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1. INTRODUCTION
This user’s and maintenance manual refers to a 989 pump series for grease.
It is recommended that this manual is carefully kept in good condition and is always available to persons requiring to
consult it.
To request further copies, updates or clarifications with respect to this manual contact the Engineering Department at
Dropsa SpA.
The use of the pump referred to in this manual must be entrusted to qualified personnel with a knowledge of
hydraulics and electrical systems.
The manufacturer reserves the right to update the product and/or the user’s manual without the obligation to revise
previous versions. It is however, possible to contact the Engineering Department for the latest revision in use.
The pump, and any accessories mounted on it, should be carefully checked immediately on receipt and in the event of
any discrepancy or complaint the Dropsa SpA Sales Department should be contacted without delay.
DROPSA S.p.A. declines to accept any responsibility for injuries to persons or damage to property in the event of the
non-observance of the information presented in this manual.
Any modification to component parts of the system or the different destination of use of this system or its parts
without prior written authorization from DROPSA S.p.A. will absolve the latter from any responsibility for injury or
damage to persons and/or property and will release them from all obligations arising from the guarantee.
2. GENERAL DESCRIPTION
The features which distinguish this pump are:
high performance,
simplicity of construction,
modularity,
The simplicity of construction guarantees long life, reliability and simplified and reduced maintenance. The modularity
of the components allows the system engineer to construct the lubrication unit to meet the specific needs of the
lubrication system it is serving.
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.
4. TECHNICAL SPECIFICATIONS
TECHNICAL CHARACTERISTICS
Pressure
300 Bar ( 4410 psi)
Fixed delivery max (pumping Ø6 mm)
10 cm
3
/ min (0.55 cu. in/min)
Fixed delivery max (pumping Ø8 mm)
17 cm
3
/ min (1.03 cu. in/min)
Adjustable delivery max (pumping Ø6 mm)
1,4-10 cm
3
/ min (0.085 - 0.61 cu. in/min)
Adjustable delivery max (pumping Ø6 mm)
2,5-17 cm
3
/ min (0.15 - 1.03 cu. in/min)
No. pumpings
1 ÷ 3
Capacity reservoir
5 kg. (11 lb)
Lubricant
Grease
Lubricant Viscosity
000 ÷ 2 NLGI
Working Temperature
+ 10° C ÷ + 40° C (+50° ÷ +104° F)
Motor Voltage
220/380 V – 50/60 Hz
Power absorption
90 W