Flowserve NMD - Manual (Page 25)

NMD, NMAD USER INSTRUCTIONS ENGLISH 71576436 - 11/09
Page 25 of 40
DIMENSIONS IN MILLIMETERS PACKING
PUMP
D1 D2 D3 D4 D5 L1 Lgh
102 NMD –
102 NMAD
45 55 75 100 M12 45 205 10
122 NMD -
122 NMAD
55 70 95 135 M12 78 260 12
152 NMD -
152 NMAD
65 80 109 150 M16 91 297 14
202 NMD -
202 NMAD
75 100 132 180 M16 104 365 16
252 NMD 75 100 132 180 M16 104 365 16
6.2.6 Internal coating
If the pump has an internal coating, this coating
must be inspected periodically. Any wear or cracks
of the coating found must be immediately repaired.
Failure to do this may lead to accelerated wear of
the coating during operation and corrosion of the
exposed base metal, depending on the material and
pumped liquid. Special attention must be paid to the
coating edges. Any loss of coating material is
considered to be normal wear and tear on the pump
and is not considered as warranty. Flowserve has
applied the coatings according to the supplier's
instructions but will not be held responsible for
coating wear or cracks that may develop over time.
6.3 Spare parts
6.3.1 Ordering of spares
Flowserve keeps records of all pumps that have
been supplied. When ordering spares the following
information should be quoted:
1) Pump serial number.
2) Pump size.
3) Part name
4) Part number
5) Number of parts required.
The pump size and serial number are shown on the
pump nameplate.
To ensure continued satisfactory operation,
replacement parts to the original design specification
should be obtained from Flowserve. Any change to
the original design specification (modification or use
of a non-standard part) will invalidate the pump’s
safety certification.
6.3.2 Storage of spares
Spares should be stored in a clean dry area away
from vibration. Inspection and re-treatment of
metallic surfaces (if necessary) with preservative are
recommended at 6 monthly intervals.
6.4 Recommended spares and
consumable items
[2250] - [4130] - [4590-01] – [4590-02]- [4610-01] -
[4610-02] - [4610-03] - [4610-04] - [3011] - [3300] -
[3400]
a) Destroy all the gaskets after dismantling, replace
them when reassembling.
b) IT IS RECOMMENDED THAT
BEARINGS ARE NOT REUSED AFTER ANY
REMOVAL FROM THE SHAFT.
c) After serving during two years, replace the gland
packing.
6.5 Disassembly
Refer to section 1.6, Safety, and section 6
Maintenance, before dismantling the pump.
Before dismantling the pump for
overhaul, ensure genuine Flowserve replacement
parts are available. Refer to sectional drawings for
part numbers and identification.
REPAIR OF THE PUMP
If the pump presents abnormalities or a
persistent malfunction, contact immediately:
FLOWSERVE
After-sales Service
Tel.: 02 43 40 57 57
(33) 2 43 40 57 57
Fax.: 02 43 40 58 17
(33) 2 43 40 58 17
According to the After-sales Service instructions,
disassembly will be limited to the dismantling of the
pump.
a) DISCONNECT THE UNIT FROM
POWER.
b) Close the inlet valve (if fitted) and outlet valve.
c) Wait for the moment when the pump casing is
cooled and at ambient temperature.
d) DRAIN PUMP.
e) Dismantle inlet and outlet pipeworks as well as
all pipeworks.
f) REMOVE PUMP TAKING INTO
ACCOUNT SAFETY (§ 1) AND HANDLING
(§ 3) PROCEDURES.