Danfoss H1 45 Repair Instructions page 4

Repair Instructions
Contents
Startup procedures
Port locations
Torque chart
4
H1 45/53/60/68 Closed Circuit Axial Piston Pumps
Servo Piston Installation.............................................................................................................................................................. 32
Servo Cylinder Installation..........................................................................................................................................................33
Cylinder Kit Assembly...................................................................................................................................................................34
Cylinder Kit Installation................................................................................................................................................................35
Timing Pin and Endcap Bushing Installation....................................................................................................................... 35
Endcap Bushing Installation tools............................................................................................................................................36
Endcap Bushing Orientation......................................................................................................................................................36
Valve Plate and Endcap Installation........................................................................................................................................ 37
Charge Pump Installation........................................................................................................................................................... 38
Auxiliary Pad or End Cover Installation.................................................................................................................................. 39
Charge Pressure Relief Valve Installation.............................................................................................................................. 40
Pressure Limiter Installation.......................................................................................................................................................41
HPRV Valve Installation................................................................................................................................................................ 41
Optional Displacement Limiter Installation......................................................................................................................... 42
Control Assembly...........................................................................................................................................................................43
Control Installation........................................................................................................................................................................44
MDC Control.................................................................................................................................................................................... 44
Reassembly................................................................................................................................................................................. 47
Automotive Control Installation...............................................................................................................................................48
Overview........................................................................................................................................................................................... 50
Initial Startup Procedures............................................................................................................................................................50
Adjustments.....................................................................................................................................................................................50
Pressure Measurements.............................................................................................................................................................. 50
Port Locations and Gauge Installation................................................................................................................................... 51
Fastener Size and Torque Chart................................................................................................................................................52
Plug Size and Torque Chart........................................................................................................................................................ 52
Fasteners and Plugs...................................................................................................................................................................... 53
520L0957 • Rev CB • September 2014