Lemmer DC-3000, DC-4000 Owner's Manual
DC-3000, DC-4000
OWNER'S MANUAL
DC-3000
DC-4000
stand
DC-4000
cart
WARNING..Read all instructions carefully before assembling components and operating sprayer. Incorrect procedure
could result in damage to the unit, severe personal injury and/or property damage. When spraying flammable materials,
sprayer must be placed at least 20 feet from target in a well-ventilated area. Vapours can be ignited by static discharge or
electrical sparks and result in severe personal injury. LEMMER airless sprayers generate high fluid pressure. Improper
use could result in an injection injury.
VANCOUVER • KELOWNA • CALGARY • EDMONTON • WINNIPEG • TORONTO • MONTRÉAL
1
TABLE OF CONTENTS
SAFETY PRECAUTIONS ...................................................................... 3 & 4
TECHNICAL SPECIFICATIONS ...................................................................5
PUMP COMPONENTS .................................................................................6
SETTING UP OF UNIT .................................................................................7
ELECTRONIC CONTROLS ..........................................................................7
TIP SELECTION & MAINTENANCE...................................................... 8 & 9
HOW TO SELECT TIP SIZE AND PROPER FILTER .................................10
STARTUP PROCEDURE:
UNIT PRIMING AND FLUSHING ..................................................11
PRIMING UNIT IN PAINT ..............................................................11
TO TURN UNIT OFF .....................................................................11
HINTS FOR AIRLESS SPRAYING:
PAINTING AND TIP SELECTION .................................................12
SPRAY PAINTING METHOD ........................................................12
HELPFUL HINTS FOR TROUBLE FREE PAINTING:
SPRAYER......................................................................................12
PAINT ............................................................................................12
SPRAY TIPS..................................................................................12
FILTERS........................................................................................12
PAINT HOSE .................................................................................12
ELECTRICAL ................................................................................13
EXTENSION CORD ......................................................................13
CLEANING INSTRUCTIONS............................................................. 14 & 15
MAINTENANCE & SERVICE.............................................................. 16 - 20
TROUBLESHOOTING ................................................................................21
OTHER QUALITY LEMMER PRODUCTS..................................................22
ACCESSORIES FOR LEMMER AIRLESS EQUIPMENT...........................23
L-65 PARTS ....................................................................................... 24 & 25
DC-3000 PARTS................................................................................ 26 & 27
DC-4000 PARTS................................................................................ 28 & 29
DC-7000 PARTS................................................................................ 30 & 31
DISTRIBUTION CENTRES ACROSS CANADA.........................................32
LEMMER WARRANTY ...............................................................................32
2
SAFETY PRECAUTIONS
WARNING
1) Injection hazard: Airless Painting Equipment can
cause serious injury if the spray penetrates the
skin. Do not point the gun at anyone or any part of
the body. The tip guard provides some protection
against accidental injection injuries, but is mostly a
warning device. Never put your hand, fingers or
body over the spray tip. Gloves and clothing do not
necessarily offer any protection either. Keep the
gun trigger safety lever in locked postion when not
spraying. Always have the tip guard in place while
spraying.
In case of penetration seek medical aid immediately!
Note to physician: Injection into skin is a serious
traumatic injury. It is important to treat the injury
surgically as soon as possible. Do not delay treatment to research toxicity. Toxicity is a concern with
some exotic coatings injected into the bloodstream.
Consultation with a plastic surgeon or reconstructive
hand surgeon may be advisable. Be prepared to tell
the doctor what fluid was injected.
2) This system is capable of producing 3200 PSI. To
avoid rupture and injury, do not operate this pump with
components rated less than 3200 PSI working pressure
(including but not limited to spray guns, hose and hose
connections).
3) Do not spray paints or other inflammable fluids
indoors which have a flash point below 21 degree C, 70
degree F. Keep spray area well ventilated. Before
spraying, turn off all pilot lights and open flames.
4) Wear a respirator which is approved for the product
being sprayed.
5) Do not use halogenated hydrocarbon solvents in this
system; it contains aluminium parts and may explode.
Cleaning agents, coatings, paints, and adhesives may
contain halogenated hydrocarbon solvents. Don't take
chances, consult your material supplier to be sure. (ex:
methylene chloride and 1,1,1 - Trichlorethane)
6) Caution: When a flammable liquid is sprayed there may
be danger of fire or explosion especially in a closed
area.
7) Caution: Arcing parts. Keep the pump at least 20 feet
away from explosive vapors.
8) Caution: Static electricity can be developed by airless
spraying. Ground unit and object to be sprayed. On
electric units, unit power cord must be connected to a
grounded outlet. Use only three wire extension cords.
Static explosion can occur with ungrounded unit.
9) Flush system with spray tip removed. Always use
lowest pressure possible.
10) Always follow safety precautions and warnings printed
on paint container.
11) Only use spray guns and hoses supplied by Lemmer.
User assumes all risk and liability when using spray guns
or hoses not complying with minimum specification and
safety devices of Lemmer Spray Systems Ltd.
12) Inspect hoses before each use. Never use a damaged
hose. High pressure in hoses with wear, leaks or splits
may cause the hose to rupture and cause serious
personal injury. Never try to stop or deflect leaks with any
part of your body.
13) Use extreme caution when cleaning spray tip guard.
