Masdaf HEXA 1, Руководство по эксплуатации, Страница: 8 / 16

7.1.1. Component Check
7.1.1.1. Mechanical Seal
Mechanical seals are used in HEXA type pumps. Mechani-
cal Seals are absolutely leak-proof and needs less
maintenance than soft packing.
Mechanical seal;
1. Provides leak proof operation in heavy operating
conditions (in waste water pumps, chemical process and
refinery pumps).
2. Easily mountable and needs less maintenance.
3. Does not cause wearing on the shaft
4. Sealing operation does not depend on the quality of
shaft finishing.
7.1.1.2. Drive
Apply to the operating instructions of the motor manufac-
turer.
7.1.1.3. Auxiliary Components
Check regularly the fittings and the gaskets, replace the
worn out pieces.
7.2. Service
Our Customer Service Department offers after-sale
service. Manager should employ authorized and trained
personnel for mounting/dismounting procedures. Before
these procedures, one must make sure that pump interior
is clean and empty.
This criterion is also valid for the pumps which are sent to
our factory or to our service points.
Maintain the safety of the personnel and the
environment in every field procedure.
7.3. Spare Parts
The spare parts of HEXA type pumps are guaranteed for 10
years by MAS DAF MAKINA SANAYI A.Ş.
In your spare parts requests, please indicate the below
listed values that are indicated on your pump’s label.
Pump type and size:
Motor power and speed:
Pump serial number:
Capacity and head:
8. DISASSEMBLY, REPAIR AND REASSEMBLY
Before starting work on the pump set, make sure it is
disconnected from the mains and can not be switched on
accidentally.
Fallow the safety precautions outlined in “Important
Safety Precautions”.
• Fit discharge head on the motor. Fit mechanical seal. The
faces of mechanical seal should be lubricated.
• Fit the impellers, diffusers etc. in position according to
the drawing. Then fit impeller cover, tighten nuts, fit seal
circle on every diffusers.
• Fit suction head, stay bolts, tighten the nuts of stay bolts.
• Rotate the motor fan by hand to ensure that the shaft is
not choked.
• Reverse the process above can disassemble a pump.
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