DROPSA LOCOPUMP Operating instructions

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LOCOPUMP
Pneumatic Grease Pump
Manufacturer DropsA SpA
Product LOCOPUMP
Pneumatic Control Pump
Year 2002
Certification
User and
Maintenance Manual
Warranty information
TABLE OF CONTENTS
1. INTRODUCTION
2. GENERAL DESCRIPTION
3. PRODUCT – MACHINE IDENTIFICATION
4. TECHNICAL CHARACTERISTICS
5. PUMP COMPONENTS
6. UNPACKIGING AND INSTALLING THE PUMP
7. PUMP OPERATION
8. TROUBLESHOOTING
9. MAINTENANCE PROCEDURE
10. DISPOSAL
11. ORDERING INFORMATION
12. DIMENSIONS
13. HANDLING AND TRASPORTATION
14. OPERATING HAZARDS
15. PRECAUTIONS
16. WARRANTY INFORMATION
17. DECLARATION OF COMPLIANCE WITH STANDARDS
18. DROPSA LOCATIONS
C2069IE - WK 37/03
Manual drafted in compliance with EC Directive 98/37,
Annex I, paragraph 1.7.4
http://www.dropsa.com

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1. INTRODUCTION
This manual refers to the LOCOPUMP, a pneumatic pump solution for progressive lubrication systems. You can
find additional copies and newer revisions of this document from our website http://www.dropsa.com.
Alternatively contact one of our sales offices.
Please read this manual carefully, as it contains important information on health and safety issues. A copy of this
manual should remain with the user of the product.
2. GENERAL DESCRIPTION
The Locopump pneumatic control pump uses compressed air to adjust the lubricant delivery during its
operations. Therefore, The Locopump is ideally suited for lubrication equipments installed on machines provided
with compressed air systems.
The pump electric control valve will be 3 ways type (line-cylinder-drain).
Pumping lubricant: mineral grease with no abrasive materials.
Air control pressure: min. 3 bar (44.1 psi) – max. 6 bar (88.2 psi).
Reservoir filling: grease gun with valve UNI 7663 – shape “A” – 1/8” NPT.
Lubricant outlet: G 1/4” bsp.
Compressed air inlet: G 1/8” bsp compression cone seating 6 mm. (0.2 in.) tube.
Cartridge shaped filter positioned at the grease gun inlet.
Electromagnetic level control-switch.
Accessories: see table below, page 3.
3. PRODUCT – MACHINE IDENTIFICATION
The pump identification label is located on the front side of the pump reservoir and contains details of the
operating parameters of the pump including input voltage.
4. TECHNICAL CHARACTERISTICS
TECHNICAL CHARACTERISTICS
Fixed delivery (standard) 2 cm³ (0.12 cu.in.) per stroke
Pump delivery (with regulation kit 3132585) 0,8 ÷ 2 cm³ (0.05 ÷ 0.12 cu.in.) per stroke
Air pressure 3 ÷ 6 bar (44.1 ÷ 88.2 Psi)
Compression ratio 50 : 1
Grease grade at working temperature NLGI 000 ÷2
Working temperature + 5 ÷+ 80 °C (41 ÷176 °F)
Permissible working humidity 90 % max.
Max. commutable 100V DC
Max. commutable current 0.25 A
Minimum level contact Max. commutabile power 8W (NO) – 3W (NC)
Storage temperature - 20 ÷+ 50 °C (-4 ÷122 °F)
Noise < 70 dB(A)
CAUTION: Operate the pump only with the voltage indicated on the product label and within the specific
operating parameters.

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5. PUMP COMPONENTS
All the main pump components are fixed to the mounting bracket.
Oil Reservoir: constructed in transparent plastic and compatible with commercial lubricants.
Pump Assembly: constructed in steel and containing a non-return valve. At the working pressure of 300
bar (4410 Psi), the pump can deliver up to 2 cm³ (0.12 cu.in.) per stroke.
Electric Level Control-Switch: Provides remote low level sensing. The switch can be set to either
operate normally open (N.O.) or normally close (N.C.). Standard configuration is N.C.
6. UNPACKING AND INSTALLING THE PUMP
WARNING: The unit can only be opened and repaired by authorized Dropsa personnel.
6.1 UNPACKING.
Once a suitable location has been found to install the unit remove the pump from the packaging. Check the
pump has not been damaged during transportation or storage. No particular disposal procedures are necessary
as packaging materials are no dangerous for health or environment. However, packaging should be disposed of
in accordance with regulations that may be in force in your area or state.
CODE DESCRIPTION
3044260 Reservoir 2 Kg (4.4 lb.)
3045202 Mounting bracket
3413500 Pump body
1655183 Electric Level Control-Switch
712100 Re-filling filter

