Section 7 − Maintenance & Troubleshooting; Routine Maintenance; Lubricating Shunt Block And Anti-Noise Adjustment - Miller Thunderbolt XL Manuel Du Propriétaire

SECTION 7 − MAINTENANCE & TROUBLESHOOTING

7-1. Routine Maintenance

n = Check
* To be done by Factory Authorized Service Agent
Every
3
Months
l Unreadable Labels
Every
6
OR
Months
~ Inside Unit

7-2. Lubricating Shunt Block And Anti-Noise Adjustment

Tools Needed:
1/2 in.
5/16, 3/8 in.
OM-316 Page 22
.
A complete Parts List is available at www.MillerWelds.com
Z = Change ~ = Clean
~ Weld Terminals
1
2
!
Disconnect power
before maintaining.
l = Replace
nl Weld Cables
2
3
.
Maintain more often
during severe conditions.
Reference
!
Turn Off welding power
source and disconnect input
power.
1 Wrapper
Remove wrapper.
2 Shunt Block
.
Do not grease screw threads
on shunt block.
Apply light coating of high-tempera-
ture grease to shaded areas of both
shunt blocks. Turn amperage con-
trol handle to spread grease evenly.
3 Noise Adjustment Screws
If shunt block vibrates and
becomes noisy, tighten adjustment
screws 1/4 turn. Install wrapper,
turn On unit, and check for shunt
noise. Repeat procedure until noise
stops. Do not overtighten. Call your
nearest Factory Authorized Ser-
vice Agent if noise continues.
!
Install wrapper before
turning On power.
802 248-D