Graco Maxi-Flo Pump Package: a compact, self-contained lubrication system with a choice of control systems to match your application. Easy to install and operate, with a transparent reservoir for visual indication of oil level. Ideal for machinery requiring oil lubrication, such as machine tools, conveyors, and packaging equipment. Features adjustable "on" time and cycle time, as well as manual run capability for system testing and purging. Accessories like pressure gauge and high-pressure switch allow for effective system monitoring.
Graco Maxi-Flo Pump Package: a compact, self-contained lubrication system with a choice of control systems to match your application. Easy to install and operate, with a transparent reservoir for visual indication of oil level. Ideal for machinery requiring oil lubrication, such as machine tools, conveyors, and packaging equipment. Features adjustable "on" time and cycle time, as well as manual run capability for system testing and purging. Accessories like pressure gauge and high-pressure switch allow for effective system monitoring.
DESCRIPTION
Designed for machinery requiring oil lubrication, this self-contained,
easy-to-install package includes a reservoir, electric-motor-driven
positive displacement pump, gear motor, and a choice of two control
systems with a low-level switch as standard equipment.
Optional accessories are a pressure gauge and a high pressure switch
which, when used with MS or MJ series type divider valves, provide an
economical means of effectively monitoring system operation.
Note: Designing information for a Maxi-Flo system is available in
Bulletin No. L23110.
FEATURES / BENEFITS
Choice of (1) Solid-State Time Control, or (2) Remote Control •
matches unit to application.
Easy installation. Just four mounting bolts and one electrical •
connection.
Transparent reservoir provides visual indication of oil level.•
Manual run push-button simplifies line filling, system bleeding or •
purging, and/or testing system integrity.
Housing and reservoir are durable molded plastic.•
Lights indicate low level, operating and power on.•
Compact Pump / Control Package for automatic,
low-pressure, centralized oil lubrication systems.
Maxi-Flo
®
Pump Package
SPECIFICATIONS
Pump Output per Stroke 0.010 in
3
(0.165 cm
3
)
Pump Output per min of On-
Time
12 rpm @ 60 Hz 0.120 in
3
(1.97 cm
3
)
10 rpm @ 50 Hz 0.100 in
3
(1.64 cm
3
)
Max System Operating
Pressure
500 psi (34 bar)
Atmosphere Relief Indicator
Rating
600 psi (41 bar)
Lubricant Oil, 60-30000 SUS
Operating Temperature
Min 0ºF (-18ºC)
Max - Intermittent
Operation
140ºF (60ºC), 50% duty cycle or less)
Max - Continuous Operation 120ºF (49ºC)
Reservoir Capacity 4 pints (1.9 liters), 116 in
3
(1890 cm
3
)
Pump Gearmotors 115V, 50/60 Hz, shaded pole, 12 rpm
output @ 60 Hz, 10 rpm @ 50 Hz, 0.13
amp running current, 0.185 amp inrush
current
Reservoir Low Level Switch 115 VAC, 10 Watt Load
Standard Control Systems
Time Control Solid State Timer, 115 VAC, 50/60 Hz,
cycle time from 1/2 minute to 32 hours,
adjustable On-Time of 12 sec to 13
minutes
NOTE: If the On-Time is set greater or
equal to "Total Cycle Time" the timer will
cause the pump to run continuously
Remote Control 115 VAC, 50/60 Hz, terminal strip for
connection to machine control system
Accessories
Pressure Gauge 0-1000 psi (0-69 bar), back mount, 1/8
NPTF
High Pressure Switch Factory set @ 550 psi (38 bar), 10
ampere contact rating @ 115 VAC
Trabon
®
Maxi-Flo
®
Pump Package 13110
Page 2
OPERATION
The pump gearmotor, energized by one of the three control units,
rotates an eccentric (A) connected to a rod that drives the pump
piston (B).
On the prime stroke, the piston opens the inlet port (C), allowing
oil from the reservoir to flow into the piston chamber. On the
power stroke, the piston motion closes the inlet port and forces
the oil through the spring-loaded check valve (D) and the outlet
port (E), and into the line to the divider valves. When "On", the
pump gearmotor rotates the eccentric at a fixed speed of one
pump strokes every 5 seconds on 60 hz, or one stroke every 6
seconds on 50 hz. The piston meters a fixed .010 in
3
(0.16 cm
3
) of
oil for every pump stroke. The total volume of oil delivered to the
system is determined by the frequency and length of "ON TIME"
that the pump is operated.
