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High Pressure Relief Valve Repair

L150

P106 039E

L068

L060

see table

1. Using a hex wrench wrench shown in the table below, remove the HPRVs (L150).
2. Inspect the sealing surfaces in the pump for nicks or scratches, check the valves for damage.
3. Replace any damaged components.
4. Remove and discard the O-rings (L060) and backup rings (L068).
5. Lubricate and install new backup rings (L068) and O-rings (L060).
6. Install HPRVs, and torque to the value in the table.

Frame size

Wrench size

Torque

069/078/089/100

22 mm

70 N•m [52 lbf•ft]

115/130/147/165/210/250

30 mm

110 N•m [81 lbf•ft]

7. Operate the vehicle/machine through full range of controls to ensure proper operation.
8. Check for leaks.

Service Manual

H1P 045/053/060/068 Axial Piston Single Pumps

Minor Repair

©

Danfoss | June 2020

AX152886481964en-000405 | 63

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Содержание H1P 045

Страница 1: ...Service Manual H1P 045 053 060 068 Axial Piston Single Pumps www danfoss com ...

Страница 2: ...ded caution note to start up procedures 0405 November 2018 Major layout update 0401 April 2018 add EDC with angle sensor 0303 March 2010 Fix Osaka address AC Nov 2008 Sep 2014 Various changes AB CB Jun 2007 First edition AA Service Manual H1P 045 053 060 068 Axial Piston Single Pumps 2 Danfoss June 2020 AX152886481964en 000405 ...

Страница 3: ... System Pressure 21 Servo Pressure 22 Charge Pressure 22 Charge Pump Inlet Pressure 22 Case Pressure 23 External Shaft Seal Pressure 23 Temperature 23 Viscosity 23 Technical Specifications H1 Pumps General Specification 24 H1 Pumps Physical Properties 24 Fluid Specification 25 Fluid and Filter Maintenance Recommendations Filtration System 27 Pressure Measurements Port Locations and Gauge Installat...

Страница 4: ...Repair 47 EDC Control Installation 48 Control Solenoids Repair 48 MDC Control Repair 49 MDC Control Assembly 51 Angle sensor on EDC Repair 52 EDC with Angle Sensor Repair 53 Automotive Control Repair 55 AC Control Installation 57 Shaft Seal Roller Bearing and Shaft Repair 58 Charge Pump Repair 60 High Pressure Relief Valve Repair 63 Charge Pressure Relief Valve Repair 64 Pressure Limiter Repair 65...

Страница 5: ...eneral procedures when repairing this product Icon Description Instructions Remove the unit If necessary remove the unit from the vehicle machine Chock the wheels on the vehicle or lock the mechanism to inhibit movement Be aware that hydraulic fluid may be under high pressure and or hot Inspect the outside of the pump and fittings for damage Cap hoses after removal to prevent contamination Keep it...

Страница 6: ...ponents and void the manufacturer s warranty Take precautions to ensure system cleanliness when removing and installing system lines Fluid Under Pressure Escaping hydraulic fluid under pressure can have sufficient force to penetrate your skin causing serious injury and or infection This fluid may also be hot enough to cause burns Relieve pressure in the system before removing hoses fittings gauges...

Страница 7: ...ark orientation for reinstallation Parallelism specification Torque specification External hex head Press in press fit Internal hex head Pull out with tool press fit Torx head Cover splines with installation sleeve O ring boss port Pressure measurement gauge location or specification The symbols above appear in the illustrations and text of this manual They are intended to communicate helpful info...

Страница 8: ...that controls the rate speed and direction of the hydraulic flow H1 pumps are specifically compatible with the Danfoss family of PLUS 1 microcontrollers for easy Plug and Perform installation H1 pumps can be used together in combination with other Danfoss pumps and motors in the overall hydraulic system Danfoss hydrostatic products are designed with many different displacement pressure and load li...

