
the machine or in the manual, read it and use caution. Your safety
is at stake.
Rollover possible. If machine rolls over, you could
be thrown from seat and killed or crushed. Wear seat belt.
CMW®
RT80Q Operator’s ManualSafety - 19
Machine Safety Alerts
Runaway possible. Machine could run over you or
4
5
6
7
others. Learn how to use all controls. Start and operate only from
operator’s position.
Fall possible. Riders can fall from machine and be
injured or killed. Only operator is allowed on machine.
Hot parts may cause burns. Do not touch until cool
or wear gloves.
Moving parts could cut off hand or foot. Stay away.
Tiedown location. See Transport chapter for more information.
8
CMW®
Safety - 20RT80Q Operator’s Manual
Attachment Safety Alerts
Attachment Safety Alerts
A820 T4
1
2
3
CMW®
Tiedown location. See Transport chapter for more information.
Moving parts could cut off hand or foot. Stay away.
Crushing weight could cause death or serious
injury. Use proper procedures and equipment or stay away.
RT80Q Operator’s ManualSafety - 21
Attachment Safety Alerts
H810
Moving digging teeth will cause death or serious
1
2
3
injury. Trench cave-in can cause you to fall. Stay away.
Lift point. See Transport chapter for more information.
Tiedown location. See Transport chapter for more information.
CMW®
Safety - 22RT80Q Operator’s Manual
Attachment Safety Alerts
H813
Tiedown location. See Transport chapter for more information.
1
Moving digging teeth will cause death or serious
2
3
injury. Trench cave-in can cause you to fall. Stay away.
Lift point. See Transport chapter for more information.
CMW®
RT80Q Operator’s ManualSafety - 23
Attachment Safety Alerts
Moving parts could cut off hand or foot. Stay away.
4
CMW®
Safety - 24RT80Q Operator’s Manual
Attachment Safety Alerts
H832
Tiedown location. See Transport chapter for more information.
1
Moving parts could cut off hand or foot. Stay away.
2
Crushing weight could cause death or serious
3
4
injury. Use proper procedures and equipment or stay away.
Lift point. See Transport chapter for more information.
CMW®
RT80Q Operator’s ManualSafety - 25
Attachment Safety Alerts
Tiedown location. See Transport chapter for more information.
5
CMW®
Safety - 26RT80Q Operator’s Manual
Attachment Safety Alerts
H853
Lift point. See Transport chapter for more information.
1
Crushing weight could cause death or serious
2
3
4
injury. Use proper procedures and equipment or stay away.
Moving parts could cut off hand or foot. Stay away.
Tiedown location. See Transport chapter for more information.
CMW®
RT80Q Operator’s ManualSafety - 27
Attachment Safety Alerts
Moving digging teeth will cause death or serious
5
injury. Trench cave-in can cause you to fall. Stay away.
CMW®
Safety - 28RT80Q Operator’s Manual
Attachment Safety Alerts
RC80
Lift point. See Transport chapter for more information.
1
Crushing weight could cause death or serious
2
injury. Use proper procedures and equipment or stay away.
NOTICE: To prevent mechanical
damage, stop tractor before operating
axle lock switch.
IMPORTANT: After pressing switch to
unlock axle, it may be necessary to
move tractor 6’ (2 m) in reverse to
fully unlock.
5. Graphic displayDisplays graphic symbols for
indicators and conditions
previously shown with
gauges.
!
c00ic604w.eps
6. Work light switchTo activate lights, press top.
To deactivate, press bottom.
c00ic601w.eps
See more information in “Graphic
Display” on page 34.
Optional.
CMW
Controls - 32RT80Q Operator’s Manual
Center Console
ItemDescriptionNotes
7. Reel carrier switchTo raise, press top.
To lower, press bottom.
c00ic205h.eps
8. Reel winder selector
switch
c00ic642w.eps
9. Flasher switchTo activate flashers, press
To change backfill blade
joystick to reel winder control
mode, press top.
