Graco Injecto-Flo EO-3 Electric Operated Pumps User's Manual

Graco Automatic Lubrication Systems User's Manual - Injecto-Flo EO-3 Electric Operated Pumps.
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DESCRIPTION

The EO-3 pump package includes a 115 or 230 VAC motor direct 
coupled to a gear pump and mounted on a 3.6 liter (7.6 pint) 
plastic reservoir.  Each is equipped with a low level switch and 
rated for service up to 24 bar (350 psi) .  Timer equipped models 
include a built in pressure switch.  On/off cycles on remote control 
models are programmed by a remote timer or from a machine's 
PLC where available.

When electrical power is applied to the pump motor, lubricant fl ow 
pressurizes the system mainlines causing the piston distributors 
to dispense a measured volume of lubricant to the bearing points.  
Making of the pressure switch contacts (pressure switch equipped 
models) or expiration of the on time causes power to be shut off 
from the motor.  This stops fl ow and permits the internal vent valve 
to release mainline pressure which allows the piston distributors to 
re-prime in preparation for the next lube cycle.

Injecto-Flo EO-3 
Electric Operated Pumps

SPECIFICATION
Motor Voltage

115 + 10% VAC, 50/60 Hz, 1 pH
230 + 10% VAC, 50-60 Hz, 1 pH

Current Consumption

3.8A in-rush, 1.8A running @ 115 VAC
1.9A in-rush, 0.9A running @ 230 VAC

Motor Power

1/18 hp

Motor Speed

1680 RPM @ 60 Hz
1340 RPM @ 50 Hz

Pump Flow Rate

8.5 in3/min (140 cm3/min)

Pressure

Relief valve protected, 350 psi (24 bar), 
Pressure switch set @ 320 psi (22 bar)

Oil Viscosity

ISO 50-1500 (SUS 250-5000)

Operating Temperature

14ºF to 120ºF (-10ºC to 49ºC)

Operation

Intermittent, 20% duty cycle @ max 
pressure (350 psi)

*Low Level Switch

10 watt @ 115/230 VAC
5 watt @ 24 VDC, N.C. Contacts

Suction Strainer

60 mesh screen

Pressure Gauge

0-850 psi (0-60 bar)

Electrical Connection

Supplied with liquid tight cable 
connector and screw terminals

Reservoir

7.6 pint (3.6 liter) translucent nylon

Timer Equipped Models

Timer

On-Time

5-90 sec

Off-Time

2.5-1000 min or 1-21 hours (pre-lube-
selectable)

Pressure Monitor-
Selectable

320 psi (22 bar)

Programming

Via 2 Jumper Bars and 8 Dip Switches

One Fault Output

SPDT

Three Indicator Lights

Power on (GN), Operating (YL), Fault 
(Rd)

Manual Run

Push-button

ORDERING INFORMATION
Description

Part No.

Old Part No.

115V, timer, manual run, indicator light, 
pressure switch, low level switch

562850

126-410-017

230V, timer, manual run, indicator light, 
pressure switch, low level switch

258294

126-410-018

115V, remote, manual run, pressure 
switch, low level switch

562851

126-410-021

Description

Part No.

Old Part No.

230V, remote, manual run, pressure 
switch, low level switch

247669

126-410-026

Replacement Outlet Nut, 6 mm tube

555732

435-702-466

Replacement Outlet Ferrule, 6 mm tube

555731

435-702-421

Outlet Adaptor, M12 x 1M) to 1/4 NPTF(F)

Dis

435-702-471

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