Honda HRM300, Manual

Page: 87 / 324

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SERVICE INFORMATION
SERVICE INFORMATION
MAINTENANCE STANDARDS
FRAME
Unit: mm (in)
ELECTRIC
TORQUE VALUES
Part Item Standard Service limit
Rotary blade Rotary blade width 17.3 – 18.7 (0.68 – 0.74) 15.0 (0.59)
Part Item Connector/terminal Standard
Traction
motor
Winding resistance
(at 20 °C/68 °F)
/
No.5 (Black) - No.6 (White)
1.1 - 1.3 Ω No.5 (Black) - No.7 (Red)
No.6 (White) - No.7 (Red)
Blade motor
Winding resistance
(at 20 °C/68 °F)
No.5 (Black) - No.6 (White)
0.6 - 1.8 Ω No.5 (Black) - No.7 (Red)
No.6 (White) - No.7 (Red)
Battery
Voltage No.1 (Red) - No.4 (Black) 15.0 - 24.9 V
Resistance
(at – 20 to 60 °C/
– 4 to 140 °F)
No.2 (Blue) - No.4 (Black) 4.7 - 198 k Ω
Transformer
Resistance
(at 20 °C/68 °F)
Plug
EAE/EAS 27 - 56 Ω
EAB 32 - 63 Ω
2P connector 0.6 - 1.8 Ω
Item Tread Dia. (mm)
Torque values
Remarks
N·m kgf·m lbf·ft
Front cover screw M4 tapping screw 1.2 0.12 0.9
Display screw M4 tapping screw 1.2 0.12 0.9
Lift sensor screw M4 tapping screw 0.4 0.04 0.3
Obstruction sensor screw M4 tapping screw 0.4 0.04 0.3 Not same with lift sensor and
area sensor screw.
Area sensor screw M4 tapping screw 0.4 0.04 0.3
Stop switch screw/nut M3 pan screw
/M3 (Self-lock nut)
0.4 0.04 0.3
Charge socket screw M4 tapping screw 1.2 0.12 0.9
Rotary blade bolt M5 x 0.8
(Blade bolt)
4.5 0.46 3.3
Blade disk nut M8 x 1.25
(Self-lock nut)
29 3.0 21
Rear wheel nut M6 x 1.0
(Self-lock nut)
11 1.1 8
Blade motor bolt M6 x 1.0
(Special bolt)
9 0.92 6.6
Traction motor bolt M6 x 1.0
(Special bolt)
9 0.92 6.6
Battery case screw M3 tapping screw 0.4 0.04 0.3
Station cover screw M5 tapping screw 0.6 0.06 0.4
Charge plug upper cover
screw
M5 tapping screw 2.0 0.20 1.5