DE-STA-CO Ferguson Rite-Torq Torque Limiters (Overload Clutches) Type RT, RTM, RTL, RTL-FCB - Manual (Page 15)

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Maintenance
NOTE: FERGUSON detent torque limiters are factory lubricated and sealed. Unless the unit is
subjected to severe loads, frequent tripping, or harsh environment, replenishment of lubricant is
seldom necessary more often than once a year.
1. Annually disassembly unit, clean and inspect parts. Check bearings and seals and replace if
necessary. Inspect detents and detent plate for wear. If necessary, replace torque limiter.
2. Apply a general-purpose lithium based NLGI grade 2 grease to bearings, thrust washers, detent seats
and track, rubbing surfaces and the threads of adjusting nut or screws.