Figure 5. Screwdrivers.
is not drawn up tight enough, and, once the equipment is in operation, some vital part may malfunction,
shake loose, be damaged, or be lost. Choose and use the right wrench in the right way for the job that has
to be done. Wrenches come in a great assortment of configurations. A few types even resemble pliers so
closely that one commercial catalog may describe such items as pliers, while another calls them
wrenches. Generally speaking, there are two categories of wrenches: adjustable and nonadjustable. The
wrenches in a TK-105/G can be further categorized and described as follows:
(1) Open-end wrenches (fig 6). Item A is a 6-inch adjustable open-end wrench. Its jaws will
accommodate any square- or hexagonal-head bolt or any square nut or hexagonal nut up to
three-quarters of an inch. Larger sizes are available but this 6-inch one is the only adjustable
wrench furnished in a TK-105/G. Items B through F are
651
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