DO NOT try to wipe off build up around the spray tip
before following shut down procedure. Follow the Shut
down Procedure, then follow the spray tip manufacturer’s
instructions for removing and cleaning the spray tip.
14) Never attempt to change spray tip or leave the unit
unattended without first shutting off pump, releasing fluid
pressure, and locking the trigger safety lock.
15) Use extreme caution when changing spray tip. Follow
the Shut down Procedure, then follow the spray tip
manufacturer’s instructions for changing the spray tip.
HIGH PRESSURE!
INJECTION HAZARD!
Toujours avoir la garde en place pour peindre.
En cas d’accident, demander immédiatement des soins médicaux.
Note au médicin: La pénétration de peinture dans la peau peut causer
de graves blessures. Il est important de traîter la blessure à la
chirurgie aussitôt possible. Ne pas retarder le traitement pour
rechercher la toxicité. La toxicité peut avoir de graves conséquences
quand certains enduits exotiques son injectés directement dans le
systéme sanguin. Une consultation avec un chirurgien spécialisant en
reconstruction de mains serait conseillable. Soyez prêts à décrire au
médecin quel liquide a été injecté.
2) Ce matériel peut produire une pression de 3200 lbf/po2. Afin d’éviter
des ruptures et des blessures, ne pas utiliser cette pompe avec des
éléments dont la pression nominale de service est inférieure à 3200 lbf/po2
(y compris les pulvérisateurs, tuyaux flexibles et raccords).
3) Ne jamais pulvériser à l’interieur un produit inflammable qui a un point
éclair inférieur à 21 degrés C,70 degrés F. L’endroit où vous peinturez doit
toujours être bien aéré. Avant de pulvériser s’assurer qu’il n’y a aucune
flamme ou pilot (veilleuse) de fournaise en marche dans l’appartement.
4) Servez-vous d’un masque respiratoire qui est certifié pour le produit que
vous pulvérisez.
5) Ne pas utiliser de solvants contenant des hydrocarbures halogénés
avec ce matériel. Il contient des particules d'aluminium et peut exploser. Les
agents de nettoyage, enduits, peintures et, adhésifs, peuvent contenir des
solvants contenant des hydrocarbures halogénés. Soyez prudents;
consultez votre fournisseur pour les informations nécessaires. (ex:
méthylène chloride and 1,1,1 - Trichloréthane)
6) Attention: La pulvérisaton d'un liquide inflammable peut entraîner un
risque d'incendie ou d'explosion, surtout dans les espaces fermés.
7) Attention: Étincelles électriques. Ne pas placer la pompe à moins de 6
mètres des vapeurs explosives.
8) Attention: La pression du produit que l’on pulvérise peut produire une
charge électrostatique. Mettre le matériel et l'objet à pulvériser à la terre.
Sur les modèles électriques, le cordon électrique doit être attaché à une
prise de courrant reliée à terre. Le cordon de rallonge doit être à 3 fils. Des
décharges d'électricité statique peuvent se produire si le matériel n'est pas
mis à la terre.
9) Retirer l'embout de pulvérisation avant de rincer le matériel tout en
utilisant une pression aussi basse que possible.
10) Toujours prendre les précautions nécessaires et observer toutes les
consignes de sécurité figurant sur le pot de peinture.
11) N'utiliser que les pulvérisateurs et les tuyaux flexibles fournis par
Lemmer. Les personnes qui utilisent des pulvérisateurs et des tuyaux
flexibles non conformes aux standards d'utilisation et de sécurité minimum
du fabricant de la pompe le font à leurs propres risques et seront les seuls
responsables.
12) Examiner soigneusement le tuyau avant de s'en servir. Il ne faut jamais
utiliser un tuyau endommagé ou avec des fentes. Un tuyau à haute pression
qui n'est pas en bon état représente un serieux danger de blessure à la
personne en cas de crevaison soudaine. Il ne faut jamais essayer d'arrêter
des fuites de liquide avec n'importe quelle partie de votre corps.
13) Il est nécessaire d'exercer beaucoup de précaution pendant le
nettoyage de la protection de la buse. Ne jamais essayer d'enlever la
peinture qui aurait pu s'accumuler sur la buse avant d'avoir suivi les
consignes de sécurité concernant le nettoyage et le remplacement de la
buse.
14) Ne jamais essayer de changer la buse ou laisser l'appareil sans surveillance
avant d'arrêter le moteur, couper la pression et verrouiller la gâchette du
pistolet.
15) Le remplacement d'une buse doit être fait avec beaucoup de
précaution. Référez-vous au PROCÉDÉ D'ENTRETIEN.
1) Risque d’injection de peinture: Le matériel de
pulvérisation sans air peut entraîner de graves blessures
s’il y a pénétration de la peau par la peinture. Ne jamais
pointer le pistolet vers une personne ou vers soi-même.
La garde de la buse limite le risque de blessures
accidentelles par injection mais constitue principalement
un élément de mise-en-garde. Ne jamais mettre la main,
les doigts ou toutes parties du corps contre la buse. Le
port de gants et de vêtements n'est pas nécessairement
une forme de protection non plus.Laisser le cran de sureté
du pistolet en position fermée quand il nést pas utilisé.