Страница 9: ...the case drain line upstream of the heat exchanger A heat exchanger with bypass valve cools the case drain fluid before it returns to the reservoir H1 Single Pumps Closed Circuit Pictorial Diagram P104 464E Charge Pressure Relief Valve Loop Flushing Valve To Pump Case To Motor Case Servo Control Cylinder Variable Displacement Pump Input Shaft Pump Swashplate Pressure Limiter Valve Charge Check Hig...

Страница 10: ... schematic above shows the function of a hydrostatic transmission using an H1 axial variable displacement pump with electric proportional displacement control EDC and an H1 bent axis variable displacement motor with electric proportional control L and integrated loop flushing device Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Introduction 10 Danfoss June 2020 AX152886481964en 0004...

Страница 11: ...en the high and low loops When the pressure limiter setting is reached the valve ports oil to the low pressure side of the servo piston The change in servo differential pressure rapidly reduces pump displacement Fluid flow from the valve continues until the resulting drop in pump displacement causes system pressure to fall below the pressure limiter setting An active pressure limiter destrokes a p...

Страница 12: ... port When an HPRV valve is used in conjunction with a pressure limiter the HPRV valve is always factory set above the setting of the pressure limiter The system pressure shown in the order code for pumps with only HPRV is the HPRV setting The system pressure shown in the order code for pumps with pressure limiter and HPRV is a reflection of the pressure limiter setting HPRVs are set at low flow c...

Страница 13: ...will be slightly lower than in neutral position The model code of the pump specifies the charge pressure relief valve setting Typical charge pressure increase from 1 2 1 5 bar per 10 l min 17 4 21 8 psi per 2 64 US gal min For external charge flow the CPRV is set according to the table below CPRV flow setting for external charge supply Tandem 045 053 Single 045 053 Single 060 165 Single 210 250 30...

Страница 14: ...ement must be avoided The load or vehicle should be moved not more than 20 of maximum speed and for a duration not exceeding 3 minutes When the bypass function is no longer needed care should be taken to re seat the HPRV hex plugs to the normal operating position Bypass function not available for tandem pumps System Schematic for Single Pump The schematic below shows the function of an H1P axial p...

Страница 15: ...er side of a double acting servo piston Differential pressure across the servo piston rotates the swash plate changing the pump s displacement from full displacement in one direction to full displacement in the opposite direction A serviceable 125 μm screen is located in the supply line immediately before the control porting spool Under some circumstances such as contamination the control spool co...

Страница 16: ...ate system work constantly to maintain the commanded position of the swashplate The EDC incorporates a positive neutral deadband as a result of the control spool porting preloads from the servo piston assembly and the linear control spring Once the neutral threshold current is reached the swashplate is positioned directly proportional to the control current To minimize the effect of the control ne...

Страница 17: ...ing a full stroke response from the pump An o ring seal is used to seal the MOR plunger where initial actuation of the function will require a force of 45 N to engage the plunger Additional actuation typically require less force to engage the MOR plunger Proportional control of the pump using the MOR should not be expected W Warning Unintended MOR operation will cause the pump to go into stroke ex...

Страница 18: ...ealed by means of a static O ring between the actuation system and the control block Its shaft is sealed by means of a special O ring which is applied for low friction The special O ring is protected from dust water and aggressive liquids or gases by means of a special lip seal Manual Displacement Control Pump displacement vs control lever rotation 0 Lever rotation A Displacement 100 a a 100 B b d...

Страница 19: ...limitation of the Bowden cable stroke except the applied torque to the shaft will never exceed 20 N m MDC Torque Description Value Torque required to move handle to maximum displacement 1 4 N m 12 39 lbf in Torque required to hold handle at given displacement 0 6 N m 5 31 lbf in Maximum allowable input torque 20 N m 177 lbf in C Caution Volumetric efficiencies of the system will have impacts on th...

Страница 20: ... should be used when the control is mounted on the unit s bottom side to flush residual contamination out of the control Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Operation 20 Danfoss June 2020 AX152886481964en 000405 ...