To return to backfill blade
mode, press bottom.
top.
Optional.
Optional.
Optional.
c00ic600w.eps
10. Ground drive speed
switch
3
2
1
c00ic602w.eps
To deactivate, press bottom.
To select High (3), Medium
(2) or Low (1), press
appropriate switch position.
Screen icon displays High, Medium or
Low selection.
CMW
RT80Q Operator’s ManualControls - 33
Center Console
ItemDescriptionNotes
11. Ignition switchTo start engine, insert key and
turn clockwise.
To stop engine, turn
counterclockwise.
c00ic217h.eps
12. Ground drive foot
control
To move tractor forward, push
top of pedal.
To move tractor backward,
push bottom of pedal.
To increase speed in either
direction, push pedal farther
from center.
c00ic072c.eps
To reduce speed in either
direction, release pedal.
IMPORTANT: If engine does not start
on first attempt, check that all
interlock requirements have been
met, return switch to STOP, and try
again.
Pedal should automatically return to
neutral when released.
CMW
Controls - 34RT80Q Operator’s Manual
Graphic Display
Graphic Display
t33om091w.eps
0%0%
3
15
1020
0%
525
RPM
x100
0
30
0
v
0.0
0.0 H
0F
0 PSI
The graphic display module shows engine RPM and has icons for other functions. Soft keys allow the
operator to toggle between various screens and functions.
ItemDescriptionNotes
Attachment speed Displays percentage of
Displays ground drive
direction of travel, and speed
as a percentage.
c00ic006w.eps
Ground drive gear indicatorDisplays selected gear in
center of icon.
CMW
c00ic009w.eps
RT80Q Operator’s ManualControls - 37
Graphic Display
Main Menu
SYSTEM
SETTINGS
t33om093w.eps
USER
SETTINGS
GAUGE
DISPLAY
DIOGNOSTICS
Press center soft key to display the main menu screen, which has icons for other functions. Soft keys
below on-screen icons allow the operator to toggle between various screens and functions.
ItemDescriptionNotes
System SettingsThis is an information display.Press soft key below back icon
to return to previous screen.
c00ic011w.eps
Press center soft key to display gauge
screen.
c00ic015w.eps
CMW
Controls - 38RT80Q Operator’s Manual
Graphic Display
ItemDescriptionNotes
User SettingsAllows operator to customize
settings.
c00ic016w.eps
Gauge DisplayPress the soft key below this
on screen icon to select.
c00ic017w.eps
DiagnosticsDisplays interlock icons and
diagnostic codes, if any.
Press soft key below on
screen icons to return to main
menu or gauge display.
c00ic018w.eps
CMW
RT80Q Operator’s ManualControls - 39
Graphic Display
User Settings
USER
SETTINGS
1
Ambient Light
LanguageEnglish
Day
100%Brightness
USA Standard Units
2
BackSaveReset
3
4
t33om092w.eps
ItemDescriptionNotes
BackPress soft key below this icon
to return to previous screen.
c00ic011w.eps
DownPress soft key below this icon
to toggle through selections
Press center soft key to display gauge
screen.
Press center soft key to display gauge
screen.
1-4.
c00ic012w.eps
CMW
Controls - 40RT80Q Operator’s Manual
Graphic Display
ItemDescriptionNotes
SavePress soft key below this icon
Release all controls and turn
ignition switch to STOP.
IMPORTANT: Always rotate
clockwise during drilling and
backreaming. Rotate
counterclockwise only to dislodge a
dry bore bit or reamer that has seized
in the bore hole.
Switch should return to neutral
position when released.
2
CMW
Controls - 62RT80Q Operator’s Manual
1
Battery Disconnect
Battery Disconnect
t33om012w.eps
ItemDescriptionNotes
1. Battery disconnect
switch
To connect, move handle to
right.