ATTENTION
3
SAFETY PRECAUTIONS
16) Do not pull on hoses to move equipment, DO NOT kink or bend
the hose sharply.
17) Keep children or anyone not familiar with airless spray
systems away from equipment and work area.
18) Conductive metal containers must be used when
flushing flammable fluids through the system. Always
flush at low pressure with spray tip removed. A metal part
of the spray gun must be held firmly against the grounded
metal pail when flushing or relieving pressure from the
gun.
19) Trigger guard helps reduce the risk of accidentally
triggering the gun if dropped or bumped. Do not use a spray gun
without a trigger guard.
16) Il ne faut jamais essayer de déplacer l'appareil en tirant sur le
tuyau. Il faut aussi éviter tout tortillement du tuyau.
17) Les enfants et le personnes n'ayant aucune
expérience avec ce genre de pulvérisateur doivent êtres
gardés à l'écart de l'appareil et du chantier de travail.
18) Quand on décharge des liquides inflammables il
faut utiliser des pots conducteurs en métal. Quand on
relâche la pression avec le pistolet, une partie métallique
du pistolet doit être en contact avec le pot en métal muni
de mise à la terre.
19) La protection de la gâchette réduit le risque
d'activement involontaire si on laisse tomber le pistolet ou s'il est
frappé par accident. Ne jamais utiliser le pistolet sans la
protection de gâchette.
20) Shut Down Procedure
Always follow Shut Down Procedure before starting any
troubleshooting, servicing or cleaning.
1) Engage the trigger safety lock in the locked position. Test the
trigger safety lock to ensure the lock is working properly.
2) Turn the On/Off switch to the Off position.
3) Unplug the electrical cord on the sprayer.
4) Open the prime valve to relieve pressure. Leave open until
ready to spray or test or clean.
5) Remove the spray tip.
6) Disengage the trigger safety lock.
7) Trigger the gun into a metal pail to relieve any remaining
pressure. A metal part of the spray gun should be held firmly
against the grounded metal pail when relieving the pressure from
the gun. (A grounded metal pail is not required for non-flammables
such as latex.)
8) Reset the trigger safety lock to locked position.
Warning
This unit is provided with a thermally protected Reset. If an
overload occurs, the thermally protected automatic reset disconnects the motor from the power supply.
• Always disconnect motor from power supply before working on
equipment.
• When thermally protected reset disconnects the motor from the
power supply, relieve pressure by turning priming valve to “prime”.
• Turn ON-OFF switch to OFF.
Caution: The cause of the overload should be corrected before
restarting.
Important: Read and understand these special safety precautions
before operating the unit.
20) Procédé à suivre avant tout travail d'entretien ou de
nettoyage.
1) Bloquer la gâchette avec le levier de verrouillage.
2) Placer l'interrupteur MARCHE-ARRÊT en position ARRÊT.
3) Débrancher le cordon électrique.
4) Ouvrir la vanne de mise à l'air libre pour relâcher la pression.
Gardez-la ouverte jusqu'au moment où vous êtes prêts à utiliser
l'appareil.
5) Enlever la buse.
6) Débloquer le levier de verrouillage de la gâchette.
7) Relâcher le reste de la pression en déchargeant avec le
pistolet dans un pot en métal. Quand on relâche la pression, une
partie métallique du pistolet doit être en contact avec le pot en
métal muni de mise à la terre. (Il n'est pas nécessaire d'utiliser un
pot avec mise à la terre pour des produits non inflammables,
comme par exemple le latex).
8) Ramener le levier de verrouillage en position bloquée.
Avertissement
Cet appariel est équipé d'un disjoncteur à Protection thermique.
En cas de surcharge, le disjoncteur automatique coupe le moteur
de la source d'alimentation.
• Toujours déconnecter le moteur de la source d’alimentation avant de
travailler sur l’appareil.
• Lorsque le disjoncteur coupe le moteur de la source d’alimentation
relâcher la pression en plaçant le clapet d’amorçage en position
“amorçage”.
• Placer l’interrupteur MARCHE-ARRÊT en position ARRÊT.
Attention: La cause de la surcharge doit être eliminée avant de
remettre le moteur en marche.
Electrical requirements
If an extension cord is used, make sure it is a 3 conductor type (has
grounding wire) and is CSA approved.Also make sure that its wire size
(AWG) is thick enough to carry the amperage your machine requires.
The chart below will show the minimum recommended AWG for specific
lengths. See next page for pump specifications.
Remember; keep the motor clean and dry. Paint acts as an insulator
and will cause overheating and/or motor damage.
Do not remove or bend grounding pin under any circumstances, it is
essential for safe operation.
Données électriques.
Si l'on utilise un cordon de rallonge, veillez à ce qu'il soit à 3 fils (avec
mise à la terre) et avec certification CSA. Le calibre des fils doit être
suffisant pour l'ampérage qui est nécessaire pour que l'appareil
fonctionne. Voir le tableau ci-dessous indiquant les calibres minimuns
requis selon les différentes longueurs de la rallonge.
Il est important de garder le moteur propre et à l'abri de l'humidité.
L'isolation créée par la peinture sèche pourrait le surchauffer et
l'endommager.
Ne jamais enlever la broche de la mise à la terre car elle est essentielle
pour la slûreté du travail.
