Demco RM Series User manual

AC20047, Rev 6
12/17
SPRAYERS
Rear Mount 150 & 200 Gallon

Page 2 AC20047
Thank you for purchasing a Demco sprayer. We feel you have made a wise choice and hope you are completely
satisfied with your new piece of equipment.
If you have any questions regarding the applications of certain solutions or chemicals, contact your chemical supplier
and follow chemical manufacturer recommendations as well as all licensing and use restrictions or regulations.
General Information................................................................................................................... 2
Safety Information ....................................................................................................................3-10
Bolt Torque................................................................................................................................. 10
Tank Installation......................................................................................................................... 11
Rear Mount Single Section Plumbing.................................................................................. 12-13
Rear Mount Three Section Plumbing................................................................................... 14-15
Centrifugal Pump Plumbing ................................................................................................... 16
Optional Single Section Electric Solenoid Controls Parts Breakdown w/ Parts List.......... 17
Optional Three Section Electric Solenoid Controls Parts Breakdown w/ Parts List........... 17
Valve Mounting and Location.................................................................................................. 18
Rear Mount to Tractor Three Point .......................................................................................... 19
Rear Mount 150 and 200 Parts Breakdown and List ............................................................. 20
C7560D or XL7560D Roller Pump Breakdown ..................................................................... 21
Direct-O-Valve Breakdown....................................................................................................... 21
Tee Valve Breakdown................................................................................................................ 21
DB1 Boom Mounting Breakdown and Boom Jet Nozzle Mounting................................... 22
Sprayer Checklist....................................................................................................................... 23
INTRODUCTION
WARRANTY POLICY, OPERATOR MANUALS, PARTS MANUALS & REGISTRATION
Go online to www.demco-products.com to review Demco warranty policies, operator manuals and register your Demco
product.
Chemicals are dangerous. Know exactly what you’re going to do and what is going
to happen before attempting to work with these products. Improper selection or use
can injure people, animals, plants and soil.
Always wear protective clothing such as coveralls, goggles and gloves when working
with chemicals or the sprayer.
Be sure to dispose of all unused chemicals or solutions in a proper and ecologically
sound manner.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, OBSERVE FOLLOWING INSTRUCTIONS:
GENERAL INFORMATION
1. Unless otherwise specified, high-strength (grade5)
(3 radial-line head markings) hex head bolts are used
throughout assembly of this piece of equipment.
2. Whenever terms “LEFT” and “RIGHT” are used in this
manual it means from a position behind sprayer and
facing forward.
3. When placing a parts order, refer to this manual for
proper part numbers and place order by PART NO. and
DESCRIPTION.
TABLE OF CONTENTS

AC20047 Page 3
TAKE NOTE! THIS SAFETY ALERT SYMBOL FOUND THROUGHOUT THIS
MANUAL IS USED TO CALL YOUR ATTENTION TO INSTRUCTIONS INVOLVING YOUR
PERSONAL SAFETY AND SAFETY OF OTHERS. FAILURE TO FOLLOW THESE INSTRUCTIONS
CAN RESULT IN INJURY OR DEATH!
THIS SYMBOL MEANS
ATTENTION
BECOME ALERT
YOUR SAFETY IS INVOLVED!
DANGER:
Indicates an imminently hazardous situation that, if not
avoided, will result in death or serious injury. This signal
word is to be limited to most extreme situations typically
for machine components which, for functional purposes,
cannot be guarded.
WARNING:
Indicates a potentially hazardous situation that, if not
avoided, could result in death or serious injury or death,
and includes hazards that are exposed when guards are
removed. It may also be used to alert against unsafe
practices.
CAUTION:
Indicates a potentially hazardous situation that, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.
If you have questions not answered in this manual, require additional copies, or if your manual is damaged, please contact
your dealer or DEMCO, 4010 320th Street, Boyden, IA 51234
ph: [phone] or Toll Free: 1-800-543-3626 Fax: [phone] or 1-800-845-6420
http://www.demco-products.com
SIGNAL WORDS:
This manual uses the following signal words--DANGER,
WARNING, and CAUTION-- with safety messages. The
appropriate signal word has been selected using the
following guidelines.
SAFETY

