Maxi-Flo® Pump Package
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.
SPECIFICATIONS
Pump Output per Stroke 0.010 in3 (0.165 cm3)
Pump Output per min of OnTime
3
12 rpm @ 60 Hz 0.120 in
10 rpm @ 50 Hz 0.100 in
Max System Operating
Pressure
Atmosphere Relief Indicator
Rating
Lubricant Oil, 60-30000 SUS
Operating Temperature
Min 0ºF (-18ºC)
Max - Intermittent
Operation
Max - Continuous Operation 120ºF (49ºC)
Reservoir Capacity 4 pints (1.9 liters), 116 in
Pump Gearmotors 115V, 50/60 Hz, shaded pole, 12 rpm
Reservoir Low Level Switch 115 VAC, 10 Watt Load
500 psi (34 bar)
600 psi (41 bar)
140ºF (60ºC), 50% duty cycle or less)
output @ 60 Hz, 10 rpm @ 50 Hz, 0.13
amp running current, 0.185 amp inrush
current
(1.97 cm3)
3
(1.64 cm3)
3
(1890 cm3)
Compact Pump / Control Package for automatic,
low-pressure, centralized oil lubrication systems.
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.•
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
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
MOTOR COMPARTMENT
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
3
seconds on 50 hz. The piston meters a fixed .010 in
(0.16 cm3) 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.
RESERVOIR
OUTLET PORT
ä
ä
ä
FIGURE 1
A
B
C
RELIEF
INDICATOR
PORT
D
E
Page 2
Trabon® Maxi-Flo® Pump Package 13110
TOTAL CYCLE TIME
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".
TIME CONTROL
ADJUSTMENTS
5
2
1
02
ON TIME MINUTES
TIME CONTROL WIRING
MINUTES HOURS
16
7
8
10
13
8
4
4
2
2
5
5
MINUTES
HOURS
LOW LEVEL
FAULT
L2
L1
24
16
24
30
TOTAL CYCLE
TIME
G
7 8 9 10 11 12
32
R
A
M
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.
DETAIL ON STANDARD AND OPTIONAL SWITCHES
SINGLE POLE SINGLE THROW
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.
COMM.
N.O.
N.C.
MOTOR
COMPARTMENT
NOTE:
NONADJUSTABLE PRESSURE SWITCH FACTORY
SET @ 550 PSI
ä
OPTIONAL HIGH PRESSURE SWITCH
RESERVOIR COMPARTMENT
ä
SINGLE POLE DOUBLE THROW
10 AMPS - 115/230 VAC
1/8-27 NPSF (GAUGE
PORT)
7 AMPS - 6-30 VDC
ä
ä
STANDARD 600 PSI
RELIEF INDICATOR
LUBE OUTLET
1/8-27 NPSF
PUMP
ä
LOW LEVEL SWITCH WIRE LEADS
CONNECTED TO TERMINAL STRIP
ä
ä
MOTOR
COMPARTMENT
ä
LOW LEVEL SWITCH
SPST N.C. (Held Open)
REMOTE CONTROL WIRING
7 8 9 10 11 12
FAULT
L1
L2
USER CONTROL
REMOTE
CONTROL
HIGH PRESSURE
SWITCH WIRING
7
8
L1
L2
2
ä
1
RESERVOIR
COMPARTMENT
3
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).
1 2 3 4
M
A
G
R
MANUAL
RUN
LOW LEVEL
9
4
1 2 3 4 5 6
INPUT
115 /230
REMOTE
CONTROL
LOW LEVEL
M
10 11
HIGH PRESS
N.O.
SWITCH
COMM.
MANUAL RUN
5
6
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).
LOAD
3 AMPS
12
N.C.
7
MANUAL
RUN
MAN
RUN
8
NOT
USED
G
A
R
Page 3
DIMENSIONS Inches (mm)
5.9
(150)
ä
ä
ä
6.44
(164)
ä
0.75
(19.1)
0.84 DIA.
HOLE FOR 1/2"
CONDUIT
FITTING TYP.
2 PLACES
RESERVOIR
DRAIN
PLUG
MANUAL
RUN
BUTTON
ä
ä
1.75
(44.5)
2.28
ä
(58)
ä
FOR STANDARD 5/16
SCREWS 0.34 DIA.
MTG. HOLES TYP. 4
PLACES
ä
ä
2.25
(57)
6.44
(164)
3.56
(90.4)
ä
0.62
ä
ä
(15.7)
RELIEF INDICA-
TOR (600 PSI)
ä
TRABON
Maxi-Flo
ä
ä
ä
ä
ä
Pump Package
AMBER
RED
GREEN
10.5
(265)
10.625
(269.87)
11.375
(288.96)
FILL CAP
ä
LUBE
OUTLET
1/8-27 NPSF
SHOWN WITH
OPTIONAL GAUGE
ä
ä
9.5
(241)
ä
ä
ä
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.
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 recommendation.
COMPONENT ORDERING
Description Part No. Old Part No.
Maxi-Flo Package
w/Time Control for 115 VAC, 50/60 Hz,
Matched Pump Gearmotor
w/Remote Control for 115 VAC, 50/60 Hz,
Matched Pump Gearmotor
*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.
563379 521-500-910
563376 521-500-430
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.
©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.
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