John Deere ET-3407 - Manual (Page 12)

12 14-Inch Abrasive Chop Saw Operator's Manual
MAINTENANCE:
BRUSH INSPECTION AND REPLACEMENT:
CAUTION: BEFORE INSPECTING THE
BRUSHES, DISCONNECT THE
MACHINE FORM THE POWER
SOURCE.
Brush life varies. It depends on the load on the motor.
Check the brushes after the first 50 hours of use for a
new machine or after a new set of brushes has been
installed.
After the first check, examine them after about 10
hours of use until such time that replacement is
necessary.
The brush holders (Fig. 9), are located on the motor
housing opposite each other. Remove and inspect the
carbon or either brush are worn to 3/16" in length or if
either spring or shunt wire are burned or damaged in
any way, replace both brushes.
If the brushes are found serviceable after removing,
reinstall them in the same position as removed.
STORAGE:
For storage, link the chain on the hook as shown in
Fig. 10.
(Fig. 10)
(Fig. 9)
Maintenance and Inspection