To disconnect, move handle
to left.
c00ic654w.eps
NOTICE: Do not operate battery
switch with engine operating.
A successful job begins before you dig. The first step in planning is reviewing information already available
about the job and jobsite.
Review Job Plan
Review blueprints or other plans. Check for information about existing or planned structures, elevations, or
proposed work that may be taking place at the same time.
Notify One-Call Services
Contact your local One-Call (811 in USA) or the One-Call referral number (888-258-0808 in USA and
Canada) to have underground utilities located before digging. Also contact any utilities that do not
participate in the One-Call service.
Arrange for Traffic Control
If working near a road or other traffic area, contact local authorities about safety procedures and
regulations.
Plan for Emergency Services
Have the telephone numbers for local emergency and medical facilities on hand. Check that you will have
access to a telephone.
CMW
RT80Q Operator’s ManualPrepare - 69
Inspect Site
Inspect Site
Inspect jobsite before transporting equipment. Check for the following:
•changes in elevation such as hills or other open trenches
•obstacles such as buildings, railroad crossings, or streams
•signs of utilities (“Inspect Jobsite” on page 70)
•traffic
•access
•soil type and condition
Identify Hazards
Identify safety hazards and classify jobsite. See “Classify Jobsite” on page 70.
Jobsite hazards could cause death or serious injury. Use
correct equipment and work methods. Use and maintain proper safety
equipment.
To help avoid injury:
•Wear personal protective equipment including hard hat, safety eye wear, and hearing protection.
•Do not wear jewelry or loose clothing.
•Notify One-Call and companies which do not subscribe to One-Call.
•Comply with all utility notification regulations before digging or drilling.
•Verify location of previously marked underground hazards.
•Mark jobsite clearly and keep spectators away.
Remember, jobsite is classified by hazards in place -- not by line being installed.
CMW
Prepare - 70RT80Q Operator’s Manual
Classify Jobsite
Classify Jobsite
Inspect Jobsite
•Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and
other similar regulations.
•Contact your local One-Call (811 in USA) or the One-Call referral number (888-258-0808 in USA and
Canada) to have underground utilities located before digging. Also contact any utilities that do not
participate in the One-Call service.
•Inspect jobsite and perimeter for evidence of underground hazards, such as:
– “buried utility” notices
– utility facilities without overhead lines
– gas or water meters
– junction boxes
– drop boxes
– light poles
– manhole covers
– sunken ground
•Have an experienced locating equipment operator sweep area within 20’ (6 m) to each side of trench
path. Verify previously marked line and cable locations.
•Mark location of all buried utilities and obstructions.
•Classify jobsite.
Select a Classification
Jobsites are classified according to underground hazards present.
If working . . .then classify jobsite as . . .
within 10’ (3 m) of a buried electric lineelectric
within 10’ (3 m) of a natural gas linenatural gas
in sand, granite, or concrete which is capable of producing
crystalline silica (quartz) dust
within 10’ (3 m) of any other hazardother
NOTICE: If you have any doubt about jobsite classification, or if jobsite might contain unmarked
hazards, take steps outlined previously to identify hazards and classify jobsite before working.
crystalline silica (quartz) dust
CMW
RT80Q Operator’s ManualPrepare - 71
Classify Jobsite
Apply Precautions
Once classified, precautions appropriate for jobsite must be taken.
Electric Jobsite Precautions
Use one or both of these methods.
•Expose line by careful hand digging or soft excavation.
•Have service shut down while work is in progress. Have electric company test lines before returning
them to service.
Natural Gas Jobsite Precautions
In addition to positioning equipment upwind from gas lines, use one or both of these methods.
•Expose lines by careful hand digging or soft excavation.
•Have gas shut off while work is in progress. Have gas company test lines before returning them to
service.
Crystalline Silica (Quartz) Dust Precautions
Crystalline silica dust is a naturally occurring substance found in soil, sand, concrete, granite, and quartz.
