Flowserve MPT 20, Installation Operation & Maintenance, Page: 3 / 41

MPT USER INSTRUCTIONS ENGLISH 85392699 06-09
Page 3 of 41
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6.1 Maintenance schedule .................................. 20
6.1.1 Routine inspection (daily/weekly) ......... 20
6.1.2 Periodic inspection (6 monthly) ............ 20
6.2 Lubrication data............................................. 20
6.2.1 Oil lubricated bearings and mechanical
seals ..................................................... 20
6.3 Mechanical seals........................................... 20
6.4 Dismantling ................................................... 20
6.4.1 General ................................................. 20
6.4.2 Dismantling the pump ........................... 20
6.4.3 Genuine Flowserve parts...................... 20
6.4.4 Part numbers and identification ............ 21
6.4.5 Replacing coupling parts ...................... 21
6.4.6 Complete disassembly.......................... 21
6.5 Examination of parts ..................................... 21
6.5.1 Used parts............................................. 21
6.5.2 Casing, impeller, wear plate, and seal
housing................................................. 21
6.5.3 Shaft, keys, and impeller setscrew ....... 21
6.5.4 Gaskets, O-rings, and lip seals............. 21
6.5.5 Bearings................................................ 22
6.5.6 Suction flange and flap valve................ 22
6.5.7 Mechanical seal .................................... 22
6.6 Assembly....................................................... 22
6.6.1 To assemble the pump consult the
sectional drawings................................ 22
6.6.2 Prepare ................................................. 22
6.6.3 Bearings................................................ 22
6.6.4 Mechanical seal .................................... 22
6.6.5 Impeller ................................................. 22
6.6.6 Suction flange ....................................... 22
6.6.7 Coverplate/wear plate........................... 22
6.6.8 Back pull-out assembly/case ................ 23
6.6.9 Lubrication ............................................ 23
6.6.10 Final assembly..................................... 23
6.7 Spare Parts ................................................... 23
6.7.1 Ordering of spares ................................ 23
6.7.2 Pump details ......................................... 23
6.7.3 Genuine parts ....................................... 23
6.7.4 Recommended spares.......................... 23
6.7.5 Storage of spares.................................. 24
7 FAULTS; CAUSES AND REMEDIES.................. 23
8 PARTS LIST AND DRAWINGS........................... 27
8.1 Sectional Arrangement and Parts List
Drawings – MODEL 20 .................................. 27
8.2 Sectional Arrangement and Parts List
Drawings – MODEL 30 .................................. 29
8.3 Sectional Arrangement and Parts List
Drawings – MODEL 40 .................................. 31
8.4 Sectional Arrangement and Parts List
Drawings – MODEL 60 .................................. 31
8.5 Sectional Arrangement and Parts List
Drawings – MODEL 80 .................................. 35
8.6 Mechanical Seal Sectional Arrangement and
Parts List Drawing –
8.7 General Arrangement Drawing .................Error!
Bookmark not defined.
9 CERTIFICATION..................................................37
10 OTHER RELEVANT DOCUMENTATION AND
MANUALS ...........................................................37
10.1 Supplementary Instruction Manuals ............37
10.2 Change notes ..............................................37