Related Manuals for Danfoss TMM 070
Summary of Contents for Danfoss TMM 070
- Page 1 MAKING MODERN LIVING POSSIBLE Service Manual Transit Mixer Axial Piston Motor Size 070/084/089 powersolutions.danfoss.com...
- Page 2 TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Revision history Table of revisions Date Changed Apr 2014 Converted to Danfoss layout – DITA CMS 10 Aug. 2012 New TMM image 15 Feb. 2012 First edition L1211037 • Rev AC • Apr 2014...
-
Page 3: Table Of Contents
TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Contents Reference literature Introduction Overview......................................6 Warranty......................................6 Symbols used in Danfoss literature............................6 General instructions..................................6 Remove the unit..................................6 Keep it clean....................................7 Replace all O-rings and gaskets............................. 7 Secure the unit..................................... 7 Safety precautions....................................7... - Page 4 Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Contents Minor Repair Standard procedures, removing the motor......................... 23 Disassembly....................................23 Inspection....................................23 Reassembly....................................23 Shaft Seal Replacement................................24 Removal......................................24 Inspection....................................24 Reassembly....................................24 High Pressure Relief Valves (HPRV)............................24 Removal......................................24 Inspection....................................24 Reassembly....................................25 Loop Flushing Relief Valve................................25 Removal......................................25 Inspection....................................25...
-
Page 5: Reference Literature
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Reference literature Further available literature Description Order number Series TM Transit Mixer Axial Piston Motor, Size 070/084/089; Technical Information L1108123 Speed and Temperature Sensor; Technical Information 11046759 Hydraulic Fluids and Lubricants, Technical Information 520L0463 Design Guideline for Hydraulic Fluid Cleanliness, Technical Information 520L0467... -
Page 6: Introduction
A worldwide network of Danfoss Authorized Service Centers is available for major repairs. Danfoss trains and certifies Authorized Service Centers on a regular basis. You can locate your nearest Authorized Service Center using the distributor locator at www.danfoss.com. -
Page 7: Keep It Clean
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Introduction Keep it clean Cleanliness is a primary means of assuring satisfactory motor life on both new and repaired units. Clean the outside of the motor thoroughly before disassembly. Take care to avoid contamination of the system ports. -
Page 8: Personal Safety
Always dispose of used hydraulic fluid according to state and federal environmental regulations. Design Danfoss fixed displacement motor (TMM) is designed to convert an input of hydraulic power into an output torque. It operates in the reverse manner of the pump. -
Page 9: Case Drain And Heat Exchanger
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Introduction Case drain and heat exchanger The pump and motor require case drain lines to remove hot fluid from the system. The pump and motor drain from the topmost port to ensure the cases remain full of fluid. The motor case drain can connect to the lower drain port on the pump housing or it can tee into the case drain line upstream of the heat exchanger. -
Page 10: Operation
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Operation High pressure relief valve (HPRV) and check valve The TM Motors are optionally equipped with a combination high pressure relief and check valve. The high-pressure relief function is a dissipative pressure control valve for the purpose of limiting excessive system pressures. -
Page 11: Loop Flushing Relief Valve
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Operation Loop flushing shuttle valve section Schematic Loop Flushing Relief Valve Loop Flushing Shuttle Spool Loop flushing relief valve The loop flushing relief valve is incorporated into all TMM motors. Use the loop flushing option in Installations that require fluid to be removed from the low pressure side of the system circuit due to cooling requirements and also used to facilitate the removal of contaminants from the loop. -
Page 12: Operating Parameters
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Operating parameters Overview This section defines the operating parameters and limitations for TM Motors with regard to output speeds and pressures. For actual parameters, refer to the operating parameters for each displacement. Output speed Minimum speed is the lowest output speed. -
Page 13: Temperature And Viscosity
16 °C [30 °F] above the pour point of the hydraulic fluid. Minimum temperature relates to the physical properties of component materials. Size heat exchangers to keep the fluid within these limits. Danfoss recommends testing to verify that these temperature limits are not exceeded. Viscosity For maximum efficiency and bearing life, ensure the fluid viscosity remains in the recommended range. -
Page 14: Technical Specifications
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Technical Specifications Technical specification Specifications and operating parameters for TMM motors are given here for reference: General specifications Axial piston motor with fixed swashplate design with fixed displacement Design Bi-directional Direction of rotation Main pressure ports: ISO split flange boss Pipe connections... - Page 15 Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Technical Specifications Operating parameters (continued) Features Unit 070 / 084 / 089 Case pressure bar [psi] 3.0 [44] Rated 5.0 [73] Maximum Maximum lip seal external pressure 0.4 [5.8] Fluid specifications Features Unit 070 / 084 / 089...