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6.2 INSTALLING THE PUMP
Allow sufficient space of at least 100 mm around the pump for ease of maintenance. Install at a suitable level for
refilling the oil reservoir. Do not install the pump neither in aggressive environments such as close to explosive
materials, nor on vibrating shelves. Fix the pump using the two fixing holes and 10 mm screws, and apply flat
washers under the screws. In order to fix the pump correctly, verify the inter axles dimensions (see the pictures
in chapter 12).
6.3 ELECTRICAL WIRING.
Before carrying out any wiring, ensure that the correct power supply is available (see the picture below). Refer to
the identification label on the Pump. In order to avoid dangers of electric shock it is important to remove all
power before installation or maintenance.
Electrical connections must be carried out in accordance with prevailing standards and must guarantee
adequate power and protection to the pump unit.
6.4 HYDRAULIC CONNECTIONS
Hydraulic connectors are placed on the front face of the pump body. The pump outlets are threaded as standard
with 1/4" BSP threads.
6.5 SUPPLY CONNECTION
Use a fitting of 1/8” BSP to connect the pump. Dropsa double cone fitting can be used.
Use an intercepting valve that allows supply interruption.
6.6 SETTING THE PUMP
Pressure setting: Compression ratio should be of 50:1. Adjust the delivery pressure according to the system
operating parameters.
Delivery setting: The pump has a fixed delivery. For particular needs, the pump delivery adjustment kit 3132585
can be provided under specific request. The kit is showed in the picture below.
Install the kit using the gasket (A) provided with it, remove the tap (E) and screw the fitting (B) with a key 27.
Loose the screw nut (C) with a key 13 so as to free the screw (D). Use the appropriate screwdriver cut either to
tighten (decreasing the pump delivery) or loose (increasing the pump delivery). Once completed the adjustment,
block the screw nut (C) and replace the cap (E).
N.B.: After completing the installation, ensure that all cables and tubing is protected against possible
damage from moving parts within the installation environment.

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7. PUMP OPERATION
7.1 COMMISSIONING THE PUMP
•The unit can only be opened and repaired by authorized Dropsa personnel.
•Do not use the pump submerged in fluids, in aggressive environments such as close to extremely hot
substances, flammable or explosive material whether the supplier has not specifically prepared the
pump for it.
•Always wear safety glasses and gloves when working with pneumatic and hydraulic systems.
•Do not use abrasive lubricants with gaskets NBR. In the event of doubts, contact the Dropsa technical
centre that will provide all details on indicated lubricants.
•Do not ignore hazards for health and observe hygienic rules.
•Always use tubing suited for the specific working pressure.
Before using the pump, it is necessary to perform some preliminary checks:
•Check the integrity of the pump; ensure there is no physical damage.
•Fill the Oil reservoir with suitable lubricant (see instructions min/max on the reservoir).
•Check the pump working temperature and ensure there is no trapped air within tubing.
•Check electrical connections have been carried out correctly (CEI 64/8, IEC 364).
•Check level control panel connections and their operating status.
7.2 USING THE PUMP
•Check set data on the panel.
•Push the start button of the machine to which the pump is connected.
•Check pump commissioning.
•Ensure the machine is properly lubricated (in the event of doubts, contact the Dropsa technical centre to
request the testing procedure.
8. TROUBLESHOOTING
The following table highlights some of the most common problems encountered when using the
Locopump and how to resolve them.
In the event of doubts or problems not listen, do not dismantle the pump but contact a DropsA technical
centre for assistance.
DIAGNOSTIC TABLE
PROBLEM
The pump starts but does not
deliver lubricant or delivers
different quantities from the
required discharge.
The pump does not deliver
lubricant at the set pressure or
does not keep the working
pressure.
PROBABLE CAUSE
oThe reservoir has insufficient oil.
oThe control valve does not
discharge.
oFittings may have become lose.
oIncorrect adjustment of the
control inlet air pressure.
oThe check valve may be
damaged or clogged.
SOLUTION
oFill the oil reservoir. Do not
exceed the max. level.
oCheck the pump control valve 3
ways is normally discharging
compressed air.
oTighten any loose fittings on the
pump or the lubrication system.
oAdjust properly the air pressure
within the established range of
pressures considering the
compression ratio.
oClean or change the valve
(chapter 6.6 point F) which is
comprised in the kit 3132671