Breathing silica dust particles while cutting, drilling, or working materials may cause lung disease or
cancer. To reduce exposure:
•Use water spray or other means to control dust.
•Refer to U.S. Department of Labor Occupational Safety and Health Administration guidelines to learn
more about appropriate breathing protection and permissible exposure limits.
Other Jobsite Precautions
You may need to use different methods to safely avoid other underground hazards. Talk with those
knowledgeable about hazards present at each site to determine which precautions should be taken or if
job should be attempted.
CMW
Prepare - 72RT80Q Operator’s Manual
Check Supplies and Prepare Equipment
Check Supplies and Prepare Equipment
Supplies
•fuel
•keys
•personal protective equipment, such as hard hat and safety glasses
Fluid Levels
•fuel
•hydraulic fluid
•battery charge
•engine oil
Condition and Function
•digging chain and teeth
•brake pads and disc
•fan belts
•light bulbs
•filters (air, oil, hydraulic)
•tracks
•pumps and motors
•hoses and valves
•signs, guards, and shields
Accessories
Fire Extinguisher
If required, mount a fire extinguisher near the power unit but away from possible points of ignition. The fire
extinguisher should always be classified for both oil and electric fires. It should meet legal and regulatory
requirements.
Before operating tractor, read engine manufacturer’s starting and operating instructions. Follow
instructions for new engine break-in.
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
To help avoid injury:
•Read operator’s manual before operating equipment. Follow instructions carefully. Contact Ditch
Witch dealership for operation information or demonstration.
•Wear hard hat, safety glasses, and other protective equipment required by job. Do not wear jewelry
or loose clothing that can catch on controls.
Runaway possible. Machine could run over you or others. Learn how to
use all controls. Start and operate only from operator’s position.
Rollover possible. If machine rolls over, you could be thrown from seat
and killed or crushed. Wear seat belt.
CMW
RT80Q Operator’s ManualDrive - 75
Start Unit
1. Fasten and adjust seat belt.
2. Check that ground drive control and attachment speed/direction control are in neutral.
3. Move throttle to idle.
4. Verify that parking brake is engaged.
5. Turn ignition switch to the run position (key on, engine off). Wait for operator display to come on.
6. When cold start wait indicator goes off, turn ignition switch all the way clockwise to start tractor.
Explosion possible. Serious injury or equipment damage could
occur. Follow directions carefully.
To help avoid injury: Do not use ether or any other type of aerosol starting fluid when unit is
equipped with cold start option.
•If engine does not crank, check start interlock display. See page 31 for start interlock information.
•If engine turns but does not start within 10 seconds, allow starter to cool before trying to start
again.
Improper control function could cause death or serious injury.
To help avoid injury: Stop machine and have it serviced if control does not work
as described in instructions.
IMPORTANT: Machine will not start if start interlock requirements are not met. See page 31 for
start interlock information.
7. Run engine at half-throttle or less for five minutes before operating tractor. During warmup, check that
all controls work properly.
CMW
Drive - 76RT80Q Operator’s Manual
Drive
Drive
Moving traffic – hazardous situation. Death or serious injury could result.
Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs.
To help avoid injury:
•Survey your field of vision when operating the machine.
•Drive carefully in congested areas. Know machine’s clearance and turning radius.
•Keep attachments low when operating on slope. Drive slowly and cautiously.
EMERGENCY SHUTDOWN: Turn ignition switch to STOP.
General Operation
1. Turn on lights as needed.
2. Raise backfill blade and all attachments.
3. Release parking brake.
4. Adjust throttle.
5. When operating in low or medium:
•if using the hand control, the foot control will only increase speed.
•any opposing signal from controls causes ground drive to stop.
6. When operating in high, ground drive stops if hand control is moved out of neutral position.
CMW
RT80Q Operator’s ManualDrive - 77
Drive
Safe Slope Operation
Tipover possible. Machine can tip over and crush you.
