Toro Greens Aerator, Руководство по обслуживанию

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Coring Head Switch Assembly
The coring head switch assembly monitors the position
of the coring head (raised or lowered) for correct aerator
5
3
4
1
7
10
8
9
2
operation. This switch includes two (2) normally open
ball switches, one (1) normally closed ball switch, a
spring loaded plunger and a housing (Fig. 13).
6
The plunger in the switch assembly is extended when
the coring head is lowered. In this position, the switches
are in their normal states (two are open and one is
closed).
11
The plunger in the switch assembly is pushed in when
the coring head is raised. In this position, the switches
are not in their normal states (two are closed and one
is open).
The adjustment procedure for the coring head switch
assembly is included in Operator’s Manual.
Figure 12
Testing 1. Coring Head Switch 7. Switch actuator
2. Self tapping screw 8. Lock washer (2 used)
9. Screw (2 used)
The switch can be tested for continuity at the wire har-
3. Adjustment screw
10. Screw (2 used) 4. Jam nut
ness connector as shown in Figure 14.
5. Seal 11. Flange nut (2 used)
6. Switch harness
When the switch plunger is extended, continuity should
exist across harness connector terminals B and C. Con-
tinuity should not exist between any other connector ter-
minals.
When the switch plunger is pushed in, continuity should
exist across harness connector terminals A and B and
also between terminals C and D. Continuity should not
exist between any other connector terminals.
If necessary, switch testing can be done at the switch
terminals
3
2
4
2
1
Figure 13
1. Switch housing 3. Switch: normally closed
2. Switch: normally open
4. Switch plunger
ORANGE
PURPLE
PURPLE
BLACK
YELLOW
BLACK
#2 SWITCH
.
#1 SWITCH
#3 SWITCH
A B
C D
OPEN)
OPEN)
CLOSED)
HARNESS
(NORMALLY
(NORMALLY
(NORMALLY
CONNECTOR
Electrical
System
Figure 14
Greens Aerator
Page 5 – 11
Electrical System