ä
ä
ä
MOTOR COMPARTMENT
RESERVOIR
A
B
C
D
E
RELIEF
INDICATOR
PORT
OUTLET PORT
FIGURE 1
Trabon
®
Maxi-Flo
®
Pump Package 13110
Page 3
DETAIL ON STANDARD AND OPTIONAL SWITCHES
OPERATION WITH TIME CONTROL
Set the slide switch to either minutes or hours for cycle time.
Next, set the desired pump "ON TIME" using a screwdriver in the
slotted head of the scale marked "ON TIME MINUTES". Then in a
similar fashion, set the specific interval at which lube cycles are to
occur using the appropriate scale under "TOTAL CYCLE TIME".
"ON TIME" in minutes = Total output required per cycle time (cu.
in.) divided by 0.12 (60 hz) or 0.10 (50 hz) cu.in. per minute output
rate.
When power is applied, the timer activates the lube pump motor
and simultaneously begins timing of the "ON TIME" and "TOTAL
CYCLE TIME".
When the "ON TIME" is completed, the timer shuts off the pump
motor but continues timing the "TOTAL CYCLE TIME" until the
next cycle and "ON TIME".
Activation of the manual run button resets the cycle time to zero
and starts a lube cycle.
The pump will stroke once every 5 seconds at 60 hz and once
every 6 seconds at 50 hz of "ON TIME".
Note: If the "ON TIME" is greater than the "TOTAL CYCLE TIME",
the timer will cause the pump to run continuously.
OPERATION WITH REMOTE CONTROL
This unit permits connection of the pump motor to the lubricated
machine's control system, or to some other control system.
The pump motor "ON TIME" will be determined by the machine or
external system control. For most applications, it is recommended
that the pump operate a minimum of one stroke per lubrication
cycle.
TIME CONTROL
ADJUSTMENTS
1
2
5
7
10
13
ON TIME MINUTES
02
2
4
8
16
24
32
30
5
24
16
8
5
4
2
TOTAL CYCLE TIME
MINUTES
HOURS
MINUTES HOURS
TOTAL CYCLE
TIME
7 8 9 10 11 12
1 2 3 4
FAULT
L1
L2
REMOTE
CONTROL
MANUAL
RUN
USER CONTROL
REMOTE
CONTROL
M
A
G
R
LOW LEVEL
REMOTE CONTROL WIRING
TIME CONTROL WIRING
L2
L1
LOW LEVEL
INPUT
115 /230
LOAD
3 AMPS
MAN
RUN
NOT
USED
MANUAL
RUN
7 8 9 10 11 12
1 2 3 4 5 6
G
R
A
M
FAULT
G
LOW LEVEL
OPTIONAL HIGH PRESSURE SWITCH
L2
A
R
1
2
3
4
5
6
7
8
9
10 11
12
M
8
7
L1
MANUAL RUN
COMM.
HIGH PRESS
SWITCH
N.O.
N.C.
HIGH PRESSURE
SWITCH WIRING
SW RATINGS - MAX RES. LOAD
AMPS AMPS
WATTS VOLTS AC DC
0-50 .2 0.05
10 120 .08 0.02
240 .04 N.A.
SINGLE POLE SINGLE THROW
RESERVOIR
COMPARTMENT
LOW LEVEL SWITCH
SPST N.C. (Held Open)
RESERVOIR COMPART-
MENT
COMM.
N.O.
N.C.
MOTOR
COMPARTMENT
NOTE:
NONADJUSTABLE PRES-
SURE SWITCH FACTORY
SET @ 550 PSI
SINGLE POLE DOUBLE THROW
10 AMPS - 115/230 VAC
7 AMPS - 6-30 VDC
1/8-27 NPSF (GAUGE
PORT)
LUBE OUTLET
1/8-27 NPSF
PUMP
STANDARD 600 PSI
RELIEF INDICATOR
LOW LEVEL SWITCH WIRE LEADS
CONNECTED TO TERMINAL STRIP
MOTOR
COMPARTMENT
ä
ä
ä
ä
ä
ä
ä
ä
ä
When installing optional high 1.
pressure switch, remove factory
jumper #4 to #11.
