User's Manual

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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)
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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

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SHOWN WITH
OPTIONAL GAUGE
FOR STANDARD 5/16
SCREWS 0.34 DIA.
MTG. HOLES TYP. 4
PLACES
5.9
(150)
0.75
(19.1)
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1.75
(44.5)
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0.84 DIA.
HOLE FOR 1/2"
CONDUIT
FITTING TYP.
2 PLACES
MANUAL
RUN
BUTTON
RESERVOIR
DRAIN
PLUG
RED
AMBER
GREEN
6.44
(164)
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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.