CDI Torque TORQUE WRENCHES Micro-Adjustable Click Type - Manual (Page 30)

Page 26
Micrometer Adjustable Torque Wrench
Troubleshooting Matrix
PROBLEM CAUSE(s) REMEDY
Calibration accuracy at
20% of scale is out of
tolerance.
OR
Calibration accuracy at
20%, 60% and 100% of
scale is out of tolerance.
OR
Calibration accuracy at
60% and 100% of scale
is out of tolerance
Wrench tampered with
(torque seal cracked or
missing)
OR
The handle is unwound below
the stop point. (torque seal
cracked or missing)
OR
Handle disassembled handle
and reassembled wrong.
(torque seal cracked or
missing)
OR
Pawl and/or pawl slots worn or
damaged.
NOTE
Check handle prior to
adjusting to assure it is
engaged to the adjusting
screw.
Minor calibration
Adjustment.
NOTE
If a minor calibration fails
to bring the 20% of scale
reading into tolerance or if
adjustment causes the 60%
or 100% of scale to fall out
of the tolerance a major
calibration is required.
OR
NOTE
Check pawl and pawl slots
prior to a major calibration.
A major calibration.
When the lock ring is
released the handle goes
up and down the tube
without turning the
handle or the handle
doesn’t turn at all. The tube insert is stripped
OR
No lubrication on torque load
screw.
Send to authorized repair
facility.
Handle and load screw
disassembled. See handle/lock ring repair
section to assemble.
Lock Ring Doesn’t
Lock. The handle was turned without
releasing the lock ring. (the
tube will show groove marks
through the splines) Send to authorized repair
facility.
Lock ring is jammed or
doesn’t fall into lock Handle spring problem. Disassemble the
handle/lock ring and replace