Cord Motor Amperage Rating
Length 0-5 67891011121314151617181920
25 ft 16 16 16 16 16 16 14 14 14 12 12 12 12 12 12 12
50 ft 16 16 16 16 16 16 14 14 14 12 12 12 12 12 12 12
75 ft 16 16 16 16 16 16 14 14 14 12 12 12 12 12 12 12
100 ft 16 16 16 14 14 14 14 14 12 12 12 12 12 12 12 12
125 ft 16 16 14 14 14 12 12 12 12 12 12 12 12 12 12 12
150 ft 16 14 14 14 12 12 12 12 12 12 12 12 12 12 12 12
Minimum recommended AWG
4
PRODUCT SPECIFICATIONS
INTRODUCTION:
We appreciate your decision to purchase a Lemmer high
quality professional paint spraying system and believe
you will find it to be the best sprayer you ever owned.
Your Lemmer airless paint machine is capable of spraying a wide variety of latex, oil-based and alkyd paints, as
well as stains, preservatives and other architectural
coatings. The material you are spraying will have a direct
effect on the amount of pressure required for the optimum
pattern and coverage to be obtained. We recommend
that before actually beginning your job, you carefully read
this manual and practice with the sprayer until you feel
comfortable using it.
The Lemmer DC-3000 & DC-4000 sprayers are powerful
and versatile enough to be used with a variety of accessories (extra lenghts of hose, extensions, pressure feed
rollers, etc. as shown on page 23) to make them even
more versatile systems. Ask your supplier about the
recommended accessories for your particular job.
PUMP TYPE:
The DC-3000 & DC-4000 units use a double acting piston
pump, with stationary packings and the DC-4000 has a
hard chromed piston. This gives good service life and is a
simple to maintain system. The valves are stainless steel
balls with tungsten carbide seats, giving very good
reliability.
Industrial grade DC motors are used in conjunction with
reliable pressure control sytems.
The DC-4000 uses an innovative electronic control which
varies the speed of the pump in accordance with your
need for pressure and material flow, with a minimum of
fluctuation in spray. This system allows tips as small as
.009" to be used for lacquer, yet perform well with large
tips in heavy bodied products.
ADVANTAGES OF THESE SYSTEMS ARE:
•Pump stops working when you do. Minimizes wear.
•Motor operates only as fast as the job requires again
reducing wear (DC-4000 only).
•Accurate spray pattern with minimal overspray.
•Minimal or no thinning of paint products.
•Pumps straight out of original paint container.
•Variable pressure from 0 to 3000 PSI.
•Various nozzles are available for slow to fast spraying.
•Light weight, compact and portable.
•Quiet running and low power consumption.
•Steady spraying pressure - no fan fluctuations.
•Compact paint pump - quick cleaning, less parts to wear.
IMPORTANT NOTICES:
Due to the nature of operation of this unit, even though the motor cuts off, or appears to have cut off, it may restart at any time. Even once the switch has been turned off, there will likely be pressure remaining in the
system. Do not service the unit unless it has been turned off, unplugged and the pressure has been relieved.
Pressure is relieved by turning the prime knob counter clockwise and double checking by triggering the gun.
DO NOT USE STEEL BRAID paint spray hose! The DC-3000 & DC-4000 can only be used with fibre braid hose.
TECHNICAL SPECIFICATIONS
DC-3000 DC-4000
Weight: 31 lbs (14 kg) 77 lbs (35 kg)
Capacity, volume @ 2000 psi: .47 gpm .57 gpm
Maximum tip size, 1 gun: .021 (.019 installed) .025 (.023 installed)
Maximum tip size, 2 gun: .015 (.013 installed) .017 (.015 installed)
Motor: 3/4 hp dc industrial 3/4 hp dc industrial
Power requirements, 110V: 6.5A,115VAC,60HZ 12A,115VAC,60HZ (North America)
220V: 6A,220VAC,50HZ (Europe)
Spraying pressure: 0 - 3000 psi 0 - 3000 psi
Maximum hose length: 300 feet (91meters) 300 feet (91meters)
Maximum power cord: 300 feet (14-16 guage) 300 feet (12-14 guage)
Paint inlet: metric 1/2" npt(f)
Paint outlet: 1/4" npt(m) 1/4" npt(m)
Gear oil capacity: 200 ml. EP 90w
Wetted parts: Al,Cu,SS,Tc,Tef,Lea,Brass,Nylon Al,Cu,SS,Tc,Tef,Lea,Brass,Nylon,Chrome,Zinc
Capability: All conventional coatings, ie: latex, stain, lacquer, varnish, ink, primer, preservatives and many other
architectural coatings with the DC-4000 such as block fillers and some elastomerics and glues.
5
PUMP COMPONENTS
SPRAY GUN:
The spray gun is designed
specifically for airless spraying.
Since there is no compressed air
to atomize the paint, atomization
is accomplished by forcing the
paint at a very high pressure
(3200 psi) through a very small
hole (.017" diameter). Because
of this high pressure, the spray tip
and gun valve are made of
tungsten carbide for maximum
wear resistance. The gun body is
made of forged alloy and anodized for chemical resistance.
As a safety feature, the spray gun
can be locked with the trigger
safety lever when you are not
spraying. Be sure to read all
warnings concerning the high
pressures of airless spraying on
page 3 & 4.