Страница 21: ...raking capacity Machine manufacturer is responsible to provide a braking system redundant to the hydrostatic transmission sufficient to stop and hold the vehicle or machine in the event of hydrostatic drive power loss The braking system must also be sufficient to hold the machine in place when full power is applied System Pressure Hydraulic unit life depends on the speed and normal operating or we...

Страница 22: ...valve with the pump in neutral operating at 1800 min 1 rpm and with a fluid viscosity of 32 mm2 s 150 SUS Pumps configured with no charge pump external charge supply are set with a charge flow of 30 l min 7 93 US gal min and a fluid viscosity of 32 mm2 s 150 SUS The charge pressure setting is referenced to case pressure Charge pressure is the differential pressure above case pressure Minimum charg...

Страница 23: ...he shaft seal the shaft seal has been known to pump oil from the external source e g gear box into the pump case Temperature The high temperature limits apply at the hottest point in the transmission which is normally the motor case drain The system should generally be run at or below the quoted rated temperature The maximum intermittent temperature is based on material properties and should never...

Страница 24: ... 045 053 060 068 Mounting flange ISO 3019 1 flange 101 2 SAE B Special bolt dia ISO 3019 1 flange 127 4 SAE C Input shaft outer diameter splines and tapered shafts ISO 3019 1 outer Ø22 mm 4 SAE B 13 teeth ISO 3019 1 outer Ø25 mm 4 SAE B B 15 teeth ISO 3019 1 outer Ø32 mm 4 SAE B 14 teeth Conical keyed shaft end similar to ISO 3019 1 code 25 3 taper 1 8 ISO 3019 1 outer Ø32 mm 4 SAE C 14 teeth ISO ...

Страница 25: ... exceeding 2 of duty cycle based load life Temperature Minimum 1 40 C 40 F Rated 104 C 220 F Recommended range2 60 85 C 140 185 F Maximum Intermittent 115 C 240 F 1 Cold start Short term t 3 min p 50 bar 725 psi n 1000 min 1 rpm 2 At the hottest point normally case drain port Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Technical Specifications Danfoss June 2020 AX152886481964en 00...

Страница 26: ...hange interval Sealed 2000 hours Breather 500 hours High temperatures and pressures will result in accelerated fluid aging More frequent fluid changes may be required Change the fluid more frequently if it becomes contaminated with foreign matter dirt water grease etc or if the fluid is subjected to temperature levels greater than the recommended maximum Dispose of used hydraulic fluid properly Ne...

Страница 27: ...thin the range of β35 45 75 β10 2 or better has been found to be satisfactory For some open circuit systems and closed circuits with cylinders being supplied from the same reservoir a considerably higher filter efficiency is recommended This also applies to systems with gears or clutches using a common reservoir For these systems a charge pressure or return filtration system with a filter β ratio ...

Страница 28: ...8 14 UNF 2B Remote filtration port E 7 8 14 UNF 2B Remote filtration port D 7 8 14 UNF 2B 045 053 Gauge port AM3 Charge pressure after filter 9 16 18 UNF 2B Gauge port M5 Servo pressure 7 16 20 UNF 2B Case drain port L2 1 1 16 12 UNF 2B M14 O ring plug 7 16 20 UNF 2B use for air bleed when filling pump Gauge port M3 Charge pressure after filter 9 16 18 UNF 2B 060 068 Charge construction port H1P P...

Страница 29: ...ype and viscosity fill inlet line from reservoir to pump Use a 10 micron filler filter 6 Disconnect the pump from all control input signals 7 Close construction plug removed in the step 4 C Caution After start up the fluid level in the reservoir may drop due to system components filling Damage to hydraulic components may occur if the fluid supply runs out Ensure reservoir remains full of fluid dur...

Страница 30: ...een forward and reverse for at least five minutes to bleed all air and flush system contaminants out of the system loop Normal charge pressure fluctuation may occur during forward and reverse operation 19 Check that the reservoir is full and remove charge pressure gauge The pump is now ready for an operation Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Initial Startup Procedures 30...

