Danfoss TMT W FL Repair Instruction
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Danfoss TMT W FL Repair Instruction

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MAKING MODERN LIVING POSSIBLE
Repair Instruction
Orbital Motors
TMT, TMT FL and TMT W FL
powersolutions.danfoss.com

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  • Page 1 MAKING MODERN LIVING POSSIBLE Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL powersolutions.danfoss.com...
  • Page 2 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Revision History Table of Revisions Date Changed Feb 2014 Converted to Danfoss layout - DITA CMS Feb 2013 Minor updates Jan 2011 Pictures, layout, and text Sep 2010 New back cover...

  • Page 3: Table Of Contents

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Contents Special Versions Special Versions....................................5 Cost-free Repairs....................................5 TMT Motor Safety Precautions....................................6 Symbols used in Danfoss Literature............................6 TMT Motor and TMT FL Motor with Brake..........................7 Exploded View TMT TMT........................................
  • Page 4 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Contents Installation of Braking Part Installation of braking part................................. 57 Tools for Disassembly and Reassembly of TMT and TMT FL Motors Tools for Disassembly and Reassembly of TMT and TMT FL Motors................59...

  • Page 5: Special Versions

    Danfoss Hydraulics. Cost-free Repairs We would point out that cost-free repairs as mentioned in Danfoss General Conditions of Sale, are carried out only at Danfoss Nordborg or at service shops authorised by Danfoss. 520L0351 • Rev EA • Feb 2014...

  • Page 6: Tmt Motor

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL TMT Motor Safety Precautions Always consider safety precautions before beginning a service procedure. Protect yourself and others from injury. Take the following general precautions whenever servicing a hydraulic system.

  • Page 7: Tmt Motor And Tmt Fl Motor With Brake

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL TMT Motor The symbols above appear in the illustrations and text of this manual. They are intended to communicate helpful information at the point where it is most useful to the reader.

  • Page 8: Exploded View Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Exploded View TMT 520L0351 • Rev EA • Feb 2014...

  • Page 9: Spare Part List Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT Mounting Flange Module Number Note Item Spare Parts (Metric Version) Code No. Mounting flange with pilot ∅160 mm and BC ∅200 mm 151Z2001 Shaft seal 50×72×8 mm O-ring 125×2 mm...
  • Page 10 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT Mounting Flange Module Number (continued) Note Item Spare Parts (Metric Version) Code No. Shaft seal 1.97×2.83×9,31 in O-ring 4.91×008 in Shaft Module Number Note Item Spare Parts (SAE Version) Code No.

  • Page 11: Exploded View Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Exploded View TMT 520L0351 • Rev EA • Feb 2014...

  • Page 12: Spare Part List Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT Gear Wheel Set Module Number Note Item Spare Parts (Metric Version) Code No. Cardan shaft TMT 250 L = 109 mm 151Z2100 Gearwheel set TMT 250 B = 31.2 mm 1) 2) O-ring 125×2 mm...
  • Page 13 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT Gear Wheel Set Module Number Note Item Spare Parts (SAE Version) Code No. Cardan shaft TMT 250 L = 4.29 in 151Z2100 Gear wheel set TMT 250 B = 1.23 in 1) 2) O-ring 4.92×0.08 in...

  • Page 14: Exploded View Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Exploded View TMT M12.1 151Z42.12 Tightening Torque Item 36: 11.0 - 14.0 Nm [97 - 124 lbf.in] Item 39: 4.5 - 7.5 Nm [40 - 66 lbf.in] Item 37, 38, 61: 100 - 120 Nm [885 - 1060 lbf.in]...

  • Page 15: Spare Part List Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT End Cover Module with Main Port Connection Note Item Spare Parts (Metric Version) Code No. G 3/4 and drain port 151Z2121 G 1/4 Balance plate Back-up ring, 66.6×1 mm 2 pcs.
  • Page 16 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT End Cover Module Number prepared for Flushing Valve (continued) Note Item Spare Parts (Metric Version) Code No. Guide pin 14×5 mm Spacer Main port plug (plastic) 3/4”...
  • Page 17 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT End Cover Module Number prepared for Flushing Valve Note Item Spare Parts (SAE Version) Code No. End cover prepared for flushing valve 151Z2044 port connection 1 1/16-12 UN...

  • Page 18: Exploded View Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Exploded View TMT M12.1 151Z42.12 520L0351 • Rev EA • Feb 2014...

  • Page 19: Spare Part List Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT Flow Restriction Module Number Note Item Spare Parts (Metric Version) Code No. Orifice M6 0.6 151Z2106 Orifice M6 0.7 151Z2107 Orifice M6 0.8 151Z2108 Orifice M6 0.9 151Z2109 Orifice M6 1.0...
  • Page 20 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT Note Item Spare Parts (Metric Version) Code No. TMT 470 M12×160 3 pcs. Note Item Spare Parts (Metric Version) Code No. TMT 630 M12×210 6 pcs.
  • Page 21 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT Bolt Module Number, Standard Motors Note Item Spare Parts (SAE Version) Code No. TMT 250 M12×7.09 6 pcs. 151Z2080 TMT 250 M12×5.51 3 pcs. Note...