Page 4 AC20047
SAFETY...YOU CAN LIVE WITH IT
SAFETY
EQUIPMENT SAFETY GUIDELINES
Every year many accidents occur which could have been avoided by a few seconds of thought and a more
careful approach to handling equipment. You, the operator, can avoid many accidents by observing the
following precautions in this section. To avoid personal injury, study the following precautions and insist
those working with you, or you yourself, follow them.
In order to provide a better view, certain illustrations in this manual may show an assembly with a safety
shield removed. However, equipment should never be operated in this condition. Keep all shields in place.
If shield removal becomes necessary for repairs, replace shield prior to use.
Replace any caution, warning, danger or instruction safety decal that is not readable or is missing. Location
of such decals is indivated in this booklet.
Do not attempt to operate this sprayer under the influence of alcohol or drugs.
Review safety instructions with all users annually.
Operator should be a responsible adult. DO NOT ALLOW PERSONS TO OPERATE OR ASSEMBLE THIS
UNIT UNTIL THEY HAVE DEVELOPED A THOROUGH UNDERSTANDING OF SAFETY PRECAUTIONS
AND HOW IT WORKS.
To prevent injury or death, use a tractor equipped with a roll over protective system (ROPS). Do not paint
over, remove, or deface any safety signs or warning decals on your sprayer. Observe all safety signs and
practice instructions on them.
Never exceed limits of a piece of machinery. If its ability to do a job, or to do so safely is in question DON’T
TRY IT.
LIGHTING AND MARKING
It is the responsibility of customer to know lighting and marking requirements of local highway authorities
and to install and maintain sprayer to provide compliance with regulations. Add extra lights when trans-
porting at night or during periods of limited visibility.

AC20047 Page 5
DECAL PARTS LIST
A
B
C
D
DECAL LOCATION
ITEM PART # DESCRIPTION QTY
AAA21004 SMALL DEMCO 1
BAB21001 WARNING: DO NOT RIDE.... 1
CAB21002 WARNING: DO NOT STORE.... 1
DAB21014 WARNING: REFER TO CHEMICAL SUPPLIER.... 1
Please order replacement parts by PART NO. and DESCRIPTION

Page 6 AC20047
• Keepsafetysignscleanandlegibleatalltimes.
• Replacesafetysignsthataremissingorhavebecomeillegible.
• Replacementpartsthatdisplayedasafetysignshouldalsodisplaycurrentsign.
• Safetysignsareavailablefromyourdistributor,dealerpartsdepartment,orfactory.
How to install safety signs:
• Besurethatinstallationareaiscleananddry.
• Decideonexactpositionbeforeyouremovebackingpaper.
• Removesmallestportionofsplitbackingpaper.
• Aligndecaloverspeciedareaandcarefullypresssmallportionwith
exposed sticky backing in place.
• Slowlypeelbackremainingpaperandcarefullysmoothdecalintoplace.
• Airpocketscanbepiercedwithapinandsmoothedoutusingpieceofbackingpaper.
• Carefullystudyandunderstandthismanual.
• Donotwearloose-ttingclothingwhichmaycatchinmovingparts.
• Alwayswearprotectiveclothingandsubstantialshoes.
• Itisrecommendedthatsuitableprotectivehearingandeyeprotectionbeworn.
• Theoperatormaycomeincontactwithcertainmaterialswhichmayrequirespecicsafety  
equipment relative to handling of such materials. (Examples: extremely dusty, molds,
fungus, bulk fertilizers, etc.)
• Givesprayeravisualinspectionforanyloosebolts,wornparts,orcrackedwelds,andmake  
necessary repairs. Follow maintenance safety instructions included in this manual.
• Besuretherearenotoolslyingonorinequipment
• Donotusesprayeruntilyouaresurethatareaisclear,especiallyaroundchildrenand  
animals.
• Don’thurrylearningprocessortakesprayerforgranted.Easeintoitandbecomefamiliar  
with your new equipment.
• Practiceoperationofyourequipmentanditsattachments.Completelyfamiliarizeyourself  
and other operators with its operation before using.
• UseatractorequippedwithRollOverProtectionSystem(ROPS)andfastenyourseatbelt  
prior to starting engine.
• ManufacturerdoesnotrecommendusageofatractorwithROPSremoved.
SAFETY SIGN CARE
BEFORE OPERATION
SAFETY

