EBARA DL3FU Operating Instructions, Installation & Maintenance Manual page 5

EBARA Submersible Sewage Pumps
DL3FU / DL3MFU / DL3KFU / DL3KMFU / DDL3FU / DV3FU/ DML3FU
Operating, Installation, and Maintenance
INSTRUCTION MANUAL
3.1.1 Internal Liquid Supply (Figs. 1, 2 and 3)
2~5HP(1.5-3.7kW) models come standard without internal cooling system and are shipped with proper
oil capacity per Table 2. 7.5~60HP(5.5~45kW) are standard with internally cooled system (no oil fill
required) and are shipped with proper coolant capacity per Table 1.
COOLANT (Internal liquid)
The motor shaft is sealed with a mechanical seal. The coolant chamber provided between the
two sealing stages can be filled with coolant by standing the pump vertical on a level surface
and remove plugs "Coolant supply hole" and "Air vent & full level check hole".
CAUTION: THE SEAL CHAMBER MAY BE UNDER PRESSURE. HOLD A RAG OVER
!
THE PLUG TO PREVENT SPLATTER.
Pour the specified coolant into the coolant chamber through "Coolant supply hole" until the
coolant flows out of "Air vent & full level check hole". (See Table 1)
After the coolant chamber is filled to the specified level, plug the two holes.
EBARA
PUMPS AMERICAS CORPORATION
PM32U
www.pumpsebara.com
(t) 803.327.5005 (f) 803.327.5097
Air vent & full level check hole
Fig. 1
Coolant supply hole
50%: Propylene Glycol
50%: Water
Fig. 2
P.4
5
rev. 01/21