To help avoid injury:
•Only operate equipment on slopes if absolutely necessary.
•Always operate with heavy end uphill. Keep attachments low and travel up and down the slope.
•Drive cautiously, in the lowest gear, at all times.
•Never jerk control levers. Use a steady even motion.
•Do not park unit on slope without lowering digging attachment to the ground, returning all controls
to neutral position, shutting down unit, and applying parking brake.
•Assess the site to determine if the slope and conditions are conducive to a safe working
environment.
Operating safely on a slope depends upon many factors including:
•Distribution of machine weight, including front loading and absence of load
•Height of load
•Saturated, even or rough ground conditions
•Potential for ground giving way causing unplanned tilt forward, reverse or sideways
•Nearness of ditches, ruts, stumps or other obstructions and sudden changes in slope
•Speed
•Turning
•Braking performance
•Operator skill
These varying factors make it impractical to specify a maximum safe operating angle in this manual. It is
therefore important for the operator to be aware of these conditions and adjust operation accordingly.
Maximum engine angle and braking performance are two absolute limits which must never be exceeded.
These maximums are stated below since they are design limits. These design limits usually exceed the
operating limits and must never be used alone to establish safe operating angle for variable conditions.
Maximum engine lubrication angle – 30°
Maximum service brake retarding force – equal to traction of both tracks.
Maximum secondary brake retarding force – equal to traction of one track.
Maximum park brake holding force – equal to traction of both tracks.
CMW
Drive - 78RT80Q Operator’s Manual
Shut Down
Shut Down
1. When job is complete, move ground drive control to neutral.
2. Set parking brake.
3. Lower all attachments to ground.
4. Move throttle to idle for 3 minutes to cool engine.
5. Turn ignition switch to STOP. If leaving machine unattended, remove key.
6. For maintenance or long-term storage, turn battery disconnect switch, if equipped, to the disconnect
position.
Crushing weight could cause death or serious injury. Use
proper procedures and equipment or stay away.
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
Tractor
This machine is not configured for lifting. If the machine must be lifted, load machine into a container or
onto a platform appropriate for lifting. See “Specifications” for weight of machine.
Centerline Trencher
Lift points shown with arrows. Use crane
capable of supporting the equipment's size
and weight. See “Specifications” or measure
and weigh equipment before lifting.
Traversing Trencher
Lift points shown with arrows. Use crane
capable of supporting the equipment's size
and weight. See “Specifications” or measure
and weigh equipment before lifting.
CMW
RT80Q Operator’s ManualTransport - 81
Lift
Combo
Lift points shown with arrows. Use crane capable
of supporting the equipment's size and weight.
See “Specifications” or measure and weigh
equipment before lifting.
Plow linkage has some movement and may
require better support in some situations.
Plow
Lift points shown with arrows. Use crane
capable of supporting the equipment's size
and weight. See “Specifications” or measure
and weigh equipment before lifting.
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CMW
Transport - 82RT80Q Operator’s Manual
Lift
Reel Carrier
Lift points shown with arrows. Use crane
capable of supporting the equipment's size
and weight. See “Specifications” or measure
and weigh equipment before lifting.
CMW
RT80Q Operator’s ManualTransport - 83
Tie Down
Tie Down
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
Points
Tiedown points are identified by tiedown decals. Securing to trailer at other
points is unsafe and can damage machinery.
Tractor
Attach chains at front and rear tiedown points.
Make sure chains are tight before transporting
unit.
Centerline Trencher
Lower trencher to trailer deck and chain at
attachment frame and through boom. Make
sure chains are tight before transporting.
IMPORTANT: If trencher is equipped with a
trench cleaner, ensure that trench cleaner
shoe is fully up and extra bolt (found in
operator’s manual compartment) is installed
in center hole for additional support.