PISTON PUMP (DC-3000 & DC-4000):
Uses two sets of packings and two check valves in
conjunction with an abrasion resistant piston. This forms
a double acting pump; ie pumps on both up and down
stroke. Both sets of packings are stationary, eliminating
costly cylinder wear.
CENTRAL BODY (DC-4000):
Is a meeting point of pump and speed reducer. Helps
turn rotating motion of motor and reduce into an even up
and down motion to drive pump.
Important
To engage trigger
safety lock, turn
lever tab to horizon-
tal position. Test
regularily for proper
functioning while
system is shut
down.
locked
unlocked
For models
L45 & L-50
(trigger shown in horizontal
locked position)
PRESSURE CONTROL BOX (DC-3000):
A rugged membrane transducer transmits a paint pressure signal to an electronic relay which then powers the
motor. This on-off design has a pressure fluctuation of
about 200 psi.
PRESSURE CONTROL BOX (DC-4000):
It balances input from the pressure control box with a
signal from the sensor. On the basis of these two inputs,
and electronic decision is made regarding how much
voltage, if any, is required by the motor to maintain an
even pressure. The more pressure set by operator, or
pressure drop from a large tip, the more voltage is sent to
motor to speed up the pump. When the gun is released,
the pressure rises and the motor is turned off.
The advantages of this system will become most obvious
if you try smaller tips (.011/.013) at lower pressures for
lacquering or other fine work.
A safety circuit is also incorporated which will turn the
pump off if it runs out of paint at spraying pressures.
(above approx. 1000 psi) If the unit drops from spraying
pressure to below approx. 500 psi, for more than 25
seconds continuously the safety will turn the pump off.
This is to reduce the typical packing damage from “dry”
running. At pressures below approx. 1000 psi, the safety
will not engage, making the unit fully compatible with all
types of pressure rollers. It also prevents interference of
the safety with typical cleaning procedures.
suction
system
pressure control
motor
control box
speed reducer
prime valve
paint pump
SPEED REDUCER(DC-3000):
Consists of a two stage gear reduction in permanent
grease for long life. All bearings are alsopermanently
greased. Converts the high speed output of motor into
very high torque to drive pump.
SPEED REDUCER (DC-4000):
Consists of a single stage gear reduction in an oil bath for
long life. All major bearings are also lubricated by this oil.
Converts the high speed output of motor into very high
torque to drive pump.
MOTOR (DC-3000):
Is an industrial grade high speed unit. Its permanent
magnet DC type construction withstands construction site
power fluctuations. The higher rpm of this motor results in
a compact and lightweight design.
MOTOR (DC-4000):
Is an industrial grade high quality unit. Due to the permanent magnet DC type construction, the motor will run at
different speeds, depending on how much voltage it is
sent by pressure control box. This allows for highly
accurate control of pressure.
Motor also features long life brushes, which are readily
accessible from the outside.
speed reducer
pail hook
grease fitting
central body
paint pump
suction pipe
suction screen
6
Figure 1a. - DC-3000 components.
motor
brush cap
prime valve
control box
return hose
Figure 1b. - DC-4000 components.
SETTING UP OF UNIT
TOOLS NEEDED:
2 x 8" or larger crescent wrench
PROCEDURE:
1) Remove all system components from the box for
assembly.
2) Remove protective cap from outlet connection of
pump.
3) Install handle and tool box. (DC-4000 only).
4) Connect high pressure airless paint hose to pump
outlet. Tighten to approximately 20 ft. lbs.
5) Attach the tip assembly to the spray gun.
6) Connect the paint hose to the swivel connection of
the spray gun. Tighten 20 ft lbs. Ensure the gun
handle is securely hand tightened to the gun.
7) Double check all connections, the unit is now ready.
Note: The pump contains a preservative oil when you
receive it, that may drip from the various connections
when the protective caps are removed.
gear oil fill plug
connecting bolt
packing nut
foot valve
pressure
control
"spray"
"prime"
oil drain
paint pump
Figure 3. - DC-4000 system components.
circuit
breaker
on/off
to prime,
turn ccw
WARNING: INJECTION HAZARD POSSIBLE. DO NOT
SPRAY WITHOUT TIP IN PLACE. ALWAYS ENGAGE
TRIGGER LOCK BEFORE REMOVING, REPLACING
OR CLEANING TIP. NEVER TRY TO CLEAN THE TIP
WITH YOUR FINGERS.
To disengage your trigger lock: Your spray gun is
shipped from the factory with the trigger lock in the
engaged position (horizontal on the L-65). To disengage, turn the trigger lock down until it is in a vertical
position. To engage the trigger lock, turn it back to a
horizontal position.
tip.
trigger lock.
tip housing.
trigger guard
for safety. do
not remove!
high pressure
swivel, 1/4"npt.
Figure 2. - L-65 gun components.
gun handle
with filter
inside.
hand tight
only!
"off"
indicator light
Figure 4. - DC-4000 control box components.
ELECTRONIC CONTROLS (DC-4000):
OFF: The first 10-20 degrees of pressure knob rotation
do not activate unit.
PRIME ZONE: The next approx. 20 degrees of rotation
will turn the motor on at a constant slow speed, when the
prime valve is in the open (prime) position. This is the
best speed for priming and cleaning the unit. It also works
well for power rolling. The safety cutout is not activated in
this zone. Maximum pressure in the prime zone is about
1000 psi.
