Table Of Contents - Pentair Myers Aplex Series Installation And Service Manual

Engineering Data
MA-95L ..................................................................... 3
MA-95M .................................................................... 4
MA-120L ................................................................... 5
MA-120L-HD ............................................................ 6
MA-120M .................................................................. 7
MA-120M-HD ........................................................... 8
SC-170L .................................................................... 9
SC-170 .....................................................................10
SC-170H ..................................................................11
SC-170DD ................................................................12
Dimensional Data.............................................. 13-14
Installation, Operation, Lubrication, Maintenance
and Storage Instructions ........................................ 15
Safety .......................................................................15
Storage ....................................................................15
Pump Location and Piping Design ..........................15
Suction Piping ...................................................15-16
Acceleration Head ...................................................16
Discharge Piping ...............................................16-17
Bypass Piping ..........................................................17
Lubrication ..............................................................17
V-Belt Drive .......................................................17, 19
Suggested Piping System for Plunger Pumps .......18
Direction of Rotation ...............................................19
Automatic (Safety) Shutdowns ................................19
Crankshaft Assembly .............................................. 19
General ....................................................................19
Tapered Roller Bearings ...................................19-20
Cup Installation .......................................................20
Installing Crankshaft .............................................. 20
Shim Adjustment of Tapered Roller Bearings ........20
Installation of Crankshaft Oil Seal ..........................20
Lube Oil Pump Assembly ........................................20
Disassembly ...................................................... 20-21
Connecting Rod, Crosshead, Extension Rod, Cross-
head Pin and Wiper Box Assembly/Disassembly .... 21
General ....................................................................21
Installing Wrist Pin Bushings .................................21
Pinning the Crosshead ...................................... 21-22
Order of Assembly ...................................................22
Precision Crankpin (Crankthrow) Bearings ............22
Oil Scoop ..................................................................22
Wiper Box Assembly ............................................... 22
General ....................................................................22
"Poly Pak" Seal .......................................................22
Mechanical Oil Seal ........................................... 22-23
Inserting the Plunger ..............................................23
Stuffing Box, Packing and Plunger Assemblies ...... 23
General ....................................................................23
Spring Loaded Packing ...........................................23
J-Style Stuffing Box & Plunger Assembly
(Styles 838 and 858) .......................................... 23-24
Inserting the Plunger ..............................................24
Installing the Gland .................................................24
Installing the Stuffing Box.......................................24
Connecting the Plunger ..........................................24
Packing .............................................................. 24-25
Plungers ..................................................................25
Disc Valve Systems and Abrasion Resistant ............ 25
General ....................................................................25
Disc Valve and Abrasion Resistant Valve
Construction ............................................................25
Setting the Valve Seat..............................................25
Installing O-Rings, Abrasion Resistant Spring
and Cage ..................................................................25
Installing Disc, Spring, Disc Valves and Stem .. 25-26
Valve Spring Options ...............................................26
Valve Disc Options ...................................................26
Pulling the Valve Seat..............................................26
Salvage of Worn Seats .............................................26
Other Pump Brands ................................................26
Trouble Location and Remedy ........................... 27-29
Parts Lists ........................................................ 30-39
Warranty ................................................................. 40
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