-
Page 16: Fluid And Filter Maintenance
Dispose of used hydraulic fluid properly. Never reuse hydraulic fluid. Change filters with the fluid or when the filter indicator shows it’s necessary. Replace all fluid lost during filter change. For detailed filtration information, see Danfoss publication Hydraulic Fluids and Lubricants,520L0463. For more information on biodegradable fluids see Danfoss publication Experience with Biodegradable Hydraulic Fluids,520L0465. Warning Hydraulic fluid contains hazardous material. - Page 17 M1, M2 System A/B gauge port 9/16-18 UNF-2B 1/4” internal hex 50 [1000] Flushing gage port Please contact Danfoss for specific installation drawings. Ports dimensions Gauge port M2 Gauge port M1 System pressure port B System pressure port A M12x1.5 M12x1.5...
-
Page 18: Initial Start-Up
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Initial Start-up Follow the procedure below when starting-up a new pump/motor installation or when restarting an installation in which a unit has been removed and re-installed on a machine. Ensure the unit has been thoroughly tested on a test stand before installing on a machine. -
Page 19: Troubleshooting
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Troubleshooting Overview This section provides general steps to follow if you observe undesirable system conditions. Follow the steps listed until you solve the problem. Some of the items are system specific. We reference the section in this manual if more information is available. -
Page 20: System Will Not Operate In Either Direction
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Troubleshooting System will not operate in either direction System will not operate in either direction Item Description Action Oil level in reservoir. Insufficient hydraulic fluid to supply system Fill reservoir to proper level. loop. -
Page 21: Low Motor Output Torque
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Troubleshooting Low motor output torque Low motor output torque Item Description Action System pressure at Low system pressure at the motor will reduce Measure system pressure at motor. motor torque. For internal leakage Internal leakage will reduce system pressure. -
Page 22: Adjustments
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Adjustments Standard procedures This section offers the instruction on inspection and adjustment of motor components. Caution Contamination can damage internal components and void your warranty. Take precautions to ensure system cleanliness when removing and reinstalling system lines. 1. -
Page 23: Minor Repair
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Minor Repair Standard procedures, removing the motor Before working on the motor, thoroughly clean the outside. Tag and cap all hydraulic lines as they are disconnected, and plug all open ports to ensure that dirt and contamination do not get into the system. Caution Contamination can damage internal components and void your warranty. -
Page 24: Shaft Seal Replacement
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Minor Repair C – Anti-cavitation valve F – Shaft seal Shaft Seal Replacement The shaft seal is serviceable. Orient the motor on the work surface so the shaft is pointing up. Removal 1. -
Page 25: Reassembly
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Minor Repair Reassembly 1. Lubricate and install new O-rings (G090A). 2. Install HPRVs. Torque to the value 80 N•m [59 lbf•ft]. 3. Check for leaks. HPRVs G090 G090A G090A G090 12 mm 80 N•m [59 lbf•ft] Loop Flushing Relief Valve... -
Page 26: Loop Flushing Valve
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Minor Repair Loop flushing relief valve and loop flushing valve 17 mm K030 O-ring 38 N•m [28 lbf•ft] K00** K020 K010 H50W H30W H20W H10W H20W H30W H50W 17 mm 38 N•m [28 lbf•ft] O-ring Loop Flushing Valve... -
Page 27: Reassembly
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Minor Repair Reassembly 1. Install the ball in end cap. 2. Install the springs. 3. Lubricate and install new seal O-ring on the plug. Install the plug and torque to 20 N•m (15 lbf•ft). Anticavitation valve V000 V010... -
Page 28: Speed And Temperature Sensor (H1)
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Minor Repair Speed and Temperature Sensor (H1) Removal 1. Disconnect the electrical connector. 2. Using an 5 mm internal hex wrench, remove the fastening screw (W055). 3. Remove the speed sensor (W040) from the motor housing. Inspection Inspect parts for damage or foreign material and sealing surfaces on the motor for nicks or scratches. -
Page 29: Torque Chart
Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 Torque Chart Fasteners, plugs and torques Item Fastener Wrench size Torque B040 Plug-SOC-O-ring M22x1.5 10 mm internal hex 40 ±5 N•m [29.5 lbf•ft] Plug-SOC-O-ring 7/8" 3/8 internal hex G120 Rear cover screw 8 mm internal hex 70 ±0.7 N•m [51.6 lbf•ft] G130... - Page 30 Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 L1211037 • Rev AC • Apr 2014...
- Page 31 Service Manual TMM Transit Mixer Axial Piston Motor, Size 070/084/089 L1211037 • Rev AC • Apr 2014...
- Page 32 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 changes being necessary in specifications already agreed..