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CMW
Transport - 84RT80Q Operator’s Manual
Tie Down
Traversing Trencher
Lower trencher to trailer deck and chain at
attachment frame and through boom. Make
sure chains are tight before transporting.
IMPORTANT: If trencher is equipped with
a trench cleaner, ensure that trench
cleaner shoe is fully up and extra bolt
(found in operator’s manual compartment)
is installed in center hole for additional
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support.
Combo
Lower attachment to trailer deck and chain at
attachment frame and vibrator box. Make sure
chains are tight before transporting.
NOTICE:
•Engage attachment stow lock and swing
lock devices in addition to securing at
tiedowns.
•Unsecured plow can swing outside the
trailer and become a traffic hazard. Lower
plow and chain to trailer deck before
hauling.
•If trencher is equipped with a trench
cleaner, ensure that trench cleaner shoe is
fully up and extra bolt (found in operator’s
manual compartment) is installed in center
hole for additional support.
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CMW
RT80Q Operator’s ManualTransport - 85
Tie Down
Plow
Lower plow to trailer deck and chain at
attachment frame and vibrator box. Make sure
chains are tight before transporting.
NOTICE:
•Engage attachment stow lock and
swing lock devices in addition to
securing at tiedowns.
•Unsecured plow can swing outside the
trailer and become a traffic hazard.
Lower plow and chain to trailer deck
before hauling.
Reel Carrier
Lower reel carrier to lowest position and tie down
at attachment arms. Make sure chains are tight
before transporting.
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CMW
Transport - 86RT80Q Operator’s Manual
Haul
Haul
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
To help avoid injury:
•Read trailer operator’s manual before loading or transporting your machine. Incorrectly loaded
machine can slip or cause trailer sway.
•Ensure that tow vehicle has proper tow capacity rating.
•Attach trailer to tow vehicle before loading or unloading.
•Park, load, and unload trailer on level ground.
•Check that unit and trailer do not exceed size or weight regulations.
•Load trailer correctly to avoid trailer swaying. Ten to fifteen percent of total vehicle weight
(equipment plus trailer) must be on tongue to help prevent trailer sway.
•Connect safety chains to tow vehicle. Attach left chain to right side of tow vehicle and vice versa to
cradle hitch. Do not connect to pintle hook or hitch ball.
•Connect breakaway switch cable to tow vehicle. Do not connect to pintle hook or hitch ball.
Procedure
Inspect Trailer
1. Check hitch for wear and cracks. Lubricate if needed.
2. Check battery for 12V charge.
3. Inspect lights for cleanliness and correct operation. Inspect reflectors and replace if needed.
4. Check trailer tire pressure. Check lug nut torque with a torque wrench. Adjust if needed.
5. Ensure trailer brakes are adjusted to come on with tow vehicle brakes.
6. Check ramps and trailer bed for cracks.
CMW
RT80Q Operator’s ManualTransport - 87
Haul
Load
Crushing weight could cause death or serious injury. Use
proper procedures and equipment or stay away.
To help avoid injury:
•Attach trailer to tow vehicle before loading or unloading.
•Load and unload trailer on level ground.
•Block trailer wheels.
Rollover possible. If machine rolls over, you could be thrown from seat
and killed or crushed. Wear seat belt.
1. Fasten and adjust seat belt.
2. Start tractor. See page 74 for proper start-up procedures.
3. Raise attachments, but keep them low and centered. Check that they are not in float.
4. Release parking brake and verify that parking brake indicator is off.
5. Move ground drive switch to low.
6. Slow engine to low throttle and slowly drive tractor onto trailer.
7. Position tractor on trailer deck for proper weight distribution.
8. Engage parking brake and verify that parking brake indicator is on.
9. Lower attachments to trailer bed and turn tractor off. See page 78 for proper shutdown procedures.
10. Attach chains to tractor and attachments where tiedown decals are located. See page 83.
CMW
Transport - 88RT80Q Operator’s Manual
Haul
Unload
Crushing weight could cause death or serious injury. Use
proper procedures and equipment or stay away.
