Danfoss TMM 089

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
Unintended machine movement..........................................................................................................................................7
Flammable cleaning solvents.................................................................................................................................................7
Fluid under pressure..................................................................................................................................................................7
Personal safety.............................................................................................................................................................................8
Hazardous material.................................................................................................................................................................... 8
Design...................................................................................................................................................................................................8
The System Circuit............................................................................................................................................................................8
The Basic Closed Circuit............................................................................................................................................................8
Case drain and heat exchanger..............................................................................................................................................9
Operation
High pressure relief valve (HPRV) and check valve............................................................................................................10
Loop flushing shuttle spool........................................................................................................................................................10
Loop flushing relief valve............................................................................................................................................................11
Anti-cavitation valve.....................................................................................................................................................................11
Operating parameters
Overview........................................................................................................................................................................................... 12
Output speed...................................................................................................................................................................................12
System pressure............................................................................................................................................................................. 12
Case pressure...................................................................................................................................................................................12
Temperature and Viscosity.........................................................................................................................................................13
Temperature...............................................................................................................................................................................13
Viscosity........................................................................................................................................................................................13
Technical Specifications
Technical specification.................................................................................................................................................................14
Fluid and Filter Maintenance
Fluid and filter recommendations........................................................................................................................................... 16
Port Locations and Gauge Installation...................................................................................................................................16
Initial Start-up
Start-up procedure........................................................................................................................................................................18
Troubleshooting
Overview........................................................................................................................................................................................... 19
Safety Precautions......................................................................................................................................................................... 19
System operating hot...................................................................................................................................................................19
System will not operate in either direction.......................................................................................................................... 20
System noise or vibration........................................................................................................................................................... 20
Sluggish system response...........................................................................................................................................................20
Transmission operates normally in one direction only....................................................................................................20
Low motor output torque...........................................................................................................................................................21
Improper motor output speed..................................................................................................................................................21
Adjustments
Standard procedures....................................................................................................................................................................22
Speed sensor PPU adjustment..................................................................................................................................................22
Service Manual
TMM Transit Mixer Axial Piston Motor, Size 070/084/089
Contents
L1211037 • Rev AC • Apr 2014 3