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EBARA Submersible Sewage Pumps
DL3FU / DL3MFU / DL3KFU / DL3KMFU / DDL3FU / DV3FU/ DML3FU
Operating, Installation, and Maintenance
INSTRUCTION MANUAL
WARNING: WHEN LIFTING THE PUMP, USE AN APPROPRIATE CRANE (OR A
!
HOIST) AND LIFT SYSTEM.
CHECK POSITION AND TIGHTNESS OF LIFT SYSTEM SO THAT WEIGHT OF THE PUMP
IS NOT UNBALANCED.
FAILURE TO OBSERVE THIS PRECAUTION CAN RESULT IN SERIOUS ACCIDENTS.
6.3.1 Inspection Procedure
(1) Appearance check
Check the impeller, motor cable, bolts and nuts, external surface conditions for
abnormal conditions.
CAUTION: THE SEAL CHAMBER MAY BE UNDER PRESSURE. HOLD A RAG OVER
!
THE PLUG TO PREVENT SPLATTER.
(2) Mechanical seal (upper)
(a) Lift the pump out of the pump pit and stand it on the floor in a vertical position.
Unplug "Leak check hole" in the intermediate casing of the pump.
(b) If no liquid leaks from "Leak check hole", the mechanical seal (upper) in Fig. 14 is
in satisfactory condition.
(c) If a very small quantity of any liquid leaks out, there is no concern. If any liquid, more
than 1 liter (after one year or less of use) leaks out, the mechanical seal must be
replaced.
(d) If much liquid is emitted, the mechanical seal or other components may be damaged,
and an overhaul is necessary.
(e) When inspection is completed, wind seal tape to the plug, and tighten the plug.
EBARA
PUMPS AMERICAS CORPORATION
PM32U
www.pumpsebara.com
(t) 803.327.5005 (f) 803.327.5097
P.21
22
rev. 01/21
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