SPRAYING ZONE: As the pressure knob is turned past
the prime zone (with prime valve open) the motor will
suddenly change from a constant low speed to full speed.
When the prime valve is closed, this will give fully adjustable pressure from about 900 psi to approximately 3000
psi.
The safety circuit is activated throughout the spray zone.
Safety turns motor off if the pressure drops from spraying
pressure to less than 500 psi for more than 25 seconds
(continuous). If the pump were to run out of paint, the gun
would have to be held open to ensure that the pressure
drop is enough to activate safety. This is to prevent
accidental triggering of safety with large tips, air bubbles
in paint etc. Indicator light will go off if safety has been
activated. Safety is re-set by turning power OFF for 3-5
seconds.
7
sensor assembly
paint out (hose
connection)
prime
valve
TIP SELECTION
PART NO. ORIFICE AT 1' ANGLE LTR/MIN MARKING
L043-091 .009 2" 10 DEG. 0.26 109
L043-092 .009 4" 20 DEG. 0.26 209
L043-093 .009 6" 30 DEG. 0.26 309
L043-094 .009 8" 40 DEG. 0.26 409
L043-095 .009 10" 50 DEG. 0.26 509
L043-096 .009 12" 60 DEG. 0.26 609
L043-111 .011 2" 10 DEG. 0.40 111
L043-112 .011 4" 20 DEG. 0.40 211
L043-113 .011 6" 30 DEG. 0.40 311
L043-114 .011 8" 40 DEG. 0.40 411
L043-115 .011 10" 50 DEG. 0.40 511
L043-116 .011 12" 60 DEG. 0.40 611
L043-117 .011 14" 70 DEG. 0.40 711
L043-131 .013 2" 10 DEG. 0.60 113
L043-132 .013 4" 20 DEG. 0.60 213
L043-133 .013 6" 30 DEG. 0.60 313
L043-134 .013 8" 40 DEG. 0.60 413
L043-135 .013 10" 50 DEG. 0.60 513
L043-136 .013 12" 60 DEG. 0.60 613
L043-137 .013 14" 70 DEG. 0.60 713
L043-138 .013 16" 80 DEG. 0.60 813
L043-151 .015 2" 10 DEG. 0.80 115
L043-152 .015 4" 20 DEG. 0.80 215
L043-153 .015 6" 30 DEG. 0.80 315
L043-154 .015 8" 40 DEG. 0.80 415
L043-155 .015 10" 50 DEG. 0.80 515
L043-156 .015 12" 60 DEG. 0.80 615
L043-157 .015 14" 70 DEG. 0.80 715
L043-171 .017 2" 10 DEG. 1.0 117
L043-172 .017 4" 20 DEG. 1.0 217
L043-173 .017 6" 30 DEG. 1.0 317
L043-174 .017 8" 40 DEG. 1.0 417
L043-175 .017 10" 50 DEG. 1.0 517
L043-176 .017 12" 60 DEG. 1.0 617
L043-177 .017 14" 70 DEG. 1.0 717
L043-178 .017 16" 80 DEG. 1.0 817
L043-192 .019 4" 20 DEG. 1.3 219
L043-193 .019 6" 30 DEG. 1.3 319
L043-194 .019 8" 40 DEG. 1.3 419
L043-195 .019 10" 50 DEG. 1.3 519
L043-196 .019 12" 60 DEG. 1.3 619
L043-197 .019 14" 70 DEG. 1.3 719
L043-198 .019 16" 80 DEG. 1.3 819
L043-213 .021 6" 30 DEG. 1.6 321
L043-214 .021 8" 40 DEG. 1.6 421
L043-215 .021 10" 50 DEG. 1.6 521
L043-216 .021 12" 60 DEG. 1.6 621
L043-217 .021 14" 70 DEG. 1.6 721
L043-218 .021 16" 80 DEG. 1.6 821
L043-219 .021 18" 90 DEG. 1.6 921
L043-234 .023 8" 40 DEG. 1.9 423
L043-235 .023 10" 50 DEG. 1.9 523
L043-236 .023 12" 60 DEG. 1.9 623
L043-237 .023 14" 70 DEG. 1.9 723
L043-238 .023 16" 80 DEG. 1.9 823
L043-239 .023 18" 90 DEG. 1.9 923
L043-254 .025 8" 40 DEG. 2.3 425
L043-255 .025 10" 50 DEG. 2.3 525
L043-256 .025 12" 60 DEG. 2.3 625
L043-257 .025 14" 70 DEG. 2.3 725
L043-258 .025 16" 80 DEG. 2.3 825
L043-259 .025 18" 90 DEG. 2.3 925
L043-274 .027 8" 40 DEG. 2.7 427
L043-275 .027 10" 50 DEG. 2.7 527
L043-276 .027 12" 60 DEG. 2.7 627
L043-277 .027 14" 70 DEG. 2.7 727
L043-278 .027 16" 80 DEG. 2.7 827
L043-279 .027 18" 90 DEG. 2.7 927
L043-294 .029 8" 40 DEG. 3.1 429
L043-295 .029 10" 50 DEG. 3.1 529
L043-296 .029 12" 60 DEG. 3.1 629
L043-297 .029 14" 70 DEG. 3.1 729
L043-298 .029 16" 80 DEG. 3.1 829
L043-299 .029 18" 90 DEG. 3.1 929
L043-313 .031 6" 30 DEG. 3.5 331
L043-314 .031 8" 40 DEG. 3.5 431
L043-315 .031 10" 50 DEG. 3.5 531
L043-316 .031 12" 60 DEG. 3.5 631
L043-317 .031 14" 70 DEG. 3.5 731
L043-318 .031 16" 80 DEG. 3.5 831
FAN FAN FLOW TIP
TIP SELECTION:
A standard size .017 tip will give good performance in
latex or oil base materials of moderate viscosities.
