GENERAL INFORMATION CU800 Service Manual
16
1.8.6 Allen Wrenches
Use Allen or setscrew wrenches (Figure 11)
on fasteners with hexagonal recesses in the
fastener head. These wrenches are available in L-
shaped bar. Socket and T-handle types. A metric
set is required when working on most motorcycles.
Allen bolts are sometimes called socket bolts.
1.8.7 Torque Wrenches
Use a torque wrench with a socket, torque
adapter or similar extension to tighten a fastener to
a measured torque. Torque wrenches come in
several drive sizes (1/4, 3/8, 1/2 and 3/4) and have
various methods of reading the torque value. The
drive size indicates the size of the square drive that
accepts the socket, adapter or extension. Common
methods of reading the torque value are the
deflecting beam, the dial indicator and the audible
click (Figure 12).
When choosing a torque wrench, consider the
torque range, drive size and accuracy.
The torque specifications in this manual
provide an indication of the range required.
A torque wrench is a precision tool that must be
properly cared for to remain accurate. Store torque
wrenches in cases or separate padded drawers
within a toolbox. Please refer to the followed
manufacturer’s instructions for their care and
calibration.
1.8.8 Torque Adapters
Torque adapters or extensions extend or
reduce the reach of a torque wrench. The torque
adapter shown in (Figure 13) is used to tighten a
fastener that cannot be reached because of the size
of the torque wrench head, drive, and socket. If a
torque adapter changes the effective lever length
(Figure 14), the torque reading on the wrench will
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