Danfoss K Frame Series Service Manual

Contents

Danfoss K Frame Series Service Manual Manual pdf 8 page image

OverviewSpecifications and operating parameters for KC/LC motors are given here for reference.Features and optionsMount SAE-B (LV/KV) Cartridge (LC/KC)Motor type Inline, axial piston, positive displacement, two-speed variable motorsDisplacement L: 25, 30, or 35 cm3 [1.50, 1.83, or 2.14 in3] K: 38 or 45 cm3 [2.32 or 2.75 in3]Rotation BidirectionalInstallation position Discretionary: Housing must always be filled with hydraulic fluidPorting SAE O-ring boss, axial or twin radial SAE O-ring boss, twin radialOutput shafts Splined 13 or 15 tooth 16/32 pitch, 0.875 in. straightkeyed, and 1:8 taperSplined 13 or 15 tooth 16/32 pitchControl options Single or dual line hydraulic control Single line hydraulic controlDisplacement limiter Fixed maximum and minimum displacement limiters availableSpeed sensor Available on L Frame SAE-B motors, in development* on K frame and cartridge motorsLoop Flushing Valve AvailableSpecificationsParameter Unit L25 L30 L35 K38 K45Displacement (maximum) cm3 [in3] 25 [1.50] 30 [1.83] 35 [2.14] 38 [2.32] 45 [2.75]Weight (cartridge and SAE-B) kg [lb] 15.4 [34]Mass moment of inertia of rotatingcomponentskg•m2[slug•ft2]0.001666[0.001229]0.001582[0.001167]0.001530[0.001128]0.002326[0.001716]0.002286[0.001687]Theoretical torque N•m/bar[lbf•in/1000psi]0.40[244]0.48[293]0.56[347]0.60[366]0.72[439]Operating parametersParameter Unit L25 L30 L35 K38 K45System pressure continuous bar [psi] 210 [3045] 175 [2540] 140 [2030] 210 [3045] 175 [2540]maximum 415 [6020] 350 [5075] 280 [4060] 415 [6020] 350 [5075]Speed limit(at max. disp)continuous min-1 (rpm) 3400 3500 3600 3600 3500maximum 3950 4150 4300 4000 3900Speed limit(at min. disp)continuous 4400 4450 4500 4650 4500maximum 5000 5150 5300 5200 5050Case pressure continuous bar [psi] 2 [29]maximum 6 [87]Fluid specificationsRatings and data are based on operation with premium petroleum-based hydraulic fluids containingoxidation, rust, and foam inhibitors.Service ManualK and L Frame Variable Motors, Cartridge MountTechnical specifications8 | © Danfoss | July 2017 520L0631 | AX00000042en-US0402