NMM Series
TABLE OF CONTENTS
Page No
3
Introduction
3
1. Important Safety Precautions
3
2. General
4
3. Safe Operating Conditions
5
4. Technical Information
5
5. Transport and Storage
6
6. Assembly/Installation
7
6.1. Installation
7
6.2. Fixing (Securing) Of Pump Group
7
6.3. Piping
7
6.4. Motor Connection
8
7. Commissioning, Start up and Operating
9
7.1. Preparations Before Start up
9
7.2. Checking The Direction of Rotation
9
7.3. Start up Procedure
9
7.4. Shut Down Procedure
10
8. Maintenance
10
8.1. The Checks During the Operation
10
8.2. Service
11
8.3. Spare Parts
11
9. Noise Level and Vibration
11
10. Disassembly, Repair and Reassembly
11
11. Possible Failures, Causes, Solutions
13
12. Pump Dimensions Table
14
13. Tightening Torques
20
14. Forces And Moments at The Pump Flanges
20
15. Sample Plumbing
22
16. NMM Sectional Drawing and Part List
23
17. NMM Drawing for Dismantling
25
18. NMM Series MEI Values Table
27
INTRODUCTION
• This manual contains instructions for the installation,
operation and maintenance of the NMM type horizontal
single stage, non-self priming centrifugal pumps of
MAS DAF MAKINA SANAYI A.Ş.
• Please read carefully this manual and apply all the
instructions to operate pumps without problems.
Pumps shall be used for their intended duties. In this
manual, there are information on operating
conditions, installation, starting-up, settings and main
controls of pumps.
• These operating and maintenance instructions
contain
MAS DAF MAKINA SANAYI A.Ş.
` s suggestions.
The special operating and maintenance information of
the plumbing that a pump is fitted to is not considered
in these instructions. This information must be given
by the plumbing constructors only.
• Please refer to instructions of plumbing constructors.
• Please pay attention to the warnings in this manual
and ensure that it is read before the installation-start
up process.
MAS DAF MAKINA SANAYI A.Ş.
is not
responsible for the accidents resulting from negligence.
• If you cannot find an answer to your questions in this
manual, it is suggested that you contact
MAS DAF
MAKINA SANAYI A.Ş.
Please inform us about the rated
value and especially the serial number of the pump
when you get in contact for help.
• The safety instructions in this manual cover the current
national accident protection regulations. Beside all of
these, an operation, work and safety measure imposed
by the costumer has to be applied.
The Signs Used in This Operation Manual
Read the instructions carefully in this
operating manual and keep it for your
future reference.
Warning sign against the electrical risks
Sign for the operator’s safety
1. IMPORTANT SAFETY PRECAUTIONS
In order to minimize the accidents during the mounting
and putting into service of the pump, the following rules
have to be applied:
1.
Do not work without taking safety measures
relevant to equipment. Cable, mask and safety band
must be used when necessary.
2.
Be sure there is adequate amount of oxygen and
there is no toxic gaseous around
3.
Before using welding or any electrical equipment
make sure that there is no risk of explosion.
4.
Check the cleanliness of the area to take care of your
help. (Dust, smoke, etc.)
5.
Do keep in mind that there is a risk of having
accidents related to electricity
6.
Do not lift the pump before you check the transport
equipment.
7.
Be sure you have a by-pass line
8.
Use helmet, eye glasses and protective shoes for
your safety
9.
Place a protective barrier around the pump within
the necessary safety area
10.
Dust, liquids and gaseous that may cause overheat-
ing, short circuit, corrosion and fire must be kept away
from the pump unit.
11.
By checking the noise level of the pump unit,
necessary measures to avoid noisy operation of the
pump that can have harmful effects on the personnel
and environment.
12.
Be careful about the direction of transport and
storage.
13.
Cover appropriately the moving parts to avoid
possible injury of the personnel. Mount the coupling
guard and belting before starting-up the pump
14.
All the electrical and electronic applications must be
performed by authorized person conforming
EN60204-1 and /or domestic instructions.
15.
Protect the electrical equipment and motor against
overloading
16.
If flammable and explosive liquids are pumped,
ground connection of electricity should be carried out
properly
17.
Do not expose the pump unit to sudden temperature
variations