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9. MAINTENANCE PROCEDURE
To facilitate maintenance it is suggested that the pump be installed in an easily accessible location.
Provide users with the necessary personal protective clothing to avoid any contact with lubricant.
Once accurately set by Dropsa, the pump does not require any maintenance.
It is recommended the use of pure lubricants and a periodical accurate cleaning of pump components.
Dismantling has to be carried out as following:
1. There is a grease pushing spring. Before dismantling the reservoir, it has to be emptied of its content.
2. Discharge the supply pressure.
3. Disconnect fitting from the pump.
4. Unscrew fixing screws and then dismantle the reservoir keeping a lot of attention to the grease pushing
spring (the spring could be charged. If so, remove the residual lubricant).
5. Remove the pump and the filters.
6. Unscrew the pump pneumatic cylinder keeping a lot of attention to the charge of the spring. After this, it
is possible to slip off pumping group components.
In this way it is possible to free every pump component, remove and clean them.
Before mounting, each component has to be washed in oil and lubricate.
The following routine operations should be performed:
Operation Interval (in hours)
Check correct lubrication function of the pump 100
Lubricant level 200
Clean the suction and re-filling filters 400
Clean the bottom of the oil reservoir from any dirt or particle deposits 600
The unit does not require any special tooling to operate or maintain it. It is recommended that suitable protective
clothing (including gloves and safety glasses) are worn when maintaining the unit in order to avoid hazards to
equipment or persons.
Be sure that all electrical and pressurized hydraulic components are disconnected prior to any
maintenance.
10. DISPOSAL
During maintenance or disposal of the machine care should be taken to properly dispose of environmentally
sensitive items such as oils or other lubricants. Refer to local regulations in force in your area.
When disposing of this unit, it is important to ensure that the identification label is also destroyed.
11. ORDERING INFORMATION
Ordering instructions
Code Technical Characteristics
3413050 Pneumatic pump R=50:1 Reservoir 2 Kg (4.4 lb.)
3132671 Gasket replace kit
3132585 Pump delivery adjustment kit

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12. DIMENSIONS
To facilitate maintenance allow 100 mm of access on all sides.
13. HANDLING AND TRANSPORTATION
Pumps are accurately packed and dispatched in cardboard containers. During transportation and storage always
maintain the pump the right way up as indicated on the box.
On receipt check that the packaging has not been damaged and store the pump in a dry place.

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14. OPERATING HAZARDS
It is necessary to read and understand the possible hazards and risks involved when using a lubrication pump.
The operator must fully understand the hazards explained in this manual.
Electrical Power
No maintenance must be performed on the unit without having detached and isolated the power supply
and ensuring that it cannot be reconnected for the duration of the maintenance task. Always remember
to ensure that equipment is properly earthed.
Flammable substances.
Mineral oils generally used in lubrication systems are not normally flammable. However, it is desirable to
avoid contact with extremely hot substances or naked flames. Ensure that the machine that the
lubrication system is installed onto contains the necessary fire extinguishing devices.
Pneumatic & Hydraulic Pressure
Before any maintenance or connection task, ensure that all pressure has been properly bled from the
system. Residual pneumatic or hydraulic pressure can cause the release of undesired spurts of liquid,
which may hit the operator. Always wear safety glasses and glove when working with pneumatic and
hydraulic systems.
Noise and Vibration
The Locopump pump does not produce excessive vibration or noise (less than 70 dB(A) )
15. PRECAUTIONS
Verification of compliance with essential safety requirements and machine Directive dispositions has been
carried out filling in checking lists provided and contained in the technical file.
Dropsa used two kind of checking lists:
•The list of hazards (according to the EN 1050 as it refers to EN 292).
•Enforcement of the essential safety requests (machine Directive – annex 1, part 1).
Residual but acceptable hazards are described below:
•During maintenance operations, spurts of lubricant at low pressure could occur. (Said operations have to
be carried out using the proper health and safety regulations).
•Contact with lubricant. See dispositions for proper health and safety regulations.
•Pre-loaded springs positioned inside the control cylinder and reservoir.
•Use of incompatible/non-permissible fluids. Compatible lubricant characteristics has been shown in this
manual and can be found on the label stick onto the machine. In the event of doubts, contact the Dropsa
technical centre.
•Electrical and hydraulic protection should be provided by users.
•Monitor electric contacts to ensure the pump is working during machine operations. In case of short-
circuits the machine can be reset and restart by user whilst the lubrication pump restarts automatically.
•Do not use alcohol for machine cleaning.
Examples of incompatible/non-permissible Fluids.
Fluid Danger
Lubricants containing abrasive components. Premature wear of pump
Lubricants containing silicon. Pump failure
Petrol, Solvents, flammable liquids Fire, explosion, seal damage.
Corrosive products Pump damage, danger to persons.
Water Pump oxidization
Food Products Contamination of product

