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Rev. B
Workman 200 Spray SystemPage 2 -- 6Electrical System
Supervisor Key Switch
The supervisor key switch (rate lockout) is located on
the spray controlenclosure faceplate (Fig. 6).When the
supervisorkeyswitch isintheOFF(locked)position,the
application rate switch is disabled.
The supervisor k ey switch used on sprayers with serial
numbers below 270000000 is shown in Figure 7. The
key switch used on sprayers with s erial numbers above
270000000 is shown in Figure 8.
Testing
1. Remove spray c ontrol enclosure faceplate, locate
supervisorkeyswitchandremovewireharnessconnec-
tors from switch.
2. Test switch for continuity as follows:
A. For sprayers with serial numbers below
270000000 (Fig. 7), when the key is in the ON posi-
tion, continuity should exist between the two switch
terminals. In the OFF position, there should be no
continuity between the switch terminals.
B. For sprayers with serial numbers above
270000000 (Fig. 8), when the key is in the ON posi-
tion, continuity should exist between switch termi-
nals AandD. Inthe OFFposition, thereshould beno
continuity between switch terminals Aand D. Switch
terminals B and Care not used onthe Workman 200
sprayer.
3. Reconnect the harness connectors to the switch af-
ter testing. Install console panel to machine.
1. Supervisor key switch
Figure 6
1
Figure 7
BACK OF SWITCH
FRONTOFSWITCH
OFF
ON
60
o
SERIAL NUMBER BELOW 270000000
Figure 8
BACK OF SWITCH
FRONTOFSWITCH
45
ON (UNLOCKED)
OFF (LOCKED)
o
SERIAL NUMBER ABOVE 270000000