During normal operation, pressure 2.
switch N.C. contact is closed and
pump motor will operate when timer
calls for a lube cycle (red fault llight
off).
High pressure condition causes 3.
switch contacts to transfer
interrupting power to pump motor
and applying power to red fault light
and fault output (red fault light on).
ä
ä
DIMENSIONS Inches (mm)
GENERAL INSTRUCTIONS
Maximum pump pressure is 500 psi. Damage may result if
pump is operated in excess of 600 psi. Relief valve automatically
relieves output to atmosphere at 600 psi.
Fill reservoir with clean, filtered oil - never allow pump to operate
on an empty reservoir.
To drain reservoir, remove the rubber plug at the bottom extreme
right hand end of reservoir.
Maxi-Flo pump should be cleaned with a mild detergent.
Do not use more than 20 inch pounds of torque on the pump
mounting bolts.
Note: The Maxi-Flo package was not designed for use in outdoor
applications. Do not install unit where it will be constantly
exposed to direct sunlight and water.
FILL CAP
10.5
(265)
ä
ä
ä
ä
ä
ä
ä
ä
ä
ä
ä
10.625
(269.87)
11.375
(288.96)
0.62
(15.7)
3.56
(90.4)
6.44
(164)
2.25
(57)
9.5
(241)
LUBE
OUTLET
1/8-27 NPSF
Maxi-Flo
Pump Package
ä
SHOWN WITH
OPTIONAL GAUGE
FOR STANDARD 5/16
SCREWS 0.34 DIA.
MTG. HOLES TYP. 4
PLACES
5.9
(150)
0.75
(19.1)
ä
ä
1.75
(44.5)
ä
ä
ä
ä
0.84 DIA.
HOLE FOR 1/2"
CONDUIT
FITTING TYP.
2 PLACES
MANUAL
RUN
BUTTON
RESERVOIR
DRAIN
PLUG
RED
AMBER
GREEN
6.44
(164)
ä
ä
ä
ä
ä
2.28
(58)
RELIEF INDICA-
TOR (600 PSI)
Graco endorses the SAE recommendation of ISO 18/14 (ISO 4406) oil
cleanliness for most bearing applications. Some high speed bearing
may require cleaner oil. Consult the bearing manufacturer for recom-
mendation.
TRABON
COMPONENT ORDERING
Description Part No. Old Part No.
Maxi-Flo Package
w/Time Control for 115 VAC, 50/60 Hz,
Matched Pump Gearmotor
563379 521-500-910
w/Remote Control for 115 VAC, 50/60 Hz,
Matched Pump Gearmotor
563376 521-500-430
*Optional Accessories
High Pressure Switch 564376 521-500-330
Gauge (0-1000psi) 558899 493-020-241
Service Parts
Timer Replacement Board, 115 VAC 558031 572-142-590
Replacement 115 VAC Gearmotor 557641 521-500-650
Replacement Pump 563374 521-500-220
Replacement Low Level Switch 557826 541-603-002
Replacement Reservoir/Timer Housing Kit 563930 560-002-130
Replacement Relief Indicator 563375 521-500-400
* Available for field installation only. Terminal strip supplied with high
pressure option kit.
All written and visual data contained in this document are based on the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.
©2006-2009 Graco Inc. Form No. L13110 Rev. B 2/09 Printed in U.S.A. All other brand names or marks are used for identification purposes and are trademarks of their respective owners. All written and
visual data contained in this document are based on the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.
Contact us today!
To receive product information or talk with a Graco representative,
call 800-533-9655 or visit us online at www.graco.com.
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Graco Maxi-Flo Pump Package: a compact, self-contained lubrication system with a choice of control systems to match your application. Easy to install and operate, with a transparent reservoir for visual indication of oil level. Ideal for machinery requiring oil lubrication, such as machine tools, conveyors, and packaging equipment. Features adjustable "on" time and cycle time, as well as manual run capability for system testing and purging. Accessories like pressure gauge and high-pressure switch allow for effective system monitoring.
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