Eaton 220 Service Manual
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Eaton 220 Service Manual

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220 Piston pump
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AEC 018

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Summary of Contents for Eaton 220

  • Page 1 220 Piston pump Service manual AEC 018...
  • Page 2 EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 3: Table Of Contents

    Assembly torque values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 4: Parts Identification

    Plug (diagnostic ports) See table 12 Plug (bottom, top and side case drain ports) l Standard Seal Kit: 6045557-001 u Adjustable Maximum Displacement Volume Stop Kit: 6045558-001  Shaft bearing Shim Kit: 6045559-001 EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 5 16133-10 O-ring u (adjustable maximum stop option) 104166-010 O-ring (housing endcover interface) l Standard Seal Kit: 6045557-001 u Adjustable Maximum Displacement Volume Stop Kit: 6045558-001  Shaft bearing Shim Kit: 6045559-001 EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 6: Exploded Assembly

    Exploded assembly EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 7: Optional Assembly

    Optional assembly Electronic displacement control option EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 8 Optional assembly Feedback sensor option Adjustable maximum stop option EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 9: Typical Cross Section

    Typical cross section Side view EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 10: Drive Shaft & Key

    Shaft, drive, 22.2 dia. straight key, 32 mm ext. 4992730-006 6042918-002 Shaft, drive, 15.85 dia. straight key, 32 mm ext. 6042918-001 Shaft, drive, input 11 tooth 16/32, 38 mm ext. 931217 6042711-001 Shaft, drive,dia. 16.66,Taper 1:8, 39.7 mm ext. EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 11: End Cover

    Endcover S/A, side port (O-ring port), Steering and Hitch port 6042929-003 Endcover S/A, side port metric 6042929-002 Endcover S/A, side port (SAE 4 bolt flange port) Thru-drive Side ported Rear ported EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 12: Valve Plate & Housing

    Valve plate, RH 6043673-003 Valve plate, LH Table 4. Housing (Item 8) Code position 29, 30 Part number Description AB,AE 6042052-001 Housing (Swash sensor) 6042052-005 Housing metric 6042052-004 Housing top drain 6042052-003 Housing EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 13: Swash Plate, Rotating Groups & Shaft Seals

    4, 5, 6 Part number Description 70111-692 Rotating group S/A 18cc Table 7. Shaft seals (Item 17) Code position 4, 5, 6 Part number Description 6029192-001 Seal, shaft, fluorocarbon, SAE A EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 14: Compensator Kits - Factory Set

    206.8-213.7 Bar [3000-3100 lbf/in No flow comp. setting 9900512-016 275.8-282.7 Bar [4000-4100 lbf/in No flow comp. setting 9900512-009 306.8-313.7 Bar [4450-4550 lbf/in No flow comp. setting 9900512-004 22 4X Torque 8.2 ± 0.8 Nm EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 15: Compensator Mounting Screws, Control Piston & Plug, Adjustable Volume Stop

    Piston, control AT, AY 6039060-001 Piston, control EDC Table 11. Plug, adjustable volume stop (Item 24) Code position 24, 25 Part number Description 6042595-002 Plug 02, 03, 04, 05 6042595-001 Adj. displacement EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 16: Plug Sub-Assemblies, Coupler & Cover Plate

    Plug (diagnostic ports) M12 X 1.5 Thd. Table 13. Coupler (Item 42) Code position 26, 27 Part number Description Table 14. Cover plate (Item 49) Code position 26, 27 Part number Description EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 17: Hex Head Cap Screw (Cover Plate), Cold Start Manifold (Destroke) & Electronic Displacement Control S/A

    Part number Description 22 4X Torque 8.2 ± 0.8 Nm Table 17. Electronic displacement control S/A (Item 56) Code position 14,15 Part number Description 6041219-003 EDC, EP type 6041167-003 EDC, EPD type EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 18: 220 Mobile Piston Pump Repair

    220 Mobile piston pump repair Cut section EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 19: General Information

    4 mm Allen wrench • 3/32" Allen wrench • Impact driver • Slide hammer for • bearing removal Dial indicator and • accessories Marker or paint pen • Petroleum jelly • Cleaning solvent • EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 20: Pump Repair

    6. Remove valve plate 7. Remove bearing race the bearing race is pressed in and will require the use of a sliding bearing removal hammer or similar tool to remove it. 8. Remove bearing EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 21 14. Remove shaft remove shaft retainer tool and lift out shaft. Use caution when moving shaft through shaft seal. 13. Remove rotating group 16. Remove swashplate retainer 15. Remove swashplate locator EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 22 23. Remove front bearing race are asymmetrical. Note: proper orientation shown in picture. 24. Remove shaft seal with the seal retaining ring removed use a punch or similar tool to knock out the shaft seal. EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 23: Inspection, Repair And Part Replacement

    Between Piston Shoes (9) ± 0.001” Shoe Piston Shoe face rides on swash plate. Shoe must swivel smoothly on ball. End play must not exceed 0.005 inch. Movement up to 0.005” EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 24 Replace, if defective. cracks and erosion. Replace any part that is in If the bearing needs to be replaced, the bearing race questionable condition. also requires replacement. EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 25 5. Finish the assembly of the 3. Assemble the housing pump. (without interface 0-ring seals), shaft bearings, shaft and end cover. Install the end cover cap screws and torque to 61±6.1 Nm. EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 26: Assembly

    Note: The cradle bearings are asymmetrical. Install as shown in picture. 5. Install bias spring 6. Install swashplate Note: With the bias spring in place, tilt the swash plate toward the 7. Install control piston spring and install the swash plate. EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 27 11. Install shaft retainer tool Caution: Use care while inserting shaft end through shaft seal. 12. Install the rotating group 13. Remove swashplate locator 14. Remove swashplate retainer 15. Install O-ring seal EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 28: 22. Testing

    Note: Ensure correct orientation. Use caution so valve plate does not fall off. 22. Testing Perform functional test on pump according to Eaton test procedure. Contact your area sales manager for more information. EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...

  • Page 29: Assembly Torque Values

    4X Torque 6.5±0.6 Nm 2X Torque 15±1.5 Nm Steel side of valve plate must face endcover Feedback sensor option Torque 3±0.3 Nm 2X Torque 3±0.3 Nm Torque 4±0.4 Nm Scale 1/1 EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 30 Assembly torque values Instructions Adjustable maximum stop option Torque Torque 27 ± 2.7Nm 92+/-5Nm after adjusting displacement Cold start manifold (Destroke) 22 4X Torque 8.2 ± 0.8 Nm EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 31 Notes EATON 220 Piston Pump Service Manual E-SRSR-RR002-E August 2019...
  • Page 32 Tel: +41 (0) 21 811 4600 200335 China Fax: 952-294-7722 Fax: +41 (0) 21 811 4601 Tel: (+86 21) 5200 0099 www .eaton .com/hydraulics Fax: (+86 21) 2230 7240 © 2019 Eaton All Rights Reserved Printed in USA Document No . E-SRSR-RR002-E...

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