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OilGear PVM-011, Service Instructions Manual, Page: 10 / 64

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10

THE OILGEAR COMPANY

Bulletin 947070-B

Table shows the orifice plugs OP2 (item 68).

*  Pumps delivered from the factory are equipped with the standard application orifice unless specified for high temperature 

or thin oil.

Table 4. PVM Stability Orifice Sizing

Unit

Application

Standard 

Orifice Size*

Oilgear Part Number

PVM-011
PVM-014
PVM-022

Standard (fluid viscosity of 100 SSU or 

greater)

0.032 dia.

240971-018

High Temperature or thin oil (fluid 

viscosity less than 100 SSU)

0.040 dia.

240971-002

PVM-025
PVM-034
PVM-046
PVM-065
PVM-075

Standard (fluid viscosity of 100 SSU or 

greater)

0.047 dia.

240971-022

High Temperature or thin oil (fluid 

viscosity less than 100 SSU)

0.062 dia.

240971-003

PVM-064
PVM-076
PVM-098
PVM-130

Standard (fluid viscosity of 100 SSU or 

greater)

0.062 dia.

240971-003

High Temperature or thin oil (fluid 

viscosity less than 100 SSU)

0.076 dia.

240971-004

Summary of Contents for PVM-011

Page 1: ...n satisfactory performance reduce shut down and increase the pump s service life Some pumps have been modified from those described in this bulletin and other changes may be made without notice REFERE...

Page 2: ...ease contact us if you have any questions regarding the information in this instruction bulletin The cleanliness of working on this pump or the hydraulic system is extremely important to the safety an...

Page 3: ...ntact Oilgear for assistance when required Hydraulic cylinders can be holding a function in a certain position when thepump is OFF An example of this is a function being held in the lift or partial li...

Page 4: ...ed Failure to follow this procedure can result in serious injury or death Any Oilgear pump safety decals must be replaced anytime they are damaged missing or cannot be read clearly Failure to have pro...

Page 5: ...id level Make provisions for opening this line without draining siphoning reservoir Vertical Mounting Refer to referenced Oilgear Installation of Vertically Mounted Axial Piston Units Bulletin 90014 R...

Page 6: ...FILLING AND STARTING RECOMMENDATIONS Refer to instruction plate on the unit reservoir machine and or reference Fluid Recommendations bulletin Fire resistant fluids and phosphate ester fluids can be u...

Page 7: ...psi 1 7 bar For higher pressure consult factory Higher speeds available consult factory Table 2 All data is for ISO 46 mineral based oil at 125 F 160 SSU NOTE UNIT THEORETICAL MAXIMUM DISPLACEMENT RA...

Page 8: ...nspect components Replace Swashblock saddle bearings 30 worn or damaged Control piston 19 or sequence spool 54 binding in bore Control piston spring 20 broken sequence valve spool spring 53 broken Ins...

Page 9: ...started incorrectly under load Verify operation procedure of pump Low fluid level in reservoir or insufficient supercharge causing cavitation Verify fluid level and or supercharge Air entering hydrau...

Page 10: ...022 Standard fluid viscosity of 100 SSU or greater 0 032 dia 240971 018 High Temperature or thin oil fluid viscosity less than 100 SSU 0 040 dia 240971 002 PVM 025 PVM 034 PVM 046 PVM 065 PVM 075 Sta...

Page 11: ...ns the splined cylinder 38 which contains the pumping pistons 39 When the cylinder rotates the pistons move in and out within their bores as the shoes ride against the angled swashblock 29 As the cyli...

Page 12: ...2 THE OILGEAR COMPANY Bulletin 947070 B Figure 3 Full Stroke Operation 3 1 PC Control Cartridge 3 2 Stability Orifice 3 3 Into Case LS P HP RP S 3 1 3 2 3 3 68 54 19 31 29 39 38 OILG0119 C D 20 OUT IN...

Page 13: ...commodated for in the mentioned operational mode When pump outlet pressure decreases below the preset pressure setting of the PC Control Cartridge the PC Control Cartridge closes The sequence spool sp...

Page 14: ...t of the remote pressure control valve to the HP port will result in significantly higher case drain leakage The RP lines of multiple pumps cannot be tied together for unloading or controlling with a...

Page 15: ...e port as previously described The standard load sense port should be plugged with an SAE 4 plug Adjustable Load Sense control requires the load sense line pressure signal from downstream of an orific...

Page 16: ...ed off feature This cartridge internally vents load sensing pressure to case via an orifice in the cartridge and the sequence spool when the control is not active or the system is shutdown Electronic...

Page 17: ...does not become critical until it impairs performance DISASSEMBLY Refer to Figures 9 through 15 for your series of pump The cleanliness of working on this pump or the hydraulic system is extremely im...