To help avoid injury:
•Attach trailer to tow vehicle before loading or unloading.
•Load and unload trailer on level ground.
•Block trailer wheels.
Rollover possible. If machine rolls over, you could be thrown from seat
and killed or crushed. Wear seat belt.
1. Lower trailer or ramps.
2. Check that parking brake is engaged and verify that parking brake indicator is on.
3. Check that ground drive controls are in neutral.
4. Remove chains from tiedowns.
5. Fasten and adjust seat belt.
6. Start tractor. See page 74 for proper start-up procedures.
7. Raise attachments, but keep them low and centered. Check that they are not in float.
8. Release parking brake and verify that parking brake indicator is off.
9. Slow engine to low throttle and slowly back unit down trailer or ramps.
CMW
RT80Q Operator’s ManualTransport - 89
Tow
Tow
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
Under normal conditions, tractor should not be towed. If tractor becomes disabled and towing is
necessary:
•Do not tow for more than 200 yd (180 m).
•Tow at less than 1 mph (1.6 km/h).
•Steering will be very difficult.
Procedure
1. Engage parking brake.
2. Block front and rear tracks to prevent unit
from rolling.
3. Attach tow line to all available tie-down
points facing towing vehicle.
4. On left side of tractor, locate four plugs on
pump housing. Thoroughly clean area
around plugs.
5. Remove front two plugs (shown) with
5/16” Allen wrench. Some fluid will
escape.
6. Use clean needle nose pliers to remove
relief/check valves.
7. Install plugs until o-ring touches pump housing ot prevent oil leakage during towing.
IMPORTANT: Keep check valves clean while towing.
8. Remove blocks.
9. Fasten seatbelt and adjust seatbelt.
10. Disengage parking brake.
11. After towing, reinstall check valves with spring end in first.
IMPORTANT: If plug does not thread in easily until the o-ring touches the pump housing, the
relief/check valve might be bound in bore. Remove plug and relief/check valve and reinstall.
EMERGENCY SHUTDOWN - Turn ignition switch to STOP.
Crushing weight could cause death or serious injury. Use
proper procedures and equipment or stay away.
To help avoid injury: Use attachments or counterweights to make front and rear loads balance when all
attachments are raised. Contact your Ditch Witch dealer about counterweighting for your equipment.
Jobsite hazards could cause death or serious injury. Use
correct equipment and work methods. Use and maintain proper safety
equipment.
To help avoid injury: Comply with all utility notification regulations before digging or drilling.
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
Before Using Trencher
NOTICE: If trencher is equipped with trench
cleaner, check to ensure that shipping bolt
has been removed, as shown.
1. Fasten and adjust seat belt.
2. Start tractor. See page 74 for start-up
procedures.
3. Drive to starting point. Move in line with
planned trench.
CMW
t33om080w.eps
RT80Q Operator’s ManualTrench - 93
Operation
IMPORTANT:
•When cutting asphalt, start trench in soil at edge of road and use shortest possible boom at full
depth.
•Sight along center of hood to a stake driven beyond end of trench line for straight trench.
•For optimal spoils delivery, adjust the auger positions forward or backward to accommodate terrain
and digging depth.
4. Lower backfill blade.
5. Engage parking brake.
6. Lower boom to just above ground.
7. Check that attachment speed/direction control and ground drive controls are in neutral.
8. If equipped with combo, select trenching control position.
Operation
Breathing crystalline silica dust may cause lung disease. Cutting, drilling,
or working materials such as concrete, sand, or rock containing quartz may result in
exposure to silica dust. Use dust control methods or appropriate breathing protection
when exposed to silica dust.
Electrical shock. Contacting electrical lines will cause death or serious
injury. Know location of lines and stay away.
To help avoid injury: Expose lines by hand before digging. Cutting high voltage cable can cause
electrocution.
