Demco 55 GALLON SKID MOUNT LAWN AND GARDEN SPRAYER Operator's Manual

DOING OUR BEST TO PROVIDE YOU THE BEST

55 GALLON SKID MOUNT

LAWN AND GARDEN SPRAYER

OPERATORS MANUAL

12-04

AS20008, Rev 3

ASSEMBLY
CALIBRATION
OPERATION
REPLACEMENT PARTS

DEMCO  Dethmers Mfg. Co.  4010 320th St.  P.O. Box 189  Boyden, IA 51234

PH: [phone]  Toll Free: 1-800-543-3626  FAX: [phone]

READ complete manual CAREFULLY

BEFORE attempting operation.

www.demco-products.com

Page 1

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 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.

W ARNING: TO AVOID PERSONAL INJURY OR PROPERTY DAMAGE, OBSERVE

FOLLOWING INSTRUCTIONS:

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 sprayer.

Be sure to dispose of all unused chemicals or solutions in a proper and
ecologically sound manner.

GENERAL INFORMATION

1. Unless otherwise specified, high-strength (grade5)
(3 radial-line head markings) hex head bolts are
used throughout assembly of this sprayer.

3. When placing a parts order, refer to this manual for
proper part numbers and place order by PART NO.

and DESCRIPTION.

2. Whenever terms "LEFT" and "RIGHT" are used in
this manual it means from a position behind the
sprayer and facing forward.

General information.............................................................................................................2

Warranty Registration........................................................................................................ 3-4

Safety , Signal Words...........................................................................................................5

Equipment Safety Guidelines..............................................................................................6

Lighting and Marking ...........................................................................................................6

Safety Sign Locations......................................................................................................... 7

Safety Sign Care ................................................................................................................8

Before Operation............................................................................................................... 8-9

During Operation .................................................................................................................9

Following Operation ...........................................................................................................10

Highway and Transport Operations.....................................................................................10

Performing Maintenance ....................................................................................................11

Bolt T orque ......................................................................................................................... 12

Frame Assembly Parts Breakdown and List....................................................................... 13

Gas Engine/Roller Pump Plumbing Parts Breakdown (w/ 12 Boom) ..................................14

Gas Engine/Roller Pump Plumbing Parts List and Operating Instructions (w/ 12 Boom).... 15

Gas Engine/Roller Pump Plumbing Parts Breakdown (w/ Truss T Boom)............................16

Gas Engine/Roller Pump Plumbing Parts List and Operating Instructions (w/ Truss-T).......17

Diaphragm Pump Plumbing Parts Breakdown ....................................................................18

Diaphragm Pump Parts List, Operation and Maintenance Instructions ...............................19

Electric Pump Plumbing Parts Breakdown and Parts List ..................................................20

12 Boom (DB12) Assembly Parts Breakdown and List......................................................21

Truss T Boom Mounting Assembly Parts Breakdown and List............................................ 22

Spray Wand (30L22425 18) Parts Breakdown and List ....................................................... 23

Roller Pump (C4101) Parts Breakdown and List................................................................. 23

Electric Pump (8000 543 150) Parts Breakdown and List ................................................... 23

Optional Electric Pump (2088 343 135) Parts Breakdown and List .....................................23

Optional Electric Pump (10983) Parts Breakdown and List................................................. 24

Diaphragm Pump (D19GR) Parts Breakdown and List........................................................25

By-Pass V alve (8460) Parts Breakdown and List................................................................26

Direct-o-valve (6B1) Parts Breakdown and List ..................................................................26

T ee V alve (AA171) Parts Breakdown and List.....................................................................26

Sprayer Checklist .............................................................................................................. 27

Table of Contents

Page 2

Ag ❍

Warranty Registration

RV ❍
Rental ❍

Dethmers Manufacturing Company
4010 320th Street • Box 189 • Boyden, Iowa 51234
Toll Free 800-54DEMCO (800-543-3626) • FAX [phone]
www.demco-products.com

Very

Satisfied

Satisfied

Dissatisfied

How satisfied are you with our product? ❍❍❍❍

How satisfied are you with the dealership/distributor sales staff? ❍❍❍❍
Dealer/Distributor Name

City State

How satisfied are you with the company sales staff? ❍❍❍❍

How satisfied are you with the delivery? ❍❍❍❍

Did you have any contact with a Demco Representative? YES NO
If YES, how satisfied were you? ❍❍❍❍

I would recommend this product to my family and friends. YES NO

Brakes ❍
Marine ❍

Very

Dissatisfied

Would you purchase again from DEMCO? YES NO

Since taking delivery, have you been contacted by the dealer? YES NO

Did you have any problems with this DEMCO product? YES NO
If YES, are you satisfied with the company’s resolution of your problem? ❍❍❍❍

Why did you purchase this product?

Please list the specific source of information prompting this purchase.

After purchasing this product, do you see any needed product improvement? If yes, what improvement?

What other products would you like to see DEMCO offer?

Comments

Owner’s Name: Mailing Address:

City: State: Zip Code:

Model#:

Serial #:

Purchase Date:

Owner’s Signature:

Please return to DETHMERS MFG. CO. By FAX or tri-folding this form to the backside, it is pre-addressed.

Page 3

Dethmers Manufacturing Company
4010 320th Street, Box 189
Boyden, Iowa 51234

Postage

Page 4

SAFETY

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!

SIGNAL WORDS

Note use of the following signal words DANGER,
WARNING, and CAUTION with safety messages.

Appropriate signal word for each has been selected
using the following guidelines:

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 the 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 ,
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 Dethmers Mfg. Co., P.O. Box 189, 4010 320th Street, Boyden, IA 51234
ph: (712) 725-231 1 or [phone] Toll Free: 1-800-543-3626 Fax: [phone]

http://www.demco-products.com

Page 5

SAFETY...YOU CAN LIVE WITH IT

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 indicated in this booklet.

Do not attempt to operate this sprayer under the influence of alcohol or drugs.
Review safety instructions with all users.

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.

T o 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 transporting at night or during periods of limited visibility.

Page 6

SAFETY SIGN LOCATIONS

Types of safety sign and locations on equipment are shown in the illustration below. Good
safety requires that you familiarize yourself with various safety signs, type of warning, and
area or particular function related to that area, that requires your SAFETY AWARENESS.

WARNING

To prevent serious injury or death

ï Refer to chemical supplier and manufacturer recommendations as well as all

This decal is located near the sprayer
lid. Replacement part # is AB21014.

licensing restrictions or regulations.

ï Always wear recommended protective clothing when working with chemicals or

sprayer.

ï Be sure to dispose of all unused chemicals or solutions in proper and ecologically

sound manner. Improper use can injure people, animals, plants and soil.

04/99 AB21014

Page 7

SAFETY SIGN CARE

 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 specified 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.

BEFORE OPERATION:

 Carefully study and understand this manual.
 Do not wear loose-fitting 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 specific 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.

Page 8

 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.

DURING OPERATION

 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 fields. 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.

Page 9