Instruction Manual
Page 16
8.0
Maintenance
CHAPTER 8
MAINTENANCE
Electrical Circuits
1. When replacing parts and components, you must use the part or components
of the same type as the original or equivalent to the original type. Original equip
ment replacement parts should be purchased through Miller Weldmaster and or
a Miller Weldmaster authorize distributor.
2. The electrical cabinet must be cleaned every six months. To properly clean the
electrical cabinet: disconnect the power supply, using compressed air and a
blow gun, gently blow air across the electrical component and control cabinet
cleaning dust and debris from the area.
3. To avoid damaging the PLC, Display and Operating Panel, never plug or unplug
the cables connecting the PLC, Display and Operating Panel while the power is on.
4. If there is any fault that cannot be removed, please immediately contact the
service department at Miller Weldmaster.
Drive System
1. Check if the Driving Sprockets are dislocated or loosened.
2. Check if the chains are too loose. Tighten as needed.
3. Check if the nozzle is parallel with and at the center of the Weld Roller. If not, it shall be
adjusted as per Hot Air Heat System Adjustment on page
4. Check if the up and down movement of the Upper Unit is smooth.
NOTICE: By not properly maintaining the machine, the performance may be effected. Please
contact Miller Weldmaster with any questions.