Figure 3, Figure 4 – Tuffy Security 257 User Manual
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– 12/28/2010 – Rev12/28/2010
If the latch handle is removed or has been bumped out of alignment it will need to be adjusted correctly
again. The gap shown between the knob and the stop is critical and can vary slightly. If the gap is too small
the knob cannot be turned enough to unlock the latch. If the gap is too large then the knob can be turned
past its stop point which trips the internal clutch and will not unlock the latch. Adjust the handle so the gap
is the largest possible initially then if the clutch is tripped move it in small increments until it unlatches
correctly. (See figure 4)
All fasteners should be checked to ensure they are not loose. The schedule will vary depending on the level
of usage, environmental conditions and typical vibration encountered. Once a month is a good starting
point. Loctite may need to be reapplied after extended periods of time.
Figure 3
Figure 4
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