  • Page 22: Exploded View Tmt Fl

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Exploded View TMT FL TMT FL 151z14.12 Tightening Torque Item 43: 7.5 - 10.5 Nm [66 - 93 lbf.in] Item 48: 25 - 35 Nm [220 - 310 lbf.in]...

  • Page 23: Spare Part List Tmt Fl

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT FL Mounting Flange Module Number Note Item Spare Parts (Metric Version) Code No. Mounting flange with spigot diam ∅180 mm and BC ∅224 mm 151Z2026 Shaft seal 50×72×8 mm...
  • Page 24 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT FL Note Item Spare Parts (SAE Version) Code No. Shaft seal 1.97×2.83×0.31 in Stopring Bearing Brake Screw M6×0.98 8 pcs. O-ring 6.74×0.10 in Plug 7/16-20 UNF...

  • Page 25: Exploded View Tmt Fl

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Exploded View TMT FL TMT FL 151Z15.13 Tightening Torque Item 43: 7.5 - 10.5 Nm [66 - 93 lbf.in] Item 48: 65 - 35 Nm [575 - 750 lbf.in]...

  • Page 26: Spare Part List Tmt Fl

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT FL Brake Module Number, Standard Note Item Spare Parts (Metric Version) Code No. Outer disc 7 pcs. 151Z2023 Inner disc 6 pcs. Shaft seal 50×72×8 mm O-ring 55×3 mm...
  • Page 27 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT FL Brake Module Number, Standard (continued) Note Item Spare Parts (SAE Version) Code No. Disc spring Brake Module Number with Back Pressure Note Item Spare Parts (SAE Version) Code No.

  • Page 28: Exploded View Tmt Fl

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Exploded View TMT FL TMT FL 151Z44.12 520L0351 • Rev EA • Feb 2014...

  • Page 29: Spare Part List Tmt Fl

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT FL Set of Seals and Set of Brake Disc Code No. Seal set TMT incl. items 2, 3, 22, 23, 24, 25, 35 151B0176 Seal set TMT FL incl. items 2, 3, 22, 23, 24, 25, 35, 44, 52, 57 151Z2059 Set of brake disc incl.
  • Page 30 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Spare Part List TMT FL Motor Flange Module (continued) Note Item (SAE Version) Code No. Screw M10×30 mm 8 pcs. Set of Seals and Set of Brake Disc Code No.

  • Page 31: Tmt Disassembly

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL TMT Disassembly TMT disassembly 1. Fix motor in holding tool SJ 150B9000-2. 2. To ensure correct assembly/location of motor parts, provide identification marks. 3. With an 18 mm key, loosen the nine bolts (37 and 38) in end cover.
  • Page 32 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL TMT Disassembly 5. Lift end cover (30). 6. Separate disc valve (20) from valve drive (18). 7. Remove valve drive (18) and stop ring (19) from channel plate (17).
  • Page 33 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL TMT Disassembly 8. Remove the three guide pins (16) from channel plate (17). 9. Separate channel plate (17) from gear wheel set (15). 10. Take out gear wheel set (15).
  • Page 34 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL TMT Disassembly Warning Note that the rollers in the gear wheel set can fall out! 11. Separate cardan shaft (14) from output shaft (11). 12. Take out motor flange (13) from bearing housing (1 or 4).
  • Page 35 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL TMT Disassembly 14. With tool SJ 150B5000-1, push shaft seal (2) out of bearing housing. 520L0351 • Rev EA • Feb 2014...

  • Page 36: Disassembly And Assembly Of The End Cover

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly and Assembly of the End Cover Disassembly of the end cover 1. Remove spacer (28) from end cover. 2. With a screwdriver through the connection port, separate balance plate (21) from end cover.
  • Page 37 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly and Assembly of the End Cover 5. With an Allen key (5 mm), remove plug (36) and flushing valve parts from flushing valve. 6. Flushing valve parts: 7. Install flushing valve and tighten plug with a torque of 12.5 ±1.5 Nm [110.63 ±13.28 lbf·in].

  • Page 38: Disassembly Of Seals On Balance Plate

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly and Assembly of the End Cover Disassembly of Seals on Balance Plate Remove O-ring (23) and backup rings (22) from balance plate. Warning Cannot be done without damaging it...

  • Page 39: Installation Of Seals On Balance Plate

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly and Assembly of the End Cover Installation of Seals on Balance Plate P301 313 Mount the two backup rings (22). Note that the backup rings are moulded and must therefore be correctly positioned.

  • Page 40: Installation Of Seals In End Cover

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly and Assembly of the End Cover Installation of Seals in End Cover P301 313 1. Remove backup ring (24). Warning Cannot be done without damaging it As shown on the photo, the backup ring is located on the top.

