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EBARA Submersible Grinder Pumps
Operating, Installation, and Maintenance
Maintenance and Service
7. Disassembly and Assembly
!
CAUTION
All service should be done by factory trained or qualified personnel only.
Be sure to cut off power source before beginning disassembly.
Please contact the following for assistance:
EBARA International Corporation
Customer Service Manager
1651 Cedar Line Drive
Rock Hill, South Carolina 29730
Thermal Protection
The motor shall be equipped with a protector such as automatic cut-off device and thermal protector. The motors
described below shall incorporate Miniature Thermal Protectors (MTP) which are embedded in the windings.
When temperature of the winding raises and reaches the MTP acting point, the motor protection circuit is activated to
protect motor from over heating. Thermal protection should be wired into control circuit to disconnect power to pump
when activated.
1. Applicable model
Model: DGFU, DGFMU
(Does not apply to Model DGUII)
2. MTP Specifications:
Model
Type of Contact
Acting Temperature
Re-setting Temperature
Capacity of Contact
3. Installation:
MTP shall be embedded in the stator windings as shown at right:
4. Construction:
Construction of the MTP is as shown below:
EBARA Fluid Handling
www.pumpsebara.com
(t) 803 327-5005 • (f) 803 327-5097
KLIXON 9700K-66-215
b (Normal-contact Acting-open)
140±5°C (284±9°F)
85±10°C (185±18°F)
Voltage (V)
DC 24
Amperage (A)
18
AC 115
AC 230
AC 460
18
13
5.5
DGUII/DGFU
13
rev. 11/05
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