AC20047 Page 7
• Movetractorwheelstowidestrecommendedsettingstoincreasestability.
• Donotallowanyonetostandbetweentongueorhitchandtowingvehiclewhenbackinguptosprayer.
• Bewareofbystanders,PARTICULARLY CHILDREN! Always look around to make sure that
it is safe to start engine of towing vehicle or move sprayer. This is particularly important with
higher noise levels and quiet cabs, as you may not hear people shouting.
• NOPASSENGERSALLOWED- Do not carry passengers anywhere on or in the tractor or
sprayer.
• Keephandsandclothingclearofmovingparts.
• Donotclean,lubricate,oradjustyoursprayerwhileitismoving.
• Whenhaltingoperation,evenperiodically,settractorortowingvehiclesbrakes,disengage  
PTO, shut off engine, and remove ignition key.
• Beespeciallyobservantofoperatingareaandterrain-watchforholes,rocks,orotherhidden  
hazards. Always inspect area prior to operation.
- DO NOT operate near edge of drop-offs or banks.
- DO NOT operate on steep slopes as overturn may result.
- Operate up and down (not across) intermediate slopes. Avoid sudden starts and stops.
• Pickthemostlevelpossibleroutewhentransportingacrosselds.Avoidedgesofditches,  
gullies, and steep hillsides.
• Beextracarefulwhenworkingoninclines.
• Periodicallyclearsprayerofbrush,twigs,orothermaterialstopreventbuildupofdry   
combustible materials.
• Maneuvertractorortowingvehicleatsafespeeds.
• Avoidoverheadwires.Contactwithoverheadlinescouldcauseseriousinjuryordeath.
• Avoidloosegravel,rocks,andholes;theycanbedangerousforsprayeroperationor   
movement.
• Allowforunitlengthwhenmakingturns.
• Donotwalkorworkunderraisedcomponentsorattachmentsunlesssecurelysupported.
• Keepallbystanders,pets,andlivestockclearofworkarea.
• Neverstandalongsideofunitwithenginerunningorattempttostartengineand/oroperate  
machine while standing alongside of unit.
• Neverleaverunningequipmentattachmentsunattended.
• Asaprecaution,alwaysrecheckhardwareonequipmentfollowingevery100hoursof  
operation. Correct all problems. Follow maintenance safety procedures.
DURING OPERATION
SAFETY

Page 8 AC20047
• Followingoperation,orwhenunhitching,stoptractorortowingvehicle,setbrakes,   
disengage PTO and all power drives, shut off engine and remove ignition key.
• Storeunitinanareaawayfromhumanactivity.
• Donotparkequipmentwhereitwillbeexposedtolivestockforlongperiodsoftime.Damage  
and livestock injury could result.
• Donotpermitchildrentoplayonoraroundstoredunit.
• Makesureallparkedmachinesareonahard,levelsurfaceandengageallsafetydevices.
• Adoptsafedrivingpractices:
- Keep brake pedals latched together at all times. NEVER USE INDEPENDENT BRAKING WITH MACHINE IN
TOW, LOSS OF CONTROL AND/OR UPSET OF UNIT CAN RESULT.
- Always drive at a safe speed relative to local conditions and ensure that your speed is low
enough for an emergency stop. Keep speed to a minimum.
- Reduce speed prior to turns to avoid risk of overturning.
- Always keep tractor or towing vehicle in gear to provide engine braking when going
downhill. Do not coast.
- Do not drink and drive!
• Complywithstateandlocallawsgoverninghighwaysafetyandmovementoffarmmachinery.
• Useapprovedaccessorylightingagsandnecessarywarningdevicestoprotectoperatorsofothervehicleson
highway during transport. Various safety lights and devices are available from your dealer.
• Useofashingamberlightsisacceptableinmostlocalities.However,somelocalitiesprohibittheiruse.Local
laws should be checked for all highway lighting and marking requirements.
• Whendrivingatractorandsprayerunder20mph(40kph)dayornight,useashingamber  
warning lights and a slow moving vehicle (SMV) identification emblem.
• Planyourroutetoavoidheavytrafc.
• Beasafeandcourteousdriver.Alwaysyieldtooncomingtrafcinallsituations,including  
narrow bridges, intersections, etc.
• Beobservantofbridgeloadingratings.Donotcrossbridgesratedlowerthangrossweightat 
which you are operating.
• SAFETYCHAINS:If equipment is going to be transported on a public highway, Always follow state and
local regulations regarding safety chains and auxiliary lighting. Be sure to check with local law enforcement
agencies for your own particular regulations. If required safety chains should be obtained and installed. Only
safety chains (not elastic or nylon/plastic tow straps) should be used to retain connection between towing
and towed machines in event of separation of primary attaching system. Use a high strength,
appropriately sized hitch pin with a mechanical retainer and attach safety chains. Criss cross chains under
tongue and secure to draw bar cage, mounting loops, or bumper frame.
FOLLOWING OPERATION
HIGHWAY AND TRANSPORT OPERATIONS
SAFETY