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16. WARRANTY INFORMATION
All products manufactured and marketed by Dropsa are warranted to be free of defects in material or
workmanship for a period of at least 12 months from date of delivery. Extended warranty coverage applies as
follows:
Complete system installation by Dropsa: 24 Months
All other components: 12 months from date of installation; if installed 6 months or more after ship date, warranty
shall be maximum of 18 months from ship date.
If a fault develops, notify us giving a complete description of the alleged malfunction. Include the part number(s),
test record number where available (format xxxxxx-xxxxxx), date of delivery and installation and operating
conditions of subject product(s). We will subsequently review this information and, at our option, supply you with
either servicing data or shipping instruction and returned materials authorization (RMA) which will have
instructions on how to prepare the product for return. Upon prepaid receipt of subject product to an authorized
Dropsa Sales & Service location, we will then either repair or replace such product(s), at out option, and if
determined to be a warranted defect, we will perform such necessary product repairs or replace such product(s)
at our expense.
Dropsa reserves to right to charge an administration fee if the product(s) returned are found to be not defective.
This limited warranty does not cover any products, damages or injuries resulting from misuse, neglect, normal
expected wear, chemically caused corrosion, improper installation or operation contrary to factory
recommendation. Nor does it cover equipment that has been modified, tampered with or altered without
authorization.
Consumables and perishable products are excluded from this or any other warranty.
No other extended liabilities are states or implied and this warranty in no event covers incidental or
consequential damages, injuries or costs resulting from any such defective product(s).
The use of Dropsa product(s) implies the acceptance of our warranty conditions. Modifications to our standard
warranty must be in made in writing and approved by Dropsa.

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17. DECLARATION OF COMPLIANCE WITH CE STANDARDS
Manufacturer:
DROPSA SpA
Via B. Croce, 1 - 20090 Vimodrone (MI)
Address
02 – 250.791
Telephone
Certifies that:
The Machine: LOCOPUMP PNEUMATIC PUMP 36003XX
oHas been manufacturer in conformance with the European Community Directive relating to the harmonised
standards of the member states relating to machine safety, EMC (89/336/CEE) and BT (73/23/CEE) and
subsequent revisions of the aforementioned standards
TECHNICAL DIRECTOR Walter Divisi
Name
DROPSA SpA - Vimodrone (Mi) - Italy
Company
January 2002
Signature Date

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18. DROPSA LOCATIONS
Dropsa USA Inc.
50679 Wing Drive
Utica, Michigan 48315, USA
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Dropsa France
23, Av.des.Morillons
Z.I. des Doucettes
95140 - Garges Les Gonesse
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Dropsa (UK) Ltd
Unit 6, Egham Business Village,
Egham,Surrey,TW20 8RB
Tel: [phone] - 431177
Fax: [phone] - 438598
E-mail: [email protected]
Dropsa do Brazil
Rua Sobralia 175/866
Sao Paulo
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Dropsa S.p.A.
Via B. Croce,1
20090 Vimodrone (MI) Italy.
Tel: (+39) 02 - 250.79.1
Fax: (+39) 02 - 250.79.767
E-mail: [email protected] (Export)
E-mail: [email protected] (National)
Poly Dropsa S.A.
Av. Fabregada 26 - Pje Est.2
08907 L'Hospitalet de LLobregat
Barcelona, Spain
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Dropsa Gmbh
Volmerswerther Strasse 80
40221 Dusseldorf 1, Germany
Tel: [phone]
Fax:[phone]
E-mail: [email protected]
Dropsa Australia Pty.
C20/148 Old Pittwater Road
Brookvale NSW 2100
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Web site: http://www.dropsa.com - E-mail: [email protected]