  • Page 41: Assembly Of End Cover

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly and Assembly of the End Cover Assembly of end cover 1. Mount O-ring (25) beneath the backup ring. 2. Mount orifice (39) in end cover and tighten with a torque of 6 ±1.5 Nm [53.10 ±13.28 lbf·in] 3.
  • Page 42 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly and Assembly of the End Cover 4. Fit balance plate into end cover and press in (if so required, use the hydraulic press). Make sure that the balance plate is still springy.

  • Page 43: Assembly Of Tmt

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT Assembly of TMT 1. Place shaft seal (2) on tool SJ 151B5000-1. 2. Fix bearing housing in a hydraulic press and push shaft seal into bearing housing.
  • Page 44 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT Warning Motor flange for TMT 250 - 470 and TMT 500 - 630 are different. Remember new O-rings! 5. Install cardan shaft (14) into splines of output shaft 6.
  • Page 45 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT 7. Install gear wheel set (15) (use marks to ensure alignment) Remember a new O-ring! 8. Fit channel plate (17) onto gear wheel set (use marks to ensure alignment).
  • Page 46 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT 10. Install drive shaft (18) in gear wheel splines. Fix valve drive with stop ring (19). 11. Put distributor valve (20) onto drive shaft. Make sure that the motor is correctly timed (see the sketch, page 30).
  • Page 47 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT If so required, fix spacer with Vaseline. Use marks to ensure alignment. 13. Mount the 3 short bolts (38) in the right holes and mount 6 long bolts (37).

  • Page 48: Disassembly Of Tmt Fl (Brake Motor)

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly of TMT FL (Brake Motor) Disassembly of TMT FL (Brake Motor) To disassemble TMT FL follow the same instructions as for TMT until you get to the brake part.
  • Page 49 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly of TMT FL (Brake Motor) 4. With tool SJ 151B5000-2, lift brake piston out of housing (58). 5. Remove the multiple brake discs (50 and 51). Outer disc (7 pcs.)
  • Page 50 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly of TMT FL (Brake Motor) Inner disc (6 pcs.) 6. Unfasten the 8 bolts (43). 7. Lift out retainer ring (42). 8. Fix bearing housing in the hydraulic press and push shaft with bearings out of housing.
  • Page 51 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Disassembly of TMT FL (Brake Motor) 9. With tool SJ 151B5000-1, push shaft seal (2) out of housing. 520L0351 • Rev EA • Feb 2014...

  • Page 52: Assembly Of Tmt Fl (Brake Motor)

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT FL (Brake Motor) Assembly of TMT FL 1. With tool SJ 151B5000-1, press a new shaft seal into bearing housing. Grease shaft seal with fat before installation.
  • Page 53 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT FL (Brake Motor) 5. Install retainer ring (42). 6. Fix retainer ring with 8 bolts (43) and tighten with a torque of 9 ±1.5 Nm [79.66 ±13.28 lbf·in].
  • Page 54 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Assembly of TMT FL (Brake Motor) 520L0351 • Rev EA • Feb 2014...

  • Page 55: The Brake Piston

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL The Brake Piston The Standard Brake Piston There are two types of brake pistons: A standard brake piston, and a backpressure brake piston. 1. With tool SJ 151B5000-1, push shaft seal (2) out of brake piston.
  • Page 56 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL The Brake Piston 3. After installation of the shaft seal, fix it with a retainer ring (56). 4. Mount the four bolts (55) and tighten with 9 ±1.5 Nm [79.66 ±13.28 lbf·in].

  • Page 57: Installation Of Braking Part

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Installation of Braking Part Installation of braking part 1. Install the multiple disc brake, starting with the external multiple discs. Install seven external (51) and six internal (50) multiple discs.
  • Page 58 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Installation of Braking Part 4. Mount the motor flange (59) and tighten with a torque of 75±10 Nm [663.81 ±117.54 lbf·in]. Warning Motor flange for TMT 250 - 470 and TMT 500 - 630 are different.

  • Page 59: Tools For Disassembly And Reassembly Of Tmt And Tmt Fl Motors

    Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Tools for Disassembly and Reassembly of TMT and TMT FL Motors Tools for Disassembly and Reassembly of TMT and TMT FL Motors 1. Holding tool SJ 151B9000-2. 2. Holding plate SJ 151B5000-4 (for installation on holding tool).
  • Page 60 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Tools for Disassembly and Reassembly of TMT and TMT FL Motors 5. Mandrel SJ 151B9000-11/13 for installation of shaft with bearings. 6. Tool for gamma-ring 151Z9001. 7. Holding tool for TMT W FL 151Z9002.
  • Page 61 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL Tools for Disassembly and Reassembly of TMT and TMT FL Motors 520L0351 • Rev EA • Feb 2014...
  • Page 62 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL 520L0351 • Rev EA • Feb 2014...
  • Page 63 Repair Instruction Orbital Motors TMT, TMT FL and TMT W FL 520L0351 • Rev EA • Feb 2014...
  • Page 64 Phone: +86 21 3418 5200 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.

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