Starter Motor Activated - Husqvarna RB150 Workshop Manual

Starter motor activated

See fig. 4.
Ignition switched on as in the previous description.
The circuit is made via S and B in the ignition switch
S9 and is fed to the operating coil of the starting
relay K3. The operating coil is earthed via the
following components:
• Microswitch S8 underneath the clutch pedal.
• Switch S4 of the cutting unit, which is to be in
the OFF mode.
• Relay K2.
When starting relay K3 is activated, the positive pole
of the battery is connected to the starter motor.
Bold dotted line = Path of the current when ignition
is switched on.
Bold line = Path of the current through the operating
circuit of the starting relay and feed to the starter
motor.
ELECTRICAL SYSTEM
1. Engine
2. Engine stop function
3. Carburettor jet
4. Headlight
5. Cutting unit clutch
6. Battery 12 V, 20 Ah
C1. Capacitor 47µF, 150 V
F1. Fuse, 5 A
F2. Fuse, 15 A
G. Generator
K1. Relay
K2. Relay
K3. Starting relay
M. Starter motor
R1. Resistor
S1. Reset switch
S2. Changeover switch, manual/automatic
S3. Lights switch
S4. Switch, cutting unit
S5. Microswitch, grass collector full
S6. Microswitch, grass collector
S7. Microswitch underneath operator's seat
S8. Microswitch underneath clutch pedal
S9. Ignition switch
E
fig. 4
English – 27