Electrical Connection; Testing Starting Motors - Bosch KPS 003 Instructions D'emploi

7.3 Electrical connection

i The ground cable fitted to the generator clamping device
must be disconnected; otherwise false measurements are
possible.
7.3.1 Shunt-screw drive starting motor
10A
A 6V 12V 24V D+/61
_
+
V
7 14 28 INT. EXT.
RPM.
1 2 3 4 5
1500 3000 RPM.
Fig. 18 Fig. 18 Fig. 18: Connecting diagram shunt-screw drive starting motor Fig. 18 Fig. 18
Measuring and control cables (thin lines)
Power cables (thick lines)
7.3.2 Screw drive starting motor
10A
A 6V 12V 24V D+/61
_
+
V
7 14 28 INT. EXT.
RPM.
1 2 3 4 5
1500 3000 RPM.
Fig. 19 Fig. 19: Connecting diagram screw drive starting motor Fig. 19 Fig. 19 Fig. 19
Measuring and control cables (thin lines)
Power cables (thick lines)
i Starting motors with + to ground are to be connected in the
same basic manner.
32
50
30
50 AKKU
MINUS
50
300
AKKU
6V 12V 24V
START
1800 MINUS
+6V +12V
-300A
6000 60
12000 120
458473/7P
50
31
50 AKKU
MINUS
300 AKKU
6V 12V 24V
START
1800 MINUS
+6V
+12V
-300A
6000 60
52
12000 120
458473/8P

7.4 Testing starting motors

7.4.1 Load test
Is sufficient as a functional test (without test values) reveals:
- Out-of-round collectors
- Worn-out bushings
- Inter-turn short-circuit in armature or excitation winding
- Armature open-circuit
- Close the protective cover over the ring gear.
+24V
-1800A
- Switch on main switch (36).
Indicator lamp (36) lights up.
52 51
- Select the key 6, 12 or 24 (29) in accordance with the starting
motor (6 V, 12 V or 24 V).
LED lights up.
- Adjust current measuring range with key 300 / 1800 (29).
LED lights up.
Ammeter (45) set to current range 300 A.
LED off.
Ammeter (45) set to current range 1800 A.
- Set test speed with key 6000 / 12000 (30).
LED lights up.
Rotational speed display (44) set to test speed 6000 rpm.
30a LED off.
Rotational speed display (44) set to test speed 12000 rpm.
- Make battery connection by pressing the key AKKU MINUS (29).
50
LED lights up!
Indicator lamp (28) lights up.
+24V
-1800A
- Press START key (29).
51 LED lights up.
- and press starting motor test key (51) simultaneously.
Starting motor is running.
i Two-handed operation!
The keys START and starting motor test must be
pressed simultaneously to start the starting motor.
- Actuate brake pedal (13).
- Apply load to starting motor in accordance with characteristic
data.
Operators must wear ear protectors during
testing.