Страница 31: ...tion when dealing with hydraulic fluid under pressure Seek medical attention immediately if you are cut by hydraulic fluid Hazardous Material Hydraulic fluid contains hazardous material Avoid prolonged contact with hydraulic fluid Always dispose of used hydraulic fluid according to state and federal environmental regulations Electrical Troubleshooting Electrical troubleshooting Item Description Ac...

Страница 32: ...rectly Servo pressure low or decaying Damaged servo seals may prevent servo piston from stroking the pump Check for torn missing servo seals Replace and retest Only a Danfoss Authorized Service Center may remove the servo piston without voiding the warranty Bypass function open Open bypass will cause one or both directions to be inoperative Close bypass function System Operating Hot Item Descripti...

Страница 33: ...replace the charge pump System pressure Low system pressure does not provide enough power to move load Measure system pressure Continue to next step High pressure relief or pressure limiter valves Defective high pressure relief or pressure limiter valves cause system pressure to be low Repair or replace high pressure relief or pressure limiter valves Input to control Input operating improperly Rep...

Страница 34: ...rom system Contaminated control orifices Control orifices are plugged Clean control orifices Contaminated control screens EDC supply screen is plugged Replace control screens Only a Danfoss Authorized Service Center may remove the unit s endcap without voiding the warranty Pump inlet vacuum Inlet vacuum is too high resulting in reduced system pressure Measure charge inlet vacuum Inspect line for p...

Страница 35: ...o prevent contamination 5 Inspect the system for contamination 6 Check the hydraulic fluid for signs of contamination oil discoloration foam in the oil sludge or metal particles 7 If there are signs of contamination in the hydraulic fluid replace all filters and drain the hydraulic system 8 Flush the lines and refill the reservoir with the correct filtered hydraulic fluid 9 Before re installing th...

Страница 36: ...ange for some nominal CPRV settings refer to model code located on serial number plate Charge Pressure Range according to model code Code 20 24 26 30 Actual charge pressure bar psi 20 1 5 290 21 8 24 1 5 348 21 8 26 1 5 377 21 8 30 1 5 435 21 8 The factory set pressures at 1800 min 1 rpm pump speed and a reservoir temperature of 50 C 120 F and are referenced to case pressure At higher pump speeds ...

Страница 37: ...essure Clockwise rotation Pressure limiter valves Controls Port A Controls Port B Clockwise rotation as seen from shaft end of pump Counterclockwise rotation as seen from shaft end of pump If you change pressure limiter settings you must also change the HPRV valve to maintain proper PL function Refer to table below for corresponding settings Pressure limiter setting bar PL setting 150 180 200 230 ...

Страница 38: ...dings to compute the effective PL setting 8 Repeat steps 4 and 5 until you reach the desired PL setting 9 After adjustment torque the locknut L024 to 12 N m 9 lbf ft C Caution Do not over torque 10 Shut down the prime mover 11 Remove gauges and replace plugs Engaging the Bypass Function It is possible to damage the drive motor s by operating in bypass mode without charge pressure Move the vehicle ...

Страница 39: ... N m 52 lbf ft If machine is towable with HPRVs opened three turns and if wheels are locked not towable with HPRV valves closed bypass function is working correctly Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Adjustments Danfoss June 2020 AX152886481964en 000405 39 ...

Страница 40: ...rew to achieve the desired maximum displacement 3 Set the adjusting screw against the servo piston by feel before counting turns Refer to the table for change per turn Clockwise rotation decreases displacement counterclockwise rotation increases it Adjustment is possible from zero to maximum Approximate displacement change cm3 in3 per revolution 045 053 060 068 5 1 0 31 6 0 0 37 6 8 0 41 7 7 0 47 ...

