102 - 122
7.3
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- SAFETY MICROSWITCHES AND SWITCHES
OPERATION CHECK
1 / 1
from
2000
to
••••
WORKSHOP MANUAL
page
7.3 SAFETY MICROSWITCHES AND SWITCHES
OPERATION CHECK
This check is made by detaching all the connectors
and by using the tester in the Ohm-meter function.
This operation must be performed without the opera-
tor aboard, making contact with the ferrules on the
contacts of the wiring connector
(1)
and must give
these results:
No. of Contacts
Tester reading and condition
GRASS-CATCHER ATTACHED MICROSWITCH
6 - 7
∞
(without g.catc.) O (with g.catcher)
OPERATOR PRESENCE
6 - 3
∞
(absent)
O (seated)
PARKING MICROSWITCH
6 - 2
O (free)
∞
(engaged)
BLADES MICROSWITCH (OR PUSH-BUTTON)
6 - 1
∞
(engaged)
O (disengaged)
“IN NEUTRAL” SIGNAL
17 - 8
O (drive)
∞
(neutral)
GRASS-CATCHER FULL MICROSWITCH
17 - 9
∞
(empty)
O (full)
FUEL WARNING LIGHT
6 - 4
O (reserve)
∞
(full)
OIL PRESSURE WARNING LIGHT
17 - 16
O (always)
IGNITION KEY
14 - 18
∞
(OFF)
O (ON)
O (START)
14 - 15
∞
(OFF)
∞
(ON)
O (START)
ENGINE STOP
This operation must be done making contact with the
ferrules on the contacts of connector CN3 and CN4
(2)
of the card, keeping all other connectors connect-
ed, and must give this result:
No. of Contacts
Tester reading and condition
17 - 13
O (Always)
3/2002
CN4
18
17
16
15
14
1
2
3
4
5
13 12 11 10
9
8
7
6
CN3
CN2
CN1
2
18
17
16
15
14
13 12 11
10
2
CN4
18
17
16
15
14
1
2
3
4
5
13 12 11 10
9
8
7
6
CN3
CN2
CN1
18
17
16
15
14
13 12 11
10
9
8
7
6
5
4
3
2
1
1
1
1
1
<= ... RET ... <=
