Mach III Clutch T4C2H-21L, T4C2H-21LCA, T4C2H-21LSS User Manual
Page 5

7/9/2013
TORQLIM_NEMA_MANUAL
Page 5 of 5
TORQUE SETTING INSTRUCTIONS (CONTINUED)
(5) Loosen the nylon-point set screw (REF. F) in the adjustment nut (REF. G).
(6) Place the female adapter assembly in a fixture so that the sleeve (REF. H) cannot rotate.
(7) Place the drive hub assembly in the female adapter assembly so that the adjustment nut (REF.
G) faces upward and the friction lugs drop into the mating cut outs in the sleeve (REF. H).
(8) Using a spanner wrench, either tighten (clockwise direction) the adjustment nut (REF. G) to
increase torque or loosen (counter-clockwise direction) the adjustment nut (REF. G) to
decrease torque.
(9) Check the torque value after each 1/4 turn of the adjustment nut (REF. G) while holding the
drive hub assembly in the sleeve (REF. H) using a torque wrench.
(10) Once the desired torque is reached is, tighten the nylon-point set screw (REF. F) in the
adjustment nut (REF. G).
(11) Insert the drive hub assembly back into the male adapter (REF. E) bearing using Loctite #609
compound on the inner race of the bearing. If any old Loctite remained on the drive hub (REF.
D) or the male adapter (REF. E) bearing, remove it with a scrapper.
(12) Replace the drive hub (REF. D) retainer ring (REF. C).
(13) Join both halves of the torque limiter back together. Be sure that the mounting holes are
positioned so they are aligned with one another.
(14) Reinstall the (3) socket head cap screws (REF. A) into the female adapter (REF. B).
Technical assistance is available by contacting Mach III Clutch, Inc.
Mach III Product Warranty
Mach III Clutch, Inc.
101 Cummings Drive ● Walton, KY 41094
Toll free 866.291.0849 ● International 859.291.0849 ● Fax 859.655.8362