Ditch Witch MR90 User Manual
MR90
Operator’s
Manual
CMW
68
®
Issue 1.0
053-2768
MR90 Operator’s Manual Overview - 1
Overview
Chapter Contents
Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 2
Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Equipment Modification . . . . . . . . . . . . . . . . . . . . . . 2
Unit Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Operator Orientation. . . . . . . . . . . . . . . . . . . . . . . . . 3
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 5
• Bulleted Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
• Numbered Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
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Overview - 2 MR90 Operator’s Manual
Serial Number Location
Serial Number Location
Record serial numbers and date of purchase in spaces provided. Fluid unit serial number is located as
shown.
Item
date of manufacture
date of purchase
fluid unit serial number
engine serial number
CMW
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MR90 Operator’s Manual Overview - 3
Intended Use
Intended Use
The MR90 is a self-contained fluid handling unit capable of mixing and recycling drilling fluid and
transferring fluid under pressure to the drilling unit. It is intended for operation in ambient temperatures
from 32° to 115°F (0° to 46°C). Use in any other way is considered contrary to the intended use.
The MR90 can be used with Ditch Witch
by persons familiar with its particular characteristics and acquainted with the relevant safety procedures.
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drilling units. It should be operated, serviced, and repaired only
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.
CMW
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Overview - 4 MR90 Operator’s Manual
Unit Components
Unit Components
1. Mixing hopper
2. Hydraulic jack
3. Fresh water tank (300 gallon)
4. Shaker
5. Operator station
6. MR90 tank
7. Pit pump
8. Mix/supply pump
9. Cleaning pump
10. T14 trailer
11. FM25h power unit
12. Water pump
13. Hose reel
14. Antifreeze tank
15. Spoils hopper*
*optional
CMW
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MR90 Operator’s Manual Overview - 5
Operator Orientation
Operator Orientation
1. Front of unit
2. Right of unit
Right and left sides of machine are determined
by facing towing vehicle.
3. Rear of unit
4. Left of unit
About This Manual
This manual contains information for the proper use of this machine. See the beige Operation Overview
pages 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.
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Overview - 6 MR90 Operator’s Manual
About This Manual
CMW
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MR90 Operator’s Manual Foreword - 7
Reporting Safety Defects
Foreword
This manual is an important part of your equipment. It provides safety information and operation
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instructions to help you use and maintain your Ditch Witch
Read this manual before using your equipment. Keep it with the equipmen t 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 publishe d. For the latest information on Ditch Witch equipment, see your
Ditch Witch dealer.
equipment.
Thank you for buying and using Ditch Witch equipment.
Reporting Safety Defects
If you believe that your vehicle has a defect which could cau se a cr ash o r co uld ca use injury or death, you
should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to
notifying the Product Safety Coordinator at The Charles Machine Works, Inc.
If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists
in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become
involved in any individual problems between you, your Ditch Witch dealer, or The Charles Machine Works,
Inc.
To contact NHTSA you may either call the Auto Safety Hotline toll-free at 1-888-327-4236 (TT Y: 1-800424-9153), go to http://www.safercar.gov, or write to:
Administrator
NHTSA
1200 New Jersey Avenue S.E.
Washington, DC 20590
You can also obtain other information about motor vehicle safety from http://www.safercar.gov.
CMW
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Foreword - 8 MR90 Operator’s Manual
Works, Inc.
MR90
Operator’s Manual
Issue number 1.0/OM-10/14
Part number 053-2768
Copyright 2014
by The Charles Machine Works, Inc.
, Ditch Witch, and CMW are registered trademarks of The Charles Machine
U.S. patents pending.
®
CMW
MR90 Operator’s Manual Contents - 9
Content s
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
Prepare
procedures for inspecting the jobsite and preparing the jobsite fo r work
Transport
procedures for lifting and hauling
Handle Fluid
procedures for mixing, recycling, and transferring fluid
1
5
9
17
29
33
37
Systems and Equipment
procedures for selecting fluid additives, determining fluid requirements and fluid
measurements, and screens
Complete the Job
procedures for 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
Service Record
a record of major service performed on the machine
43
43
45
57
107
111
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Contents - 10 MR90 Operator’s Manual
Appendix
additional information about your equipment
113
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MR90 Operator’s Manual Safety - 11
Safety
Chapter Contents
Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Emergency Procedures . . . . . . . . . . . . . . . . . . . . . 13
• Electric Strike Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
• If an Electric Line is Damaged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
• If a Gas Line is Damaged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
• If a Fiber Optic Cable is Damaged . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
• If Machine Catches on Fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Safety Alert Classifications . . . . . . . . . . . . . . . . . . 17
Machine Safety Alerts. . . . . . . . . . . . . . . . . . . . . . . 18
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Safety - 12 MR90 Operator’s Manual
Guidelines
Guidelines
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 p ath with white paint prior to cont acting One- Call or
utilities.
