7/9/2013 TORQLIM_MECH_W_ADAPT_MANUAL Page 2 of 5
I. Torque Setting
Mach III torque limiters are typically shipped to the customer with the torque value they have
specified. (Note: All torque settings are +/- 10%.) If a torque limiter requires setting or re-
setting in the field, please refer to section VIII of this document.
II. Torque Limiter Installation
A. SHAFT PREPARATION & MOUNTING
Mach III Clutch products are bored to fit a precision plug gauge for the specified bore size and
should slide fit the mating shaft. Make certain that the shaft is free of burrs or nicks. It may be
necessary to file or sand the shaft to assure a slide fit. Never hammer the torque limiter onto
the shaft. Hammering on the torque limiter may cause evident damage or subtle injury that will
shorten the wear life of the unit, and will void the warranty.
(1) Apply the anti-seize (E-Z Break
®
)
lubricant from the packet provided, or equivalent, to
the shaft.
(2) Insert key (customer supplied) onto the shaft.
(3) Slide torque limiter over key on the shaft, align the sprocket or pulley.
(4) Tighten set screws to secure the torque limiter to the shaft.
B. FINAL INSPECTION & TESTING
After a short run, check set screws and alignment.
III. Installing Adapter
Great care must be exercised to assure proper alignment to prevent premature torque
limiter failure.
Please use the links on page one of this document to obtain the detail sheet for your unit.
This sheet will include the pilot diameter and other dimensions needed to machine the
component which will be mated to the adapter.
Provide a pilot for clearance (slide fit) for bore in adaptor and drill standard clearance
holes for the number and type of screws on the corresponding bolt circle in the mating
component. The screws used to attach the component to the adapter should not be any
longer than the sum of the depth of the threaded hole in the adapter plus the thickness of
the component. Otherwise, the screws may bottom out. Tighten all screws to uniform
torque based on screw size and use proper Loctite
®
(or equivalent) compound to assure
a permanent mount.
IV. Torque Limiter Operation
This is a manually adjusted torque limiter. Torque is proportional to the amount of spring
compression.
Special Note Regarding Friction Disc Contamination:
The friction material used in this product will absorb oil, water, chemicals and other
contaminants. Depending on the type of contamination, torque limiter may either seize
up entirely or lose torque capacity. If friction discs become contaminated, they should be
replaced. See repair kit ordering information below.
V. Routine Maintenance
When installed and operated according to the preceding guidelines, Mach III Clutch
products should require little or no routine maintenance. A repair kit is available which
contains all parts subject to typical wear: friction discs, springs.
(5 pages)
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