Page 18: ...be necessary to remove that unit and O ring 59 If thru shaft convertible cover 63 is used remove the socket head cap screws 64 and O ring 62 Also remove screw 61 and thru shaft coupling spacer 60 Do n...

Page 19: ...B PVM 025 cipm 75 0 115 0 185 0 270 0 360 0 lpm 1 23 1 88 3 03 4 42 5 90 SAE B PVM 034 cipm 70 0 105 0 175 0 255 0 340 0 lpm 1 15 1 72 2 87 4 18 5 57 SAE B PVM 046 cipm 70 0 105 0 180 0 280 0 365 0 l...

Page 20: ...ylinder bearing 35 and roll pins if necessary from the housing 025 034 046 064 065 075 076 098 130 5 Remove the hydro bearing retaining ring 37 6 Remove socket head screw 36 and lock washer 5 7 Pull h...

Page 21: ...and safety shoes Serious injury can result without proper protective gear CONTROL GROUP Be sure to carefully check control piston spring 20 for cracks and or signs of excessive wear make sure it does...

Page 22: ...mm when worn SWASHBLOCK GROUP Inspect the swashblock 29 for wear and scoring If defects are minor stone the swashblock lightly If damage is extensive replace the swashblock Be sure to stone lightly A...

Page 23: ...push the swashblock 29 against the saddle bearing Visually be sure the holes to receive the driveshaft are aligned with the center of the hole in the pump housing for the driveshaft 4 Place housing co...

Page 24: ...ontrol sequence spool 54 into its bore in the valve plate 4 Place sequence valve spool spring 53 into the counter bore of the control sequence valve and secure by screwing the sequence valve spool plu...

Page 25: ...PVM 046 PVM 065 PVM 075 Valve Plate Screws items 50 and 56 75 ft lb 102 N m 10mm Internal Hex Housing Cover Screws item 34 220 in lb 25 N m 6mm Internal Hex Control End Plugs items 17 and 73 350 ft lb...

Page 26: ...0 52 904 90 905 90 906 90 PVM 011 014 022 PVM 025 034 046 065 075 PVM 064 076 098 130 59 042 70 042 70 155 70 042 70 155 70 049 70 PVM 011 014 022 to SAE A Tandem PVM 025 034 046 065 075 to SAE A Tand...

Page 27: ...g Flow Reversing 9 2 O Ring 10 2 O Ring 11 4 Ring Backup 12 2 Pin Roll 13 1 O Ring 14 2 O Ring 15 1 Plug 16 1 O Ring 17 2 Plug Control End w o Volume Stop 18 2 O Ring 19 1 Piston Control 20 1 Spring C...

Page 28: ...e differences are shown ROTATING GROUP ASSEMBLY 38 1 Barrel Cylinder 39 Assembly Piston Shoe c 40 1 Retainer Shoe 41 1 Ball Fulcrum 42 1 Spring Shoe Retainer SWASHBLOCK ASSEMBLY GROUP 29 1 Swashblock...

Page 29: ...28 1 Retaining Ring Bearing VALVE PLATE ASSEMBLY GROUP 3 Plug c 4 O Ring c 43 1 Port Plate 44 1 Pin Dowel 45 1 Valve Plate 46 1 Plug 47 1 O Ring 48 3 Plug 49 3 O Ring 50 3 Screw Socket Head 51 1 Plug...

Page 30: ...11 21A 22 25 26 27 28 9T 16 32 Spline Code S Standard K408362 115 21E 25 26 27 28 13T 16 32 Spline Code C Standard K408362 117 21G 25 26 27 28 3 4 Dia Keyed Code Y T S K408362 114 21D 23 25 26 27 28 7...

Page 31: ...iton Seals K519095 120 13 14 2 45A 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 Skydrol EPR Seals K519095 121 13 14 2 45A 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 PVM 022 Side Port Standard Nitrile Seal...

Page 32: ...3 14 2 45F 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 High Temp Viton Seals K519095 153 13 14 2 45F 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 Skydrol EPR Seals K519095 154 13 14 2 45F 46 47 48 3 49 3 5...

Page 33: ...d Nitrile Seals L319990 111 57A 58 2 59 78 2 79 2 High Temp Viton Seals L319990 114 57A 58 2 59 78 2 79 2 Skydrol EPR Seals L319990 117 57A 58 2 59 78 2 79 2 SAE AA Adaptor Kit Standard Nitrile Seals...

Page 34: ...7 2 94 24 VDC Coil 320067 011 85 86 87 2 94 Electronic Inverse Proportional Pressure Compensator Cartridge 12 VDC Coil 320067 008 85 86 87 2 94 24 VDC Coil 320067 012 85 86 87 2 94 Load Sense Cartridg...

