Hitachi C 10FM Technical Data And Service Manual page 25

Item
Phenomenon
4 Saw blade does not
rotate when switch is
triggered.
Saw blade runs too
5
slow.
(Not within 4050 ---
4950/min.)
Cause (s)
a The power cord is not
connected to power
supply.
b The carbon brush
wear exceeds
allowable limit (6 mm).
c Contact failure of the
switch.
a Power supply voltage
is lower than rated
voltage.
--- 23 ---
Factory
Inspection • Repair •
standard
------ • Check power supply voltage.
• Connect the power cord to
power supply.
------ • Check the Carbon Brushes [99]
for wear.
• Replace the Carbon Brushes
[99].
------ • Check the Switch [6] for
conductivity.
• Replace the Switch [6].
------ • Check for power supply
voltage.
• Check that extension cord is
appropriate. See the
Instruction Manual for
appropriate extension cords.
Adjustment