Muncie E Series Troubleshooting Manual page 2

Condition
Pump is hot.
(Oil temperature should not exceed
140º F {60º C} )
Oil foaming.
TRG08-03 Printed in the U.S.A.
© Muncie Power Products, Inc. 2008
E/EH Series Dump Pump
TroubleshooTing guide - Page 2
Likely Cause
Low oil level.
Reservoir too small.
Dirty oil.
Relief valve stuck open.
Relief valve improperly set.
Wrong pump for application.
(Walking floor, ejector trailer,
live bottom trailer.)
PTO left engaged.
Low oil level.
Loose inlet fitting.
Damaged shaft seal.
Leak in inlet hose.
Improper tank baffle.
No sleeve in inlet port (3 line systems)
Fill reservoir.
Increase reservoir size.
Replace oil and filter.
Remove, clean, and re-set.
Adjust relief valve.
Replace with correct model.
Dump pumps should be used only with
dump bodies.
Review operating procedures.
Fill reservoir.
Tighten fitting.
Replace seal.
Replace hose.
Install baffle or diffuser.
Install conversion sleeve.
muncie Power Products, Inc.
General Offices and Distribution Center • P.O. Box 548 • Muncie, IN 47308-0548
(765) 284-7721 • FAX (765) 284-6991 • E-mail info@munciepower.com
Drive Products, Exclusive Agents for Canada, ISO Certified by an Accredited Registrar
Correction
Member of the Interpump Hydraulics Group
Web site http://www.munciepower.com