• Classify jobsite based on its hazards and use cor rect tools and machin ery, 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
ditchwitch.com/resources/safety .
• Replace missing or damaged safety shields and safety signs.
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dealer or at
• Use equipment carefully. Stop operation and investigate anything that does not look or feel right.
• Do not operate unit where flammable gas may be present.
• Contact your Ditch Witch dealer if you have any question about operation, ma intenance, or equipment
use.
• Complete the equipment checklist located at www.ditchwitch.com/resources/safety.
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MR90 Operator’s Manual Safety - 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 proc edures and check that all safety precau tions have
been taken.
EMERGENCY SHUTDOWN - Turn ignition switch to stop position or push remote e ngine stop button ( if
equipped).
Electric Strike Description
or serious injury. Know location of lines and stay away.
274-050
Electric shock. Contacting electric lines will cause death
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.
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Safety - 14 MR90 Operator ’s Manual
Emergency Procedures
If an Electric Line is Damaged
If you suspect an electric line has been damaged and you are on truck or trailer, DO NOT MOVE.
Remain on truck or trailer and take the following actions. The order and degree of action will depend on the
situation.
• Warn people nearby that an electric strike has occurred. Instruct them to leave the area and contact
utility.
• Do not allow anyone into area until given permission by utility company.
• Do not allow anyone to touch equipment.
If you suspect an electric line has been damaged and you are off truck or trailer, DO NOT TOUCH
EQUIPMENT. Take the following actions. The order and degree of action will depend on the situation.
• LEAVE AREA. The ground surface may be electrified so take small shuffle steps with feet close
together to reduce the hazard of being shocked from one foot to the other.
• Contact utility company to shut off power.
• Do not return to area or allow anyone into area until given permission by utility company.
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MR90 Operator’s Manual Safety - 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.
275-419 (2P)
• 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.
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Safety - 16 MR90 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. Contact utility
company.
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
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MR90 Operator’s Manual Safety - 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 mo derate 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.
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Safety - 18 MR90 Operator ’s Manual
Machine Safety Alerts
Machine Safety Alerts
Moving parts could cut off hand o r foot. S tay away.
1
275-184, 273-437, 273-546
Tiedown location. See Transport chapter for more information.
274-318
2
Lift point. See Tra nsport chapter for more information.
274-442
3
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MR90 Operator’s Manual Safety - 19
Machine Safety Alerts
Pressurized fluid or air could pierce skin and cause
4
severe injury. Refer to operator’s manual for proper use.
Rotating shaft will cause death or serious injury.
5
Stay away.
270-1506
Read operator’s manual. Know how to use all
6
controls. Your safety is at stake.
273-475
Electric shock will cause death or serious injury.
7
Fluid system could become electrified while connected to drilling
unit. Read operator’s manual and know emergency procedures.
273-265
270-6035
8
9
10
Jobsite hazards could cause death or serious
injury. Use correct equipment and work methods. Use and maintain
proper safety equipment.
274-050; 274-724 (2P)
Hot parts may cause burns. Do not touch until cool
or wear gloves.
275-355 (2-P), 273-423 (2-P)
Exposure to high noise levels may cause hearing
loss. Wear hearing protection.
700-009 (2-P)
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Safety - 20 MR90 Operator ’s Manual
Machine Safety Alerts
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MR90 Operator’s Manual Controls - 21
Controls
Chapter Contents
Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Mixing Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Recycling Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
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Controls - 22 MR90 Operator’s Manual
Power Unit
Power Unit
Controls and Indicators
1. Not used
2. Not used
3. Battery indicator
4. Low fuel indicator
5. Fuel gauge
6. Engine oil pressure indicator
7. Coolant temperature indicator
Item Description Notes
1. Not used
2. Not used
8. Hydraulic fluid temperature indicator
9. Glow plug indicator
10. Hourmeter
11. Cold start button
12. Throttle
13. Auxiliary outlet
14. Ignition switch
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MR90 Operator’s Manual Controls - 23
c00ic008w.eps
Power Unit
Item Description Notes
3. Battery indicator Indicates low battery voltage.
4. Low fuel indicator Displays fuel level near
empty.
