Parts That Will Be Replaced - EBARA DL3FU Operating Instructions, Installation & Maintenance Manual

EBARA Submersible Sewage Pumps
DL3FU / DL3MFU / DL3KFU / DL3KMFU / DDL3FU / DV3FU/ DML3FU
Operating, Installation, and Maintenance
INSTRUCTION MANUAL
(3) Mechanical Seal (lower)
(a) Unplug "Drain hole" (shown in Fig. 14) and drain all internal liquid (coolant or oil).
When draining coolant, open "Air vent" (shown in Figs. 1 and 2)
(b) If the drained liquid is muddy, it contains pumped liquid.
The mechanical seal (lower) is in satisfactory condition as long as the internal liquid
does not contain much pumped liquid. Otherwise, it must be replaced.
(c) After the internal liquid has been inspected, pour fresh internal liquid (coolant or oil)
based on paragraph 3.1.1. The amount is shown in Table 1 or 2.
(d) Replug "Supply hole" as carefully as the other ports.
(e) Replacing the upper and lower mechanical seal, the pump must be disassembled.
After the mechanical seal has been replaced with a new one, reassemble the pump
and supply the specified internal liquid as well. At this point, turn the rotating body
by hand to ensure that it turns smoothly. Also, check for coolant leaks.
WARNING: USE CAUTION WHEN TURNING THE IMPELLER TO AVOID INJURY.
!
(4) Rotor
(a) After checking the coolant, put your hand through the pump discharge and turn the
impeller. Use caution when turning the impeller to avoid injury. If it turns smoothly,
the rotating components should be in satisfactory condition.
(b) If the impeller resists or feels locked, the pump requires an overhaul.
6.4 Parts that will need to be replaced:
Flamepath are not intended to be repaired, contact manufacture.
Replace the appropriate part when the following conditions are apparent.
Replaceable
Part
Replacement
guide
Frequency
Above replacement schedule is based on normal operating conditions.
EBARA
PUMPS AMERICAS CORPORATION
PM32U
www.pumpsebara.com
(t) 803.327.5005 (f) 803.327.5097
Mechanical Seal Seal Washer
Whenever internal Whenever coolant
liquid is clouded is replaced or
inspected
Annually Annually
Internal Liquid O-ring
(Coolant/Oil)
Whenever Whenever pump
clouded or dirty is overhauled
Annually Annually
P.23
24
rev. 01/21