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Parts Manual Series 90 42cc Axial Piston Pump
AX00000085en-US | 520L0838 • Rev 0500 • January 2017
Service bulletin
Service parts identication ................................................................................................................. 4
Nameplate ................................................................................................................................................4
Date code ..................................................................................................................................................5
Service bulletins .....................................................................................................................................5
Procedure to identify a part ............................................................................................................... 5
Abobe Acrobat 2-page viewing ........................................................................................................ 6
Order code ................................................................................................................................................7
Common parts .................................................................................................................................... 8-9
Special hardware ...........................................................................................................................10-23
Displacement limitation ............................................................................................................. 24-33
End cap ............................................................................................................................................. 34-35
Charging system ............................................................................................................................ 36-37
Auxiliary mounting ....................................................................................................................... 38-41
Charge pressure setting .............................................................................................................. 42-43
Shaft ................................................................................................................................................... 42-43
Control .............................................................................................................................................. 44-67
Filtration ........................................................................................................................................... 68-69
High pressure protection ........................................................................................................... 70-73
Orice ................................................................................................................................................ 74-85
Overhaul seal kit ...................................................................................................................................86
SB-1988-023 (piston improvement) ..............................................................................................89
SB-1989-002 (incorporation of adjustable charge relief valve) ...........................................90
SB-1992-008 (pump redesign)..................................................................................................92-93
SB-1993-002 (HDC gasket change) ................................................................................................94
SB-1993-012 (removal of valve plate from cylinder block kit) .............................................95
SB-1993-015 (servo arm/speed ring interference) ...................................................................96
SB-1994-018 (side cover washer elimination) ............................................................................97
SB-1995-002 (charge pump shaft key change) .........................................................................98
SB-1995-003 (MDC w/electric solenoid override manifold change) .................................99
SB-1995-004 (charge pump design change) .................................................................. 100-101
SB-1995-005 (obsolete servo system parts) ............................................................................ 102
SB-1995-006 (end cap screw size change) ............................................................................... 103
SB-1995-026 ((valve plate part number change) ................................................................... 104
SB-1996-004 (side cover design change) .................................................................................105
SB-1997-014 (charge pump shaft part number change) .................................................... 106
SB-1999-041 (side cover insert material change) .................................................................. 107
SB-2002-016 (swashplate change) ..............................................................................................105
SB-2005-011 (auxiliary ange charge pump cover) ............................................................. 106
SB-2009-074 (A auxiliary pad)....................................................................................................... 107
SB-2009-075 (B auxiliary pad) ....................................................................................................... 108
SB-2009-076 (C auxiliary pad) ....................................................................................................... 109
SB-2011-025 (coupling change) .................................................................................................. 110
SB-2015--031 (charge pump shaft) ............................................................................................. 111
General information
Variable displacement
pump
Contents