2 3
Engineering Data
MA-15M ............................................................ 3
MA-15H ............................................................ 4
MA-25L ............................................................. 5
MA-25M ............................................................ 6
MA-40L ............................................................. 7
MA-40M ............................................................ 8
SC-30 ............................................................... 9
SC-30H ........................................................... 10
SC-45L ........................................................... 11
SC-45 ............................................................. 12
SC-45H ........................................................... 13
SC-65L ........................................................... 14
SC-65 ............................................................. 15
SC-65H ........................................................... 16
RO-23 ............................................................. 17
RO-38 ............................................................. 18
RO-64 ............................................................. 19
Dimensional Data ...........................................20–21
Installation, Operation, Lubrication, Maintenance
and Storage Instructions ....................................... 22
Safety ............................................................. 22
Storage............................................................ 22
Pump Location and Piping Design ...................... 22
Suction Piping ............................................22–23
Acceleration Head ............................................ 23
Discharge Piping .........................................23–24
Bypass Piping .................................................. 24
Lubrication ...................................................... 24
V-Belt Drive ............................................... 24, 26
Suggested Piping System for Plunger Pumps ...... 25
Direction of Rotation ......................................... 26
Automatic (Safety) Shutdowns ........................... 26
Crankshaft Assembly ............................................ 26
General ........................................................... 26
Tapered Roller Bearings ...............................26–27
Installing Crankshaft ............................................ 27
General ........................................................... 27
Shim Adjustment of Tapered Roller Bearings ....... 27
Installation of Crankshaft Oil Seal ...................... 27
Connecting Rod, Crosshead and
Crosshead Pin Assembly ....................................... 27
General ......................................................27–28
Installing Wrist Pin Bushings ............................. 28
Pinning the Crosshead .................................28–29
Order of Assembly ............................................ 29
Precision Crankpin (Crankthrow) Bearings ........... 29
Wiper Box Assembly ............................................. 29
General ........................................................... 29
“Poly Pak” Seal ..........................................29–30
Mechanical Oil Seal .......................................... 30
Inserting the Plunger ........................................ 30
Stuffing Box, Packing and Plunger Assemblies ....... 30
General ........................................................... 30
Spring Loaded Packing ................................30–31
Hi/Lo Gland Adjustable Packing ......................... 31
Inserting the Plunger ........................................ 31
Installing the Gland .......................................... 31
Installing the Stuffing Box ............................31–32
Connecting the Plunger ..................................... 32
Packing ........................................................... 32
Plungers .......................................................... 32
Converting Plunger to Piston .............................. 33
Changing Piston Cups ....................................... 33
Disc Valve Systems and Abrasion Resistant ............ 33
General ........................................................... 33
Disc Valve and Abrasion Resistant Valve
Construction .................................................... 33
Setting the Valve Seat ....................................... 34
Installing the Valve Seat .................................... 34
Installing O-Rings, Abrasion Resistant Spring
and Cage ......................................................... 34
Installing Disc, Spring, Disc Valves and Stem ...... 34
Valve Spring Options ......................................... 34
Valve Disc Options ............................................ 35
Pulling the Valve Seat ....................................... 35
Salvage of Worn Seats ....................................... 35
Other Pump Brands .......................................... 35
Trouble Location and Remedy ..........................35–37
Parts Lists......................................................38–59
Warranty ............................................................. 60
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