Page 35: ...Keyed Code Y T S K408362 202 21D 23 25 26 27 28 1 00 Dia Keyed Code B T S K408362 206 21B 22 25 26 27 28 13T 16 32 Spline Code S T S K408362 204 21F 25 26 27 28 15T 16 32 Spline Code C T S K408362 208...

Page 36: ...4 56 68 69 High Temp Viton Seals K519095 220 13 14 2 45B 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 Skydrol EPR Seals K519095 221 13 14 2 45B 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 PVM 034 Flange Si...

Page 37: ...14 2 45E 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 Skydrol EPR Seals K519095 254 13 14 2 45E 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 Basic Seal Kit Standard Nitrile Seals L250667 201 4 4 7 3 9 2 10...

Page 38: ...Nitrile Seals L319990 207 57C 58 60 61 62 63 64 4 High Temp Viton Seals L319990 208 57C 58 60 61 62 63 64 4 Skydrol EPR Seals L319990 209 57C 58 60 61 62 63 64 4 SAE A Adaptor Kit Standard Nitrile Se...

Page 39: ...me Stop Standard or High Temp Viton Seals L319987 205 18 70 71 72 73 75 76 Skydrol EPR Seals L319987 206 18 70 71 72 73 75 76 Electronic Proportional Pressure Compensator Cartridge 12 VDC Coil 320067...

Page 40: ...ode C Standard L517104 302 21G 25 26 27 28 1 00 Dia Keyed Code Y T S L517104 303 21B 22 25 26 27 28 13T 16 32 Spline Code S T S L517104 306 21F 25 26 27 28 15T 16 32 Spline Code C T S L517104 304 21H...

Page 41: ...49 3 50 3 51 52 53 54 56 68 69 PVM 075 Flange Side Port Standard Nitrile Seals K519095 276 13 14 2 45D 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 High Temp Viton Seals K519095 277 13 14 2 45D 46 47 48...

Page 42: ...ol EPR Seals 242080 138 62 SAE A Adaptor Standard Nitrile Seals L250667 013 59A 82A High Temp Viton Seals L250667 014 59A 82A Skydrol EPR Seals L250667 015 59A 82A SAE B Adaptor Standard Nitrile Seals...

Page 43: ...le Seals L251640 101 8 9 10 11 2 High Temp Viton Seals L251640 102 8 9 10 11 2 Skydrol EPR Seals L251640 103 8 9 10 11 2 Name Tag Screws All L50921 65 66 2 Pressure Compensator Cartridge Standard or H...

Page 44: ...85 86 87 2 94 Load Sense Cartridge w Internal Bleed Off Standard or High Temp 320067 005 83 88 89 90 Electronic Proportional Override Cartridge Standard or High Temp 320067 006 88 89 90 93 Description...

Page 45: ...K408362 335 21C 23 25 26 27 28 1 1 2 Dia Keyed Code B Standard K408362 331 21A 22 25 26 27 28 14T 12 24 Spline Code S Standard K408362 333 21E 25 26 27 28 17T 12 24 Spline Code C Standard K408362 337...

Page 46: ...3 49 3 50 3 51 52 53 54 56 4 68 69 PVM 098 SAE Rear Port Standard Nitrile Seals K519095 328 3 8 4 8 13 14 2 45A 46 47 48 3 49 3 50 3 51 52 53 54 56 68 69 High Temp Viton Seals K519095 329 3 8 4 8 13 1...

Page 47: ...14 2 45E 46 47 48 3 49 3 50 3 51 52 53 54 56 4 68 69 Housing Kits Standard Nitrile Seals L519064 301 1 3 4 4 4 6 3 7 3 8 2 9 2 10 2 11 4 12 2 24 High Temp Viton Seals L519064 302 1 3 4 4 4 6 3 7 3 8...

Page 48: ...18 24 32 47 49 3 52 92 High Temp Viton Seals L250667 310 4 12 7 3 9 2 10 2 11 4 13 14 2 16 18 24 32 47 49 3 52 92 Skydrol EPR Seals L250667 311 4 12 7 3 9 2 10 2 11 4 13 14 2 16 18 24 32 47 49 3 52 9...

Page 49: ...Standard Nitrile Seals L319990 301 57A 59A 78A 2 79A 2 80A 81 4 82A High Temp Viton Seals L319990 302 57A 59A 78A 2 79A 2 80A 81 4 82A Skydrol EPR Seals L319990 303 57A 59A 78A 2 79A 2 80A 81 4 82A SA...

