Replacing the screw and nut on SN carriages

TOS Trenčín cross slide screw and nut replacement A worn cross slide screw and nut is one of the most common causes of backlash, inaccurate dimensions and poor surface finish on TOS Trenčín SN lathes. As wear increases, precise positioning of the carriage becomes difficult and machining accuracy gradually deteriorates. In this guide [...]

Replacing speed box oil filter on SN lathes

TOS Trenčín Oil Filter Maintenance for SN Lathes In order to keep you SN lathe going smoothly, you need to clean the oil filter 803260 from time to time. The oil filter is located on the back of speed gearbox. There is a handle on the filter, that can be turned in order [...]

Adjusting the multi-plate brake on SN32, SN50 and SN71

TOS Trenčín SN32 and SN50 Lathe Brake Adjustment Adjusting the brake on TOS Trenčín / TRENS SN32, SN40, SN45, SN50, SN55, SN63 and SN71. The multi-plate brake is accessible from the rear side of the machine, on the left side of the speed gearbox. The multi-plate brake is factory-adjusted by the manufacturer and [...]

Adjusting the clutch on SN32-SN50-SN71 lathes

TOS Trenčín SN Lathe Clutch Adjustment Adjusting the clutch on TOS Trenčín SN32, SN40, SN45, SN50, SN55, SN63 and SN71. The same principle applies also to SUI32, SUI40 and SUI50 as well ass to SN400, SN500, SN630 and SN710. The A and B multi-plate clutches are accessible after removing the cover on the [...]

Replacing friction discs on TOS Trenčín lathes

Replacing clutch and brake friction discs on TOS Trenčín / TRENS lathes Worn friction discs on TOS SN series lathes can cause slipping, inconsistent engagement and unreliable operation of the feed and drive mechanisms. Over time, the friction surfaces, levers and locking blocks become worn, which affects smooth operation and can lead to [...]

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