DROPSA Dragon Series Manuale d'uso e manutenzione - Pagina 2
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1. INTRODUCTION
This manual provides instructions for the use and maintenance of the Dragone pump, which is designed for use in
lubrication systems using mineral oil or fluid grease.
The manual should be kept in a safe place in which it is protected from damage and does not deteriorate over time; it
should be easily available to any staff member who wishes to consult it.
For other copies of the manual, updates or clarifications, please contact the technical office of Dropsa SpA.
The Dragone pump may only be operated by qualified personnel who have basic hydraulic and electrical skills.
The manufacturer reserves the right to update the product and/or manual without necessarily revising the preceding
versions. It is however possible to request the latest version in use from the Dropsa SpA technical office.
The overall condition of the pump, and of any accessories attached to it, should be checked immediately after
receiving it. In the event of a complaint, immediately contact the commercial office of Dropsa SpA.
DROPSA S.p.A. is absolved from any responsibility for damage to persons or things in the event that the instructions
outlined in this manual are not followed.
Any modifications to the components of the system or any usage of the system (and its parts) differing from its
intended use without written permission from DROPSA S.p.A. will absolve the company from any responsibility for
damage to persons and/or things and will also absolve the company from any guarantee obligations.
The importer and the instructions for ordering the model desired are reported in Chapter 4.
2. GENERAL DESCRIPTION
This series of pumps is particularly suited for feeding lubrication systems. There are three basic versions:
motor-driven gear pumps:
For lubrication systems with injectors and for circulation systems with operating pressure < 20 bar (290 psi) –
system 01
With a built-in release valve, for lubrication systems equipped with "direct response" feeding devices with
operating pressure < 50 bar (750 psi) – system 33V
For progressive lubrication systems and for circulation systems controlled by progressive feeding devices
with operating pressure < 70 bar (1015 psi) – system 26
Pressure maximum:
with intermittent running is 70 bar (1015 psi) with a three-phase motor, 40 bar (580 psi) with a single-phase
motor
with continuous running is 30 bar (435 psi) with single-phase or three-phase motor.
The operating temperature is + 5 C + 40 C.
The system may only be used with mineral lubricating oil that has a viscosity of 15
operating temperature); in the event that a different product is to be used, authorisation must first be received from
Dropsa S.p.A.
3. PRODUCT-MACHINE IDENTIFICATION
Machine identification yellow label is located on the front side of the reservoir and contains product serial number,
input voltage and details of the operating parameters.
2
1000 cSt or NGLI 000 grease (at