The following chart gives a basic idea of what tips the
Lemmer sprayers can handle performance wise and what
tip is appropriate for which material. Gun filter sizing is
also included in the chart for handy reference.
For a much more detailed look at tip sizes, please consult
the detailed tip chart on page 10.
Tip size Paint type Filter size
.011 Lacquers, industrial enamel, red
very thin paints.
.013 Oil stains, pigmented lacquers, yellow
red oxide primer.
.015 Normal application of latex, oil base, yellow
stains and , solid color oil stains.
.017 Fast application of latex paints white
and stains, oil base paints.
.019 Heavier body latex paints. white
.021 Fast application of heavier latex white
paint, smooth block filter when
properly thinned.
.023 Maximum tip on DC-4000/L-1. not req’d
.027 Maximum tip on L-5,000. not req’d
.033 Maximum tip on L-7,500. not req’d
.043 Maximum tip on L-10,000. not req’d
The maximum tip for a pump is the largest tip that will
deliver a proper pressure for spraying without overworking or overloading. When a tip is used for some period of
time, it can wear beyond the maximum for the pump,
which will cause low pressure and poor spray pattern.
Stains and thick latex products often cause the most rapid
wear of the tip, while clear lacquers and varnishes cause
the least wear. Thus tip life can vary from as little as 50
gallons to as much as 200 or more, depending on the
product being sprayed and the pressure used.
Filters for the gun are picked not because of the type of
paint being used, but to protect a given size of tip. You
pick the tip for the type of paint and job being done and
then choose the filter to protect that tip. The chart on
page 10 gives much more detail about tip and filter
choices.
THE TWO MOST IMPORTANT THINGS TO REMEM-
BER ABOUT TIPS.....
1) Low pressure means longer life, for tips and the
pump. Less overspray too!
2) Worn tips waste paint and overwork the pump,
wearing it out quickly.
8
ZIP TIP INFORMATION
3
2
1
4
Figure 5. - Zip tip
Pos. Part nos. Description
1 L043-001 Zip Tip housing with guard
L043-007 Zip Tip guard (not shown separately)
2 L043-005 Zip Tip seal kit (includes gasket #3)
L043-006 Spring, 3/pkg (not shown separately)
3 L043-008 Nylon gasket
L043-009 Tube of 8x nylon gaskets
4 L043-*** Zip Tip - see chart on opposite page
FEATURES:
Fast Tip Size Changes - no tools required.
Long Seal Life - withstands harsh solvents - won't swell
or leak - replaces in minutes.
Tip Rotates Easily - even under “high pressure” clog-up.
Venturi-Guard - less paint accumulation - helps protect
against accidental injection and prevents tip from slipping
out of position.
Patented Diffuser - safer unclogging in clean-out position.
TO OPERATE:
When tip clogs, turn zip-tip handle 180˚ to "cleanout
position". Trigger gun and line pressure will purge clog.
DO NOT spray or empty the hose in "clean out"
position, this will cause extreme wear and premature
failure. Always remove the tip when cleaning out the
hose.
TO CHANGE ZIP TIPS:
1) Rotate zip-tip 90˚.
2) Remove from housing.
3) Install new zip tip.
4) Rotate 90˚ to spray position.
Figure 7. - Removing tip seal.
TO CHANGE SEAL ASSEMBLY:
1) Relieve line pressure and set gun safety.
2) Remove zip tip housing from gun.
3) Remove zip tip from housing.
4) Insert zip tip cylinder into front of housing and press
seal assembly out of housing.
5) Install zip tip (4) through slot in guard and into body.
6) Insert seal ass'y (2) through gun nut to seat seal
around zip tip cylinder (press firmly to insure seal is
tight against cylinder).
7) Insert tip/gun washer (3) over spring (in gun nut).
Install unit on gun. Tighten gun nut.
IMPORTANT: The seal ass'y (2) is a wear part that
must be replaced periodically. If leaking occurs,
replace the seal ass'y immediately before it damages
the tip (4).
TO CLEAN PLUGGED TIP:
1) Rotate the tip to the “Clean” position.
2) Pull trigger and spray. This should clear the tip of any
blockage.
3) Rotate the tip back to the “Spray” position and continue spraying.
4) If the clogging continues, clean or replace the gun
filter and see the section in this manual on instructions for straining and thinning paint.
Clean Position Spray Position
Figure 6. - Tip unclogging.
CAUTION: DO NOT USE A NEEDLE OR SHARP OBJECT TO CLEAN THE TIP. TUNGSTEN CARBIDE IS
BRITTLE AND CAN BE CHIPPED.
