10-8
dummyhead
dummyhead
OTHER ELECTRICAL
Remove the screws [1], battery upper cover [2] and
lower cover [3] from the battery [4].
Remove the battery setting plates [5].
Installation is the reverse order of removal.
Be careful not to damage the tabs.
BATTERY INSPECTION
BATTERY VOLTAGE INSPECTION
Remove the battery (page 10-7).
Measure the voltage between the battery 4P connector
No.2 terminal and No.3 terminal.
If the battery voltage is low, charge the lawnmower at
docking station.
THERMISTOR RESISTANCE
INSPECTION
Measure the resistance between the battery 4P
connector No.1 terminal and No.3 terminal.
If measured resistance is not in above table, replace the
battery.
TORQUE:
BATTERY CASE SCREW: 0.4 N·m
(0.04 kgf·m, 0.3 lbf·ft)
[1]
[2]
HRM500 shown:
[3]
[4]
[5]
Battery 4P connector
Voltage (V)
(at 20 °C/68 °F)
No.1 (Red) –
No.4 (Black)
15.0 - 24.9
4P battery shown:
Battery 4P connector
Resistance (k
Ω
)
(at – 20 to 60 °C/
– 4 to 140 °F)
No.2 (Blue) –
No.4 (Black)
4.7 - 198
To prevent short, make absolutely certain which
are the positive and negative terminals or cable.
Содержание HRM300
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