Page 50: ...or Cartridge 12 VDC Coil 320067 007 85 86 87 2 94 24 VDC Coil 320067 011 85 86 87 2 94 Electronic Inverse Proportional Pressure Compensator Cartridge 12 VDC Coil 320067 008 85 86 87 2 94 24 VDC Coil 3...

Page 51: ...39 36 40 41 42 38 43 51 52 53 54 46 47 56 50 68 50 48 49 48 49 69 48 49 50 56 46 47 50 48 49 51 52 53 54 48 49 68 69 48 49 50 56 46 45 45 45 47 51 52 53 54 50 58 60 61 62 63 64 48 49 69 48 49 48 49 6...

Page 52: ...8 11 10 15 16 35 13 37 39 36 40 41 42 38 43 51 52 53 54 46 47 56 50 68 50 48 49 48 49 69 48 49 50 56 46 47 50 48 49 51 52 53 54 48 49 68 69 48 49 50 56 46 45 45 45 47 51 52 53 54 50 58 60 61 62 63 64...

Page 53: ...42 38 13 45 43 39 37 35 40 1 8 9 6 7 6 7 8 9 8 9 10 8 9 8 9 7 7 6 7 6 6 11 3 Shown with optional maximum volume stop 11 4 Left hand rotation configuration shown unloading 11 5 Right hand rotation con...

Page 54: ...0 38 43 21 21 18 66 65 19 20 14 17 72 71 22 22 21 73 76 75 12 13 41 42 18 70 1 4 3 4 3 4 3 8 9 10 11 7 6 7 6 8 9 10 11 15 16 17 18 46 47 46 47 69 69 48 49 50 51 52 52 53 54 51 53 54 45 45 68 56 49 48...

Page 55: ...38 13 43 33 41 35 42 32 39 66 65 45 45 43 45 43 77 57 58 60 61 62 63 64 69 10 11 20 17 18 19 17 18 19 17 18 20 17 18 12 7 Load Sensing Port Install 69 here for standard load sensing option 12 8 Valve...

Page 56: ...Exploded Parts Drawing for PVM 025 034 046 B Frame 519272 201 sheet 3 Thru Shaft Options SAE B TO SAE B SAE B TO SAE A 9T OILG0026C PVM A1 025 034 046 B FRAME PUMP 45 80 81 57 59 82 78 79 78 79 45 82...

Page 57: ...2 13 2 15 2 15 1 1 3 4 6 7 3 4 8 9 10 11 8 5 9 14 6 7 3 4 47 46 47 46 45 45 45 22 75 76 73 28 21A 21G 27 26 21E 25 24 18 18 17 72 30 31 29 12 13 35 32 33 34 71 70 66 65 19 10 11 15 16 36 37 39 40 41...

Page 58: ...5 13 7 13 5 13 4 13 8 13 9 13 3 13 6 13 11 13 10 6 7 46 47 72 71 55 51 52 53 54 31 20 19 36 66 65 13 3 Shown with optional maximum volume stop 13 4 Left hand rotation configuration shown loading 13 5...

Page 59: ...loded Parts Drawing for PVM 065 075 B Frame 519272 202 sheet 3 Thru Shaft Options SAE C TO SAE A 9T SAE C TO SAE B SAE C TO SAE C 78 79 59 78 78 79 79 59 59 81 80 82 57 80 82 57 57 45 45 45 45 80 80 5...

Page 60: ...3 4 3 4 8 9 10 11 35 12 29 31 30 72 71 70 72 71 70 74 18 18 76 75 76 75 73 18 73 17 32 33 34 8 5 9 6 7 4 6 7 54 46 47 46 47 46 52 53 51 54 52 53 54 53 51 52 51 49 68 48 69 56 50 49 48 63 69 69 64 48...

Page 61: ...6 7 5 13 7 13 5 13 4 13 8 13 9 13 3 13 6 13 11 13 10 6 7 46 47 72 71 55 51 52 53 54 31 20 19 36 66 65 14 7 Load Sensing Port Install 69 here for standard load sensing option 14 8 Valve Plate non thru...

Page 62: ...awing for PVM 064 076 098 130 C Frame 519272 302 sheet 3 Thru Shaft Options OILG0028D PVM A2 C FRAME PUMP 45 45 80 57 59 59 59 78 78 78 79 59 78 79 79 78 79 79 59 59 45 45 57 57 45 57 57 82 45 57 82 8...

Page 63: ...e Compensator Control 83 Optional Adjustable Load Sense Cartridge 84 Cavity Plug Used for Standard Load Sense Control or Pressure Compensator Control not used for PVM 011 014 022 93 Pressure Override...

Page 64: ...hey become down time difficulties SERVICE SCHOOLS Oilgear conducts training to train your maintenance personnel General hydraulic or electronic training is conducted at our Milwaukee Wisconsin plant o...

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