Страница 41: ...isconnect the external control input electrical connections from the control 3 Start the prime mover and operate at normal speed 4 Use a 4 mm internal hex wrench to hold the neutral adjusting screw D015 stationary while loosening the locknut D060 with a 13 mm wrench 5 Observe pressure gauges and if necessary turn adjusting screw D015 to reduce pressure differential Adjustment of the EDC is very se...

Страница 42: ...gauges should read the same pressure indicating that the control is in its neutral position 9 Hold the neutral adjusting screw stationary and tighten the locknut D060 Torque to 10 N m 9 lbf ft C Caution Do not over torque 10 When the neutral position is set stop the prime mover and remove the gauges 11 Install the gauge port plugs 12 Reconnect the external control input A small pressure differenti...

Страница 43: ...ternate M4 M5 and MA MB to zero out forward and reverse directions of the front unit then move the gauges to M4 M5 of the rear unit and MC MD system gauge ports for the rear unit Refer to the drawing on the next page to identify all ports The front and rear sections are basically mirror images of each other The control solenoids C1 and C2 are marked on each control While performing this adjustment...

Страница 44: ...0 bar 1000 psi gauge to each servo pressure port M4 and M5 2 Attach a 600 bar 10 000 psi gauge to each system pressure port MA and MB 3 Remove servo cylinder locking screws E350 and plates E300 from both sides of the pump 4 Disconnect the control solenoids from the vehicle wiring harness 5 If using a PWM signal to set mechanical neutral connect the control solenoids C1 and C2 to the signal source ...

Страница 45: ... on the M5 side in until the system pressure differential starts to decrease Continue turning the servo cylinder in until the system delta pressure results in no machine movement System delta pressure ports MA to MB or MC to MD between 3 4 bar typically does not cause machine movement If service of a pump is not performed on the machine validation of machine movement must be checked upon machine s...

Страница 46: ...rface and surrounding area are clean and free of contaminants such as dirt and grime 5 Inspect the system for contamination 6 Look at the hydraulic fluid for signs of system contamination oil discoloration foam in the oil sludge or metal particles 7 Before replacing the pump replace all filters and drain the hydraulic system 8 Flush the system lines and fill the reservoir with the correct filtered...

Страница 47: ... hex wrench remove the six cap screws D250 2 Remove the control module and gasket D150 and discard the gasket 3 If necessary remove orifices F100 using a 3 mm internal hex wrench Tag and number the orifices for reinstallation 4 If screen D084 is clogged use a hook to remove retaining ring D098 and screen 5 Remove and discard screen D084 Service Manual H1P 045 053 060 068 Axial Piston Single Pumps ...

Страница 48: ...sing a 5 mm internal hex wrench torque the cap screws D250 to 13 3 N m 9 8 lbf ft Torque sequence 2 3 4 5 6 1 Control Solenoids Repair 1 Disconnect electrical connection and remove the three cap screws D050 using a 4 mm internal hex wrench 2 Remove the solenoid D025 and O ring D025A Discard the O ring 3 If necessary remove the coil using a 12 point 26 mm socket Inspect the machined surfaces on the...

Страница 49: ...l start switch MDC with neutral start switch and CCO F00T F00B F00P D692 D693 D750 D065 D250 D81 D80 D750 D065 D250 D81 D80 D250 D065 D750 D751 D751 D084 D098 MDC Repair Legend Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Minor Repair Danfoss June 2020 AX152886481964en 000405 49 ...

Страница 50: ...he six cap screws D250 2 Remove the control module and gasket D150 and discard the gasket 3 If necessary remove servo orifices F00A F00B supply orifice F00P and tank orifices F00T using a 3 mm internal hex wrench Tag and number the orifices for reinstallation 4 If screen D084 is clogged use a hook to remove retaining ring D098 and screen 5 Remove and discard screen D084 6 Before removing the contr...

Страница 51: ...reen orientation D084 D084 Incorrect screen orientation Correct screen orientation D098 Remove plug on top of control to ensure the swashplate feedback pin is properly positioned in the center of the control module when installing control 4 If previously removed install orifices using a 3 mm internal hex wrench and torque to 2 5 N m 1 8 lbf ft 5 Install the control module and six cap screws D250 6...

