Jet JHM-610, Operating Instructions And Parts Manual

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7
Electrical
Electrical Requirements
When connecting the JHM-610 Hobby Mill to the
power source outlet, the outlet must be properly
grounded to protect the operator from electrical
shock.
In the event of a malfunction or breakdown,
grounding provides a path of least resistance for
electrical current to reduce the risk of electrical
shock. This machine is equipped with an electric
cord having an equipment-grounding conductor-
outlet that is properly installed and grounded in
accordance with all local codes and ordinances.
This mill is equipped with a power cord.
Improper connection of the equipment grounding
conductor can result in a risk of electric shock.
The conductor with insulation having an outer
surface that is green (with or without yellow
stripes) is the equipment -grounding conductor.
If repair or replacement of the electric cord or
plug is necessary, do not connect the
equipment-grounding conductor to a live
terminal.
Plug power cord into a 110-120V properly
grounded outlet protected by a 14-amp fuse or
circuit breaker.
Do not touch the prongs of
the power cord plug when plugging or
unplugging to or from an outlet.
If improperly grounded, this
power tool can cause serious injury from
electrical shock, particularly when used in
damp locations or near plumbing. If an
electrical shock occurs, there is the potential
of a secondary hazard such as your hands
coming in contact involuntarily with the
rotating grinder.
Electrical Connections
The JHM-610 Hobby Mill is rated at 115V, 1PH.
It is designed for use on a circuit with an outlet
that looks like the one shown in Fig. A. and has
a grounding prong, also shown in Fig. A. A
temporary adapter (Fig. B) may be used to
connect the plug to a two-prong receptacle
(Fig. B) if a properly grounded outlet is not
available. A temporary adapter should only be
used until a properly grounded outlet can be
installed by a qualified electrician.
This adapter
is not applicable in Canada. The green colored
lug must be fastened to the cover plate screw.
Important : The adapter illustrated in Fig. B is for
use only if you already have a properly
grounded two-prong receptacle. Do not modify
the plug provided-if it will not fit the outlet, have
the proper outlet installed by a qualified
electrician. Check with a qualified electrician or
service personnel if the grounding instructions
are not completely understood, or if in doubt as
to whether the tool is properly grounded.
Before plugging into the
power source, be sure that power switch is
in the OFF position.
Extension Cords
Use only three-wire extension cords that have
three-prong grounding type plugs and three-
prong receptacles that accept the tool's plug.
Replace or repair damaged or worn core
immediately.
USE PROPER EXTENSION CORD. Make sure
your extension cord is good condition. When
using an extension cord, be sure to use one
heavy enough to carry the current your product
will draw. An undersized cord will cause a drop
in line voltage resulting in loss of power and
overheating. Table 1 shows the correct size to
use depending on cord length and nameplate
ampere rating. If in doubt, use the next heavier
gage. The smaller the gage number, the heavier
the cord.
Amp
Rating
Volts Total length of cord in feet
120V
240V 25
50 50
100
100
200 150
300
AWG
0 – 0 6
6 – 10
10 – 12
12 – 16
18
18
16
14 16
16
16
12 16
14
14
not rcmd
14
12
12
not rcmd
Table 1