Disassembling And Assembling; Limited Warranty - EBARA DL Instruction Manual

Submersible sewage pumps
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10 Disassembly and Reassembly
Refer to the cross sectional drawing.
1. Disassembling
1) Remove the locking bolts on the casing. Lift the motor section. Then, remove the rotating section
of the pump.
2) Remove the impeller bolt (125), and remove the impeller (021).
3) Remove the oiling plug(193), and collect the lubrication oil.
4) Remove the locking bolts on the intermediate casing (005). Remove the intermediate casing (005)
with special care.
(Care shall be paid on removing the intermediate casing (005) because the residual lubrication oil
in the mechanical seal chamber is discharged.)
5) Remove the mechanical seal (111) with special care not to damage the sliding face of the
mechanical seal and the motor shaft.
2. Assembling
Assembly work shall be conducted in reverse steps to those of the disassembly work. The O-ring and
gaskets shall be replaced with new ones.
(Note 1) On reassembling, when the mounting of impeller, Step 2), completed, rotate the impeller
with hands to confirm smooth rotation. If the rotation is not smooth, repeat the steps of 3) to 5).
(Note 2) On tightening the impeller bolt, apply adhesive for thread, (Locktight #262) to the bolt for
preventing loosening of the bolt.
(Note 3) After completing the reassembling work to Step 1), rotate the impeller by hands (inserting
hands from the suction opening), and confirm the smooth rotation of the impeller without contacting
with the suction cover. Then, enter the operation of the pump.

11 Limited Warranty

EBARA Corporation warrants to the original retail purchaser ("Customer") the followings.
(1) This warranty valid for a period of twelve months from the date of delivery.
(2) During the said period, EBARA will repair the pump free of charge provided that:
the trouble is due to shortcomings in design, workmanship, etc., that can be attributed to EBARA,
and that the pump was being operated correctly and in a normal manner in accordance with the
Instruction Manual when the trouble occurred.
EBARA takes full responsibility to repair the pump including parts necessary for replacement,
however, EBARA do not take any other damages caused by the trouble.
(3) Fees will be charged for repair and consumable items in the following circumstances:
(a) If the trouble occurs after the warranty has expired.
(b) If the trouble is caused by mal-operation, and/or caused during storage.
(c) If the trouble is caused by fire, flood, earthquake or other circumstances beyond EBARA's
control.
(d) If the trouble is caused by use of parts other than those recommended by EBARA.
(e) If the trouble is caused by repair or remodeling of the pump carried out by a party other than
EBARA or agent specified by EBARA.
"Consumable items" refer to lubrication oil, gasket, seal washer, O-ring, mechanical seal,
(f)
and other parts that will eventually require replacement.
(4) EBARA's liability shall not extend to any other costs beyond the above.
(5) The storage period of consumable items is 7 years after manufacturing stop.
- 19 -
EBARA
CORPORATION
.

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