Страница 52: ... housing 8 Using a 4 mm internal hex wrench fasten sensor to control housing with screws D770 Torque screws to 1 85 N m 1 36 lbf ft 9 Position protection cover on control housing over sensor 10 Using a 4 mm internal hex wrench fasten protection cover with screws D767 Torque screws to 1 85 N m 1 36 lbf ft W Warning Calibration of sensor output in vehicle software is mandatory after sensor replaceme...

Страница 53: ...250 3 Remove the control module and gasket D150 and discard the gasket 4 Install a new gasket D150 5 Ensure assembly fixture is positioned over the linkage spring in EDC center 6 Position the control on the pump housing and ensure that feedback pin on swashplate is positioned properly in control arm Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Minor Repair Danfoss June 2020 AX15288...

Страница 54: ...l hex wrench fasten control to pump with screws D250 10 Torque screws to 13 3 N m 9 8 lbf ft following torque sequence shown 1 2 3 6 5 4 Torque sequence 6 screw control D065 For proper neutral adjustment procedure refer to Control Neutral Adjustment on page 41 topic W Warning Calibration of sensor output in vehicle software is mandatory after sensor replacement because output signal can vary from ...

Страница 55: ...m 9 8 lbf ft 2 5 Nm 1 8 lbf ft D674 D672 1 Disconnect and remove wiring D640 2 Fabricate a special tool to remove two plastic plugs D610 See drawing below for tool dimensions Special tool Plug P108 021E Ø 1 7 mm x3 Ø 9 22 mm 45 deg Ø 14 mm 3 Push down on plug and turn 45 degrees counterclockwise 4 Discard plugs Wax seals will be destroyed when the plugs are removed Service Manual H1P 045 053 060 0...

Страница 56: ...d into control Do not remove them 8 If necessary remove orifices F00A F00B using a 3 mm internal hex Tag and number the orifices for reinstallation 9 If it is necessary to remove the screens drill out screen retention ring D098 Drill Out Retention Ring Screen Retention Ring P108 022E Note screen orientation for reassembly 10 Remove and discard screen D084 Service Manual H1P 045 053 060 068 Axial P...

Страница 57: ...een orientation D084 D084 Incorrect screen orientation Correct screen orientation D098 3 If previously removed install orifices using a 3 mm internal hex wrench and torque to 2 5 N m 1 8 lbf ft 4 Install a new gasket D150 5 Install the control module and six cap screws D250 6 Using a 5 mm internal hex wrench torque the cap screws D250 to 13 3 N m 9 8 lbf ft Torque sequence 2 3 4 5 6 1 7 Connect wi...

Страница 58: ...the cylinder block C Caution Do not damage the housing bore shaft or bearing when removing the shaft and shaft seal 6 Remove the retaining ring J200 using retaining ring pliers Press the bearing off the shaft 7 Inspect the shaft journals for wear scratching and pits 8 Check the splines for fretting replace if damaged 9 Rotate the bearing if it does not rotate smoothly replace it 10 Press the beari...

Страница 59: ...otective sleeve while installing the seal carrier 17 Hand press the seal carrier into the housing 18 Ensure the seal carrier clears the spiral ring groove in the housing 19 Remove the protective sleeve 20 Wind the spiral ring into the housing 21 Ensure the inside diameter of the spiral ring is greater than 68 mm 2 677 in after installation Service Manual H1P 045 053 060 068 Axial Piston Single Pum...

Страница 60: ...onents gearset outer ring valve and pressure balance plates as a kit Charge pump removal installation E101 406E K500 S100 S300 S200 K200 K150 K400 8 mm K100 S300 S250 G450 G450 1 Remove end cover auxiliary pad screws K400 using a 8 mm internal hex wrench Alignment pins G450 are in the end cover They may dislodge during disassembly Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Minor ...

