The manual calls for a specific viscosity oil (ISO 68 or 220 depending on revision). Many modern restorers use Mobil 1 15W-50 synthetic motor oil or Thorens original oil (available from Schopper). The manual shows exactly how much: fill until the oil level is 2mm below the top of the bearing housing. Too much and it leaks; too little and the spindle seizes after 30 minutes of play.
The idler wheel must contact both the motor pulley and the inner platter rim with the exact pressure. The manual gives a spring deflection measurement (e.g., “spring eyelet to eyelet length: 22.5mm”). Too much tension grinds the rubber; too little causes slip and wow. thorens td124 service manual
The original Thorens service literature was not a single book but often a collection of technical bulletins, exploded diagrams, and spare parts lists. Today, high-quality reprints or digital scans are indispensable. The manual typically divides into three sections: The manual calls for a specific viscosity oil
| User Type | Usefulness | |-----------|-------------| | Complete beginner | ❌ Difficult – lacks hand-holding. Start with YouTube or written restoration guides (e.g., Analog Dept., LencoHeaven). | | Experienced DIYer | ✅ Very useful – combined with a restoration guide or forum. | | Technician | ✅ Essential reference – especially exploded parts diagrams and electrical data. | | Parts hunting | ✅ Critical – original part numbers help identify what’s missing. | | User Type | Usefulness | |-----------|-------------| |