AC20047 Page 9
Your best assurance against accidents is a careful and responsible operator. If there is any portion of this
manual or function you do not understand, contact your local authorized dealer or manufacturer.
• Goodmaintenanceisyourresponsibility.Poormaintenanceisaninvitationtotrouble.
• Makesurethereisplentyofventilation.Neveroperateengineoftowingvehicleinaclosed  
building. Exhaust fumes may cause asphyxiation.
• Beforeworkingonthismachine,stoptowingvehicle,setbrakes,disengagePTOandall
power drives, shut off engine and remove ignition key.
• Becertainallmovingpartsandattachmentshavecometoacompletestopbefore
attempting to perform maintenance.
• Always use a safety support and block wheels. Never use a jack to support machine.
• Alwaysusepropertoolsorequipmentforjobathand.
• Useextremecautionwhenmakingadjustments.
• Followtorquechartonpage10inthismanualwhentighteningboltsandnuts.
• Neveruseyourhandstolocateahydraulicleakonattachments.Useasmallpieceof
cardboard or wood. Hydraulic fluid escaping under pressure can penetrate skin.
• Openingsinskinandminorcutsaresusceptibletoinfectionfromhydraulicuid.
Without immediate medical treatment, serious infection and reactions can occur.
• Whendisconnectinghydrauliclines,shutoffhydraulicsupplyandrelieveallhydraulic   
pressure.
• Replaceall shields and guards after servicing and before moving.
• Afterservicing,besurealltools,partsandserviceequipmentareremoved.
• Donotallowgreaseoroiltobuilduponanysteporplatform.
• Whenreplacingboltsrefertoownersmanual.
• RefertobolttorqueBOLT TORQUE SPECIFICATIONS for head identification marking.
• Watchforobstructionsoverheadandsidetosidewhiletransporting.
• Alwaysoperateequipmentinapositiontoprovidemaximumvisibilityatalltimes.Makeallowancesfor
increased length and weight of sprayer when making turns, stopping, etc.
REMEMBER
PERFORMING MAINTENANCE
SAFETY

Page 10 AC20047
• Replaceall shields and guards after servicing and before moving.
• Afterservicing,besurealltools,partsandserviceequipmentareremoved.
• Donotallowgreaseoroiltobuilduponanysteporplatform.
• Neverreplacehexboltswithlessthangradeveboltsunlessotherwisespecied.
• Refertobolttorquechartforheadidenticationmarking.
• Wherereplacementpartsarenecessaryforperiodicmaintenanceandservicing,genuinefactoryreplace-
ment parts must be used to restore your equipment to original specifications. The Manufacturer will not claim
responsibility for use of unapproved parts and/or accessories and other damages as a result of their use.
• Ifequipmenthasbeenalteredinanywayfromoriginaldesign,themanufacturerdoesnotacceptanyli-
ability for injury or warranty.
• Areextinguisherandrstaidkitshouldbekeptreadilyaccessiblewhileperforming  
maintenance on this equipment
Torque figures indicated are valid for non-greased or non-oiled threads and heads unless otherwise specified. Therefore, do not grease or oil
bolts or capscrews unless otherwise specified in this manual. When using locking elements, increase torque values by 5%.
* GRADE or CLASS value for bolts and capscrews are identified by their head markings.
BOLT TORQUE DATA FOR STANDARD NUTS, BOLTS, AND CAPSCREWS.
Tighten all bolts to torques specified in chart unless otherwise noted. Check tightness of bolts periodically, using bolt chart as guide.
Replace hardware with same grade bolt.
NOTE: Unless otherwise specified, high-strength Grade 5 hex bolts are used throughout assembly of equipment.
TORQUE SPECIFICATION
*5$'( &/$66 &/$66
*5$'( *5$'(
&/$66
   $
Bolt Torque for Standard bolts *
“A” GRADE 2 GRADE 5 GRADE 8
lb-ft (N.m) lb-ft (N.m) lb-ft (N.m)
1/4” 6 (8) 9 (12) 12 (16)
5/16” 10 (13) 18 (25) 25 (35)
3/8” 20 (27) 30 (40) 45 (60)
7/16” 30 (40) 50 (70) 80 (110)
1/2” 45 (60) 75 (100) 115 (155)
9/16” 70 (95) 115 (155) 165 (220)
5/8” 95 (130) 150 (200) 225 (300)
3/4” 165 (225) 290 (390) 400 (540)
7/8” 170 (230) 420 (570) 650 (880)
1” 225 (300) 630 (850) 970 (1310)
Bolt Torque for Metric bolts *
“A” CLASS 8.8 CLASS 9.8 CLASS 10.9
lb-ft (N.m) lb-ft (N.m) lb-ft (N.m)
6 9 (13) 10 (14) 13 (17)
7 15 (21) 18 (24) 21 (29)
8 23 (31) 25 (34) 31 (42)
10 45 (61) 50 (68) 61 (83)
12 78 (106) 88 (118) 106 (144)
14 125 (169) 140 (189) 170 (230)
16 194 (263) 216 (293) 263 (357)
18 268 (363) -- -- 364 (493)
20 378 (513) -- -- 515 (689)
22 516 (699) -- -- 702 (952)
24 654 (886) -- -- 890 (1206)
SAFETY