Страница 61: ...late S250 in the same orientation as removed 12 Lubricate and install charge pump S100 and outer ring S150 13 Install charge pump coupling K200 14 Install pressure balance plate S200 in the same orientation as removed 15 Install the thrust washer K500 coated side goes toward charge pump coupling K200 16 Install a new cover gasket K150 17 If removed install guide pins K450 18 Install the auxiliary ...

Страница 62: ... see table K250 Cover Screw K350 Aux Cover Pad Cover Pad A Cover Pad B Wrench size and torque 17 mm 48 N m 35 lbf ft 18 mm 77 N m 58 lbf ft Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Minor Repair 62 Danfoss June 2020 AX152886481964en 000405 ...

Страница 63: ...he O rings L060 and backup rings L068 5 Lubricate and install new backup rings L068 and O rings L060 6 Install HPRVs and torque to the value in the table Frame size Wrench size Torque 069 078 089 100 22 mm 70 N m 52 lbf ft 115 130 147 165 210 250 30 mm 110 N m 81 lbf ft 7 Operate the vehicle machine through full range of controls to ensure proper operation 8 Check for leaks Service Manual H1P 045 ...

Страница 64: ...010 2 Discard a seal V024 3 Inspect the sealing surfaces of the pump for nicks or scratches 4 Lubricate and install the new seal V024 5 Install the charge pressure relief valve and torque to 52 N m 38 lbf ft 6 Operate vehicle machine through full range of controls to ensure proper operation See Charge Pressure Relief Valve Adjustment for adjustment instructions Service Manual H1P 045 053 060 068 A...

Страница 65: ...new O ring O ring is available separately 4 Lubricate O ring with petroleum jelly 5 Replace pressure limiter valve and torque to the value in the table below Frame size Wrench size Torque 069 078 089 100 115 130 147 165 22 mm 70 N m 52 lbf ft 210 250 24 mm 70 N m 52 lbf ft 6 Operate pump at full range of controls to ensure proper machine operation See Pressure Limiter Adjustment on page 37 for adj...

Страница 66: ...ing nut V10 Charge pressure cartridge L200 High pressure relief valve L100 High pressure relief valve K400 Rear cover auxiliary pad mounting bolt K350 Rear cover mounting bolt Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Torque Chart 66 Danfoss June 2020 AX152886481964en 000405 ...

Страница 67: ...O ring plug 7 16 20 B020 O ring plug 1 1 16 12 G300 O ring plug 9 16 18 L010 Pressure limiter adjusting screw L024 Pressure limiter locking nut L300 L400 Pressure limiter cartridge B020 O ring plug 1 1 16 12 G302 O ring plug 9 16 18 M14 O ring plug 7 16 20 P106 349E Service Manual H1P 045 053 060 068 Axial Piston Single Pumps Torque Chart Danfoss June 2020 AX152886481964en 000405 67 ...

Страница 68: ...t screw 8 mm NA L300 L400 Pressure limiter cartridge 14 mm 30 N m 22 lbf ft L024 Pressure limiter locking nut 14 mm 20 N m 15 lbf ft L100 L200 High pressure relief valve 22 mm 70 N m 52 lbf ft V10 Charge pressure cartridge 22 mm 52 N m 38 lbf ft V020 Charge pressure adjusting screw 4 mm internal hex NA V022 Charge pressure locking nut 13 mm 12 N m 9 lbf ft Plug Size and Torque Chart Item O ring pl...

Страница 69: ...enmark Phone 45 7488 2222 Danfoss Power Solutions US Company 2800 East 13th Street Ames IA 50010 USA Phone 1 515 239 6000 Danfoss Power Solutions Trading Shanghai Co Ltd Building 22 No 1000 Jin Hai Rd Jin Qiao Pudong New District Shanghai China 201206 Phone 86 21 2080 6201 Danfoss can accept no responsibility for possible errors in catalogues brochures and other printed material Danfoss reserves t...

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