Multi Pro 1200/1250
Page 5 -- 12
Electrical System
Pump Control and Neutral Engine Speed Control Switches
The pump control and neutral engine speed control
switches are identical switches. The pump control
switchislocatedonthesprayer(rightside)console(Fig.
15). The neutral engine speed control switch is posi-
tioned on the control console (Fig. 16).
Testing
1. Park machine on a level surface, stop engine, en-
gage parking brake and remove key from ignition
switch.
2. Locate switch, remove console panel and unplug
machine wire harness connector from switch.
3. The switchterminalsaremarkedas showninFigure
17. In the ON position, continuity should exist between
terminals2and3.InthemomentarySETposition,conti-
nuity should exist between terminals 2 and 3 and also
between terminals 5 and 6. In the OFF position, there
should be no continuity between any switch terminals.
NOTE: When the switch is pressed to the momentary
SETposition,terminals5and6areusedtoinitiallyener-
gize the controlled component (pump drive clutch or
cruisecoil)andtosetupalatchcircuitthroughterminals
2 and 3. This latch circuit keeps the component ener-
gizedthroughterminals2and3whentheswitchreturns
to the ON position. Pressing the switch to OFF opens
this latch circuit and de--energizes the component.
4. Terminals 7 (--) and 8 (+) are used for the indicator
light in the switch. The light should be illuminated when
theswitchisintheONpositionwhilethecontrolledcom-
ponent is energized.
5. Connect the harness connector to the switch after
testing. Install console panel to machine.
1. Pump switch (MP 1200) 2. Pump switch (MP 1250)
Figure 15
MULTI PRO 1200 MULTI PRO 1250
1
2
1. Control console 2. Engine speed switch
Figure 16
1
2
Figure 17
BACK OF SWITCH
823
756
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