5. Fuel gauge Displays fuel level in tank. Fuel tank holds 15 gal (56.85 L).
NOTICE: Notice: Use ultra low sulfur
fuel only.
6. Engine oil pressure
indicator
Lights when engine oil
pressure falls below 8-12 psi
(.6-.8 bar).
Also lights briefly when
engine is started.
If light remains on:
• Turn off engine.
• Check oil level.
• If pressure is still low, consult
engine manual.
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Controls - 24 MR90 Operator’s Manual
c00ic232h.eps
Power Unit
Item Description Notes
7. Coolant temperature
indicator
Lights when engine coolant
temperature is over 275°F
(135°C).
Also, lights briefly when
engine is started.
8. Hydraulic fluid
temperature indicator
Lights and alarm sounds
when hydraulic fluid is
overheating.
9. Glow plug indicator Lights when cold start button
is pressed.
If light remains on:
• Turn off engine and let unit cool.
• Check fan belt tension.
• Check for low coolant level.
• Check cooling fins for dirt and
debris.
Check hydraulic fluid level.
Reduce load.
Ensure oil cooler is clean.
10. Hourmeter Displays engine operating
time.
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CMW
Hourmeter runs when ignition switch
is on.
Use these times to schedule service.
MR90 Operator’s Manual Controls - 25
c00ic179h.eps
Power Unit
Item Description Notes
11. Cold start button To help start cold engine, turn
ignition switch to first position.
Press cold start button as
directed in notes.
Release button, then turn
ignition switch clockwise to
start.
12. Throttle To increase engine speed,
move up.
To decrease engine speed,
move down.
13. Auxiliary outlet To operate work lights or
other 12V devices, plug into
outlet.
IMPORTANT: Press cold start button
according to temperatures below.
• If ambient temperature is below
40°F (4°C), press and hold button
for five seconds.
• If ambient temperature is below
20°F (-7°C), press and hold
button for ten seconds.
• Do not press for more than 20
seconds continuously.
Outlet has power only when ignition
switch is on.
14. Ig n iti o n sw itch T o star t engine, insert key and
turn clockwise.
To stop engine, turn key
counterclockwise.
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Controls - 26 MR90 Operator’s Manual
Power Unit
Remote Control (optional)
1. Remote control power button
2. Remote stop button
3. Pit pump button
Item Description Notes
1. Remote control power
button
2. Remote stop button To stop the engine, press.
T o turn r emote control module
off, press.
4. Cleaning pump button
5. Mix/supply pump button
6. Not used
IMPORTANT:
• Pressing any button will turn the
remote on.
• Turning the remote off does not
shut off pumps.
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MR90 Operator’s Manual Controls - 27
Power Unit
Item Description Notes
3. Pit pump button To turn pit pump on and off,
press.
4. Cleaning pump button To turn cleaning pump on and
off, press.
5. Mix/supply pump
button
To turn mix/supply pump on
and off, press.
Pit pump control must be engaged for
the remote function to work. See “Pit
pump/pressure wash pump selector”
on page 35.
Switch at control panel must be on for
remote function to work. See
“Cleaning pump switch” on page 34.
Switch at control panel must be on for
remote function to work. See “Mix/
supply pump switch” on page 34.
6. Not used
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Controls - 28 MR90 Operator’s Manual
Power Unit
Indicators
1. Fluid low warning light 2. Fluid full warning light
Item Description Notes
1. Fluid low warning light Amber light will flash when
volume of fluid in MR90 tank
is too low.
2. Fluid full warning light Green light will flash when
volume of fluid in dirty side of
MR90 tank is full.
IMPORTANT: This light is magnetic
and can be moved to ensure better
visibility.
IMPORTANT: This light is magnetic
and can be moved to ensure better
visibility.
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MR90 Operator’s Manual Controls - 29
c00ic654w.eps
Power Unit
Miscellaneous
Item Description Notes
Battery disconnect switch To connect, move clockwise.
To disconnect, move
counterclockwise.
CMW
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