Campbell Hausfeld WG4000 Wheel and Axle Assembly, Wire Installation, Foot Assembly

Wire Feed Arc Welder
Cylinder				NOTE: Before installing welding wire,
				be sure that its diameter matches the
chain
				diameter of the groove in the drive
				roller on the wire feed mechanism and
Cylinder				that the wire matches the contact tip in
bracket				the end of the gun. Any mismatch
				could cause the wire to slip or bind.
				1. Verify that welder is off. Open panel
Nut				on welder to expose wire feed
				mechanism.
Washer				2. Remove spool lock by pushing in and
				rotating it a 1/4 turn counterclockwise.
				The knob, spring, and spool spacer can
				now be removed. (See Figure 4).
				NOTE: Spool spacer and spindle spacer
				act as an 8” spool adapter. Purchase of
	Axle			an adapter is not necessary.
	Bolt			3. Loosen wire feed tensioning screw
Plastic				on drive mechanism. This allows
	Wheel			initial feeding of wire into gun liner
hub			Foot
		Bolt		by hand.
			assembly	4. Place wire spool on spindle so that
Figure 2 - WG4000 Assembly
				wire will come off spool on the end
Assembly (Continued)				closest to wire feed guide tube. Do
		Hex Nuts		not cut wire loose yet. Install spool
				spacer, spring, and spool lock by
WHEEL AND AXLE ASSEMBLY			Cord	pushing in and turning knob 1/4
				rotation clockwise.
1. Put one wheel on each end of axle		Clamping		5. Hold wire and cut wire end from
Using a mallet or hammer, drive a
		Block		spool. Do not allow wire to
plastic hub on axle ends to secure
				unravel. Be sure that end of wire is
wheels.
				straight and free of burrs.
2. Align holes in axle assembly with
				6. Feed wire through wire feed guide
holes in base plate at rear of welder.
		Figure 3 - Work Clamp Assembly		tube, over groove in drive roll and into
Secure with two bolts, washers, and
				gun liner. Tighten wire feed tensioning
nuts.		WIRE INSTALLATION
				screw so that it is snug. Do not
			When the welder is
FOOT ASSEMBLY		! WARNING		overtighten.
1. Remove four screws in bottom panel			on and the gun	7. Remove torch nozzle by turning
		switch is activated, electric power may
near the front of the welder.				counterclockwise. Unscrew contact
		be present in the output terminals,
2. Align holes in metal foot with holes				tip from end of welding torch (See
		feed roll, work clamp, gun cable
on bottom of welder at front.				Figure 5). Plug welder into proper
		connection and welding wire. Do not
3. Secure foot with four screws				power supply receptacle.
		touch these parts when the welder is
removed in step 1.		on.		Torch Neck	Contact Tip
CYLINDER BRACKET ASSEMBLY
1. At back of welder, halfway down
each side, are two screws. Remove
both pairs of screws. Also remove the
screw in center of back panel.
2. Insert cylinder bracket between sides				Nozzle
of the welder and its black back,
aligning its holes with those in sides				Figure 5 - Torch Nozzle
of welder. Make sure bracket has
chain slots up.
3. Attach the bracket with the five				HINT: Keep torch cable straight when
screws removed in Step 1.				feeding wire.
WORK CLAMP ASSEMBLY				8. Turn on welder and set wire speed
1. Loosen hex nuts on work clamp.				rate to 5. Activate the gun switch
				until wire feeds out past torch end.
2. Insert cord through clamp handle and
				Turn welder off.
slide bare wire under clamping block.
Tighten hex nuts, making sure bare		Figure 4 - Weld Wire Routing
wire is clamped securely (Figure 3).
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