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
To help avoid injury:
•Comply with all utility notification regulations before digging or drilling.
•Notify companies that do not subscribe to One-Call.
CMW
Trench - 94RT80Q Operator’s Manual
Operation
Flying objects thrown by machine may strike people. Wear hard hat and
safety glasses.
Moving digging teeth will cause death or serious injury.
Trench cave-in can cause you to fall. Stay away.
To help avoid injury:
•Ensure parking brake is engaged.
•Allow 3’ (1 m) between digging teeth and obstacle. Machine might jerk when digging starts.
•Keep everyone at least 6’ (2 m) from machine, attachments, and their range of movement.
1. Lower backfill blade to reduce shock when trenching begins.
2. If necessary, adjust throttle to low idle.
3. Move attachment speed/direction control to desired speed. DIGGING CHAIN WILL MOVE.
NOTICE: Always start trenching with attachment speed set at low. If soil conditions permit
optimum digging at higher speeds, select high.
4. Increase engine speed to full throttle.
5. Slowly lower digging boom to depth.
6. Raise backfill blade and release parking brake.
7. Move ground drive control to desired speed.
8. If using optional mechanical trench cleaner:
•Stop tractor and turn ignition switch to STOP.
•Lower trench cleaner, if equipped.
•Restart tractor, fasten seat belt, and continue trenching.
NOTICE:
•Make sure that shipping bolt is removed before attempting to use trench cleaner.
•Do not have trench cleaner in working position when starting a trench.
•Do not back up with trench cleaner in working position.
•Do not use trench cleaner in conditions where large rocks can get between chain and
cleaner.
CMW
RT80Q Operator’s ManualTrench - 95
Operation
9. If using optional hydraulic trench cleaner:
•Trench forward a short distance.
•Move hydraulic control lever to lower trench cleaner, and continue trenching.
10. Push ground drive control forward to trenching speed.
NOTICE:
•Do not make sharp turns. Lower boom to full depth when turning.
•If an object becomes lodged in chain, move attachment speed/direction control to neutral
and raise boom slightly. Reverse chain direction. If object must be removed manually, turn
engine off and engage parking brake.
11. When trench is complete, move ground drive control to neutral.
12. Adjust throttle to low idle.
13. Raise boom.
14. As boom clears top of trench, move attachment speed/direction control to neutral.
15. Drive a short distance away from work site.
16. Shut down tractor. See page 78 for proper shutdown procedures.
17. Return optional trench cleaner to the stowed position.
EMERGENCY SHUTDOWN - Turn ignition switch to STOP.
Crushing weight could cause death or serious injury. Use
proper procedures and equipment or stay away.
To help avoid injury: Use attachments or counterweights to make front and rear loads balance when all
attachments are raised. Contact your Ditch Witch dealer about counterweighting for your equipment.
Jobsite hazards could cause death or serious injury. Use
correct equipment and work methods. Use and maintain proper safety
equipment.
To help avoid injury: Comply with all utility notification regulations before digging or drilling.
NOTICE: Do not operate vibrator unless plow is in the ground.
Read operator’s manual. Know how to use all controls
before operating machine. When you see this sign on the machine or
in the manual, read it and use caution. Your safety is at stake.
CMW
RT80Q Operator’s ManualPlow - 99
Setup
Position Tractor
IMPORTANT: If material must be at a constant depth, dig starting and target trenches.
1. Fasten and adjust seat belt.
2. Start tractor. See page 74 for start-up procedures.
3. Drive to starting point. Move in line with planned trench.
4. Engage parking brake and verify parking brake indicator is on.
5. Lower backfill blade, if equipped.
6. If equipped with combo, select the plow control position.
7. Lower plow to starting point of trench.
8. Turn ignition switch to STOP.
Attach Product
To Pull Product
1. Insert material into pulling grip.
2. Tape grip with duct tape.
NOTICE: Keep everyone away from
material being installed.
CMW
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