Instruction manual
37
PREVENTIVE MAINTENANCE / CW-18 CIRCLE WELDER
IMPORTANT: Make sure the input power at the power source is turned off and the 50’ weld
cable is disconnected from the circle welder prior to working inside the circle welder.
AFTER DAILY USE:
Refer to CW-18 Exploded View Parts List. (Pg. 12)
Large Horizontal Racker Item #3:
Inspect wheels and remove all dirt, grease, weld spatter and rust. Adjust wheels for snug t and
smooth operation. Lubricate racker pinion and wheels with a dry teon or graphite spray lubri-
cant.
Racking System Item #11:
Inspect gear rack, hardened ways and wheels, remove all dirt, grease, weld spatter and rust.
Check hardened ways for nicks and replace if necessary. Lubricate with a dry teon or graphite
spray lubricant. Adjust wheels for snug t and smooth operation. Lubricate racker pinion with a
dry teon or graphite spray lubricant.
Slide Bar Mounting Assembly Item #24:
Inspect hardened ways remove all dirt, grease and weld spatter. Check hardened ways for nicks
and replace if necessary. Lubricate with a dry teon or graphite spray lubricant.
Refer to CW-18 Electrical Component Chart. (Pg. 14)
CW-18 Collector Item #3:
Inspect cable connector to make sure threads are not stripped and that the connector is not
cracked. Ensure that the connector is fastened properly to the large aluminum gear item #34 on
the CW-18 Exploded View Parts List.
NA-3 Control Cables:
For all cables leading to NA-3 Control box, inspect cable connector to make sure threads are not
stripped and that the connector is not cracked. Check the cable for cuts, missing insulation and
burn spots, replace if necessary.
EVERY SIX MONTHS:
Refer to CW-18 Exploded View Parts List. (Pg. 12)
7” Cam Assembly Item #14:
Inspect the slide rails and the cam pinion. Remove all dirt, grease and weld spatter. Do not
grease slide rails or cam pinion. Lubricate with a dry teon or graphite spray lubricant. Replace
cam pinion if excessively worn. Tighten all fasteners as needed.
Wire Reel Assembly Item #20:
Periodically coat the wire wheel shaft with a thin layer of grease as needed. Inspect the shoe as-
sembly and replace if excessively worn.
P.M. Motor Assembly Item #21:
Do not grease this pinion. Inspect the drive pinion. Remove all dirt, grease and weld spatter.
Lubricate with a dry teon or graphite spray lubricant. Replace pinion if excessively worn. Check
set screw and tighten if necessary. Adjust motor assembly using the four adjustable mounting
fasteners so that proper gear mesh is achieved between the aluminum gear item #34 and the
motor drive pinion.
Aluminum Gear Item #34:
Do not grease this gear. Inspect gear teeth remove all dirt, grease and weld spatter. Lubricate
with a dry teon or graphite spray lubricant. Replace gear if excessively worn.