9
HOW TO SELECT TIP SIZE AND PROPER FILTER
(BASIC INFORMATION)
Fan Size (measured at 1 foot)
Coating 2" 4" 6" 8" 10" 12"
Lacquer, varnish, furniture stain 1-09 R 2-09 R 3-09 R 4-11 R 5-11 R 6-11 R
(viscosity of 15 to 35 seconds, similar to vegetable oil)
Industrial enamels, stain, colored lacquer 1-09 R 2-11 R 3-11 R 4-13 R 5-13 R 6-15 Y
(viscosity of 25 to 50 seconds, similar to dish washing liquid)
Shop primer, solid stain, oil base, latex 1-11 R 2-13 Y 3-13 R 4-15 Y 5-15 Y 6-17 W
(viscosity of 40 to 100 seconds, similar to 10-30 motor oil)
Flat oil base, latex 1-13 Y 2-15 W 3-15 Y 4-17 W 5-17 W 6-19 W
(viscosity of 60 to 150 seconds, similar to 50 weight oil)
Thick latex, prepared blockfiller 1-15 W 2-17 W 3-17 W 4-19 W 5-19 W 6-21 *
(viscosity of 150 to 200 seconds, similar to gear oil)
Most block fillers 1-17 W 2-19 W 3-19 W 4-21 * 5-21 * 6-23 *
(viscosity of over 200 seconds, are not measurable with the Lemmer cup)
explanation of tip and filter sizing: eg:4-15 Y
4 = half of fan width (8" @ 1 foot)
15 = orifice size in thousands of an inch (.015)
Y = Yellow 100 mesh filter.
(R = Red 180 mesh)
(Y = Yellow 100 mesh)
(W = White 50 mesh)
(* = *not recommended)
Measure the paint’s viscosity as follows: (note, paints that
are intended to be rolled should be thinned for air or airless
spraying. A general rule of thumb is 5 to 15% for latex and
oils, 30% or more for fine finishes. (consult your paint
supplier for best results).
a) Submerge the Lemmer Viscosity cup in the paint.
b) Lift the cup out of the paint and begin timing.
c) Stop timing when the steady paint stream is first broken.
d) The time recorded is the paint’s viscosity.
Tip volume at various pressures.
i
Results are based on water,
heavier viscosities will produce
ok for L-1500
i
Pump maximum tip size
i
Notes:
Absolute To allow
Pump maximum for tip wear
L-1400 .015 .013
L-1500 .017 .015
DC-3000 .021 .019
k
DC-4000 .025 .023 (2X.015)
k
L-1 VN .025 .023 (2X.015)
Approximate wear values comparing tungsten tips and
paint type. (Paint is in gallons)
New tip size .015 .017 .019 .027
worn to worn to worn to worn to
Tip worn to .017 .019 .021 .029
Lacquer 400 - - Latex 75 150 250 Block filler - - 75 250
Road marking paint 2 20 50 200
less volume. This is especially
noticeable with large tips and
TIP 500 1000 1500 2000
SIZE PSI PSI PSI PSI
.009 .039 .055 .067 .078
.011 .06 .08 .10 .12
.013 .09 .12 .15 .18
.015 .12 .16 .20 .23
.017 .16 .23 .27 .32
.019 .20 .27 .33 .39
.021 .24 .33 .41 .47
.023 .28 .40 .49 .57
.025 .33 .47 .58 .68
.027 .37 .52 .64 .76
.029 .47 .65 .79 .98
.031 .53 .75 .91 1.1
.035 .69 .9 1.0 1.2
.043 1.1 1.5 1.8 2.1
.053 1.5 2.2 2.9 3.4
.057 1.8 2.5 3.1 3.5
.063 2.2 3.1 3.9 4.4
.067 2.5 3.5 4.3 5.0
.073 2.9 4.1 5.1 5.9
.079 3.6 5.1 6.3 7.3
.085 3.9 5.5 6.7 7.8
.089 4.3 6.0 7.4 8.5
.099 5.3 7.5 9.2 10.6
Tip chart example: Latex stain is being
sprayed onto a fence.
The paint is fairly thick
(like a very heavy motor oil) and the L-1500
is the spray machine.
The maximum tip is a
.015 for an L-1500.
Draw a line along the
.015 tips as shown
below. Everything
above the line is
sprayable with the L-
1500. Now just choose
the fan width. For
fences a 6” width will
give a lot of control, so
the intersecting best
choice would be a 315 tip with a yellow gun
filter.
—Gallons per minute—
very heavy coatings.
The two most important things to remember about tips.....
1) Low pressure means longer life, for tips and the pump. Less overspray too!
2) Worn tips waste paint and overwork the pump, causing premature pump wear. The maximum tip for a pump
is the largest tip that will deliver a proper pressure for spraying without overworking or overloading. When a
tip is used for some period of time, it can wear beyond the maximum size recommended for the pump, which
will cause low pressure and poor spray pattern.
• Stains and thick latex products often cause the most rapid wear of the tip, while clear lacquers and varnishes cause the least wear. Thus tip life can vary from as little as 50 gallons to as much as 200 or more,
depending on the product being sprayed and the pressure used.
• Filter screen mesh for the gun or pump are picked not because of the type of paint being used, but to protect
a given size of tip. Pick the tip for the type of paint and job being done and then choose the filter to protect
that tip.
10
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