Checking Generator Brushes; Battery Replacement - Miller Big Blue 500 Pro Owner's Manual

8-5.

Checking Generator Brushes

FUEL
WATER
8-6.

Battery Replacement

Larger Battery
allen_set
Smaller Battery
needlenose
knife
tools/
heavy-duty workclamp
stripcrimp
flathead philips head
steelbrush
socket wrench
philips head wrench
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Complete Parts List is available at www.MillerWelds.com
tools/
flathead philips head
steelbrush
light-duty workclamp
1
wrench
crescent wrench
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nutdriver
drill
crescent wrench
chippinghammer
wrench
crescent wrench
nutdriver
chippinghammer
wirecutter
greasegun
filterwrench
Stop engine and let cool.
1 Generator Brush
2 Minimum Length: 5/8 in. (16 mm)
3 New Length: 1–1/4 in. (32 mm)
4 Damaged Brush
Mark and disconnect leads at brushholder
cap. Remove brushes.
Replace brushes if damaged or if brush ma-
terial is at or near minimum length.
�
View is from top of unit.
Stop engine.
1 Battery Locator Bracket Mounting Holes
Access battery as shown in Section 5-4. Dis-
connect battery.
Remove J-bolts securing battery and remove
battery.
Battery locator brackets can be moved to ac-
commodate batteries of different physical
sizes.
1
Install and secure replacement battery.
Connect negative (-) battery cable
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last.
frontcutter
OM-290968 Page 51