Cornwell Tools MMWUWC4 Owner'S Manual Download Page 2

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CORNWELL QUALITY TOOLS 

 

EFFECTIVE SEPTEMBER 1, 2015 

 

LIMITED WARRANTY 

This warranty applies to the original purchaser and is subject to the terms and conditions listed below. This Limited Warranty is for 

new equipment sold after the above date, providing coverage for defects in material and workmanship at the time it is shipped from 

the factory. 

 

Limited to the warranty periods below, Cornwell Quality Tools will repair or replace the item under warranty that fails due to defects 

in material and workmanship. Cornwell Quality Tools must be notified within 30 days of the failure, so as to provide instructions on 

how  to  proceed  with  the  repair  of  your  welder  and  warranty  claim  processing.  Warranty  period  begins  at  the  time  the  welder  is 

purchased from and Authorized Cornwell Distributor. 

Keep your receipt as proof of purchase. 

 

Warranty Periods 

Limited Warranty is divided into three categories. No Warranty, 1 year and 3 year. 

 

No Warranty 

Normal  wear  items,  MIG  gun  parts  (contact  tips,  nozzle,  contact  tip  adapter,  MIG  gun  liner),  drive  roll,  electrode  holder,  ground 

clamps,  Plasma  torch  parts  (nozzle,  electrode,  diffuser,  cover)  are  considered  consumable  items  and  are  not  covered  under 

warranty. 

90 days 

Parts for Cornwell welding carts and welding cabinets. This warranty covers the absence of or defective parts.   

 

1 year 

Parts and Labor on MIG gun parts (except those listed under normal wear items), cables, regulator, and plasma torch (except those 

listed under normal wear items). Any shipping related to warranty repair is the responsibility of the customer. 

 

1 year/3 year 

Please see your product information to determine if your product has a 1 year or 3 year warranty. This warranty covers parts  and 

Labor  on  items such  as: transformer,  reactor,  rectifier, solenoid valve,  PC Board, switches, controls,  gas  valve,  drive motor,  drive 

system other than drive roll and any other component that requires the removal of the sheet metal to access. Any shipping related 

to warranty repair is the responsibility of the customer. 

 

Voiding Warranty 

Warranty does not apply to: Shipping Damage, Misuse and abuse of the unit, alteration of the unit in any way. 

 

Warranty Claim 

This is a parts and labor warranty. 

Contact your Cornwell distributor you purchased it from

. Retain your receipt in the case a 

warranty claim is needed. No warranty will be provided without the original receipt from an authorized Cornwell Distributor. To make 

a  warranty  claim,  contact  your  Cornwell  Distributor.  That  Cornwell  Distributor  will  contact  the  customer  service  department  for 

warranty instructions. 

 

 

Summary of Contents for MMWUWC4

Page 1: ...MANUAL 9 2015 WARNING Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating Failure to follow the safety rules and other basic safety precautions may result in serious...

Page 2: ...ered under warranty 90 days Parts for Cornwell welding carts and welding cabinets This warranty covers the absence of or defective parts 1 year Parts and Labor on MIG gun parts except those listed und...

Page 3: ...have a qualified person install and operate this equipment Make sure the area is clean dry and ventilated Do not operate the welder in humid wet or poorly ventilated areas Always have your welder main...

Page 4: ...lectrically hot Poor ground connections are a hazard so secure the ground lead before welding Wear dry protective apparel coat shirt gloves and insulated footwear Insulate yourself from the work piece...

Page 5: ...t operate any electric arc welder in areas where flammable or explosive materials are present Remove all flammable materials within 35 feet of the welding arc If removal is not possible tightly cover...

Page 6: ...e protective cylinder cap whenever possible 1 5 Proper Care Maintenance and Repair Always have power disconnected when working on internal components Do not touch or handle PC board without being prop...

Page 7: ...o hold two separate welders or a welder and a plasma cutter The bottom shelf has an 18 inch clearance giving able space to store one unit on the top shelf and one unit on the bottom shelf Two units ma...

Page 8: ...pin Add a flat washer and secure with a cotter pin 16 Repeat the last step for the right side frame 17 Find one of the cable holders Make note of the two pre drilled mounting holes in the left front...

Page 9: ...t through the pre drilled holes in the Cylinder Support Vertical Tubes and into the matching pre drilled holes in the Cylinder Support Bracket Secure with a flat washer lock washer and Hex Nut Repeat...

Page 10: ...DER SUPPORT BRACKET 105100144 2 15 GAS CYLINDER RETAINING CHAIN 105100007 2 16 LEFT SIDE FRAME 105100145 1 17 CYLINDER SUPPORT VERTICLE TUBE 105100146 2 18 HEX BOLT M6 45 105100147 12 19 FLAT WASHER 6...

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