Campbell Hausfeld GW4500 specifications Pre-Operation

Operating Instructions and Parts Manual

Pre-Operation		GROUNDING		3. Rotate the engine switch to the ON
LOCATION		1.	Use the ground terminal and wing		position.
			nut on the welder / generator frame	4.	Adjust the choke lever as follows:
Selecting the proper location can
			to connect the unit to a suitable
significantly increase performance,					a. For cold engine, move the choke
			ground source. Securely fasten the
reliability and life of the arc welder.					lever as far as possible to the left,
			end terminal of the ground wire to
• For best results locate the welder /					choke fully ON, position.
			the ground terminal on the
generator in an environment that is			welder / generators frame. Tighten		b. For warm / hot engine, move the
clean and dry. Dust and dirt in the			the washer and wing nut on top of		choke lever midway between the
unit retain moisture and increase			the ground wire end terminal.		choke and run positions.
wear of moving parts.		2. The ground wire should be made		5. Pull the starter rope with a brisk,
• Store electrodes in a clean, dry
			of #8 gauge wire. Do not use wire		smooth motion.
location with low humidity to			with a higher gauge number.		NOTE: Some models may be
preserve the flux coating.			Higher gauge numbers indicate		equipped with an electric starter.
INSTRUCTIONS			thinner wire, which may not		For models equipped with an
1. Check engine oil level. Oil is NOT			provide an adequate ground path.		electric starter, turn the key.
mixed with the gasoline, however		3. The other end of the ground wire		6. After each start up, allow the
adequate oil supply is necessary for			must be securely fastened to an		engine to run for 2-3 minutes with
proper engine lubrication. Refer to			approved ground source.		no load.
the Engine Manual for SAE, API and		The following are ground sources		7.	As the engine warms up and
fill quantity specifications. Unit is
		approved by the National Electric			stabilizes, adjust the choke lever
shipped without oil in engine.
		Code. Other ground sources may be			to the right, until the lever is
2. Use of a Ground Fault Interrupter
		acceptable. Refer to the National			positioned as far as possible to the
(GFI) is strongly recommended.		Electric Code and local regulations for			right.
Ground Fault Interrupters can		further ground source information. If				Engine speed is
significantly reduce the possibility		not sure of regulations or procedures,				preset to provide
of injury if an electrical short occurs.		obtain assistance from a qualified		proper output voltage. Never attempt
In order to install a GFI, the		(licensed or certified) electrical		to modify or adjust engine speed or
				output voltage.
welder / generators neutral wire		technician.
				ENGINE BREAK-IN
must be internally grounded to the			a. An underground water pipe at
welder / generators frame, and the				After initial start-up, the engine
			least ten feet in length
frame must be properly grounded				should be broken in according to the
			b. A non-corrosive underground
to the earth.				manufacturer's instructions. Refer to the
			pipe at least eight feet in length
	A Ground Fault			engine manual for the proper break-in
			and 3/4 inch diameter
				procedure.
	Interrupter may
			c. A steel or iron underground rod
not be effective if used on a welder /
			at least eight feet in length and	SHUT-OFF
generators that is not grounded! Refer
to the section entitled Grounding for			5/8 inch diameter	1. Shut off and remove all electrical
proper steps to ground the welder /			d. A non-ferrous rod at least		load devices from the welder /
generator.			eight feet in length, 1/2 inch		generator.
3. When installing a GFI, be sure			in diameter, and approved for	2.	Allow the engine to run for 2-3
to follow all national and			grounding purposes
					minutes with no electrical loads.
local regulations. If not sure of
		Any rod or pipe used for grounding		3.	Rotate the engine switch to the OFF
regulations or procedures, obtain
		must be driven to eight feet deep or			position.
assistance from a qualified (licensed
		buried in the deepest possible trench.		4.	Verify that the welder / generator
or certified) electrical technician.
		STARTING			has completely stopped.
		1.	Remove all electrical loads from the	5.	Close the fuel supply valve.
			welder / generators.
				6.	Allow the unit to cool before
		2.	Move fuel shut-off lever as far as
					installing any covers.

possible to the right to enable fuel flow.

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