Toro 41188, Руководство по обслуживанию

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Multi Pro 1750
Page 5 − 61
Electrical System
Tank Clean Rinse Kit Switch (Optional)
The clean tank rinse kit switch is used to turn the optional
rinse pump ON or OFF. Pressing the upper portion of the
switch energizes the rinse pump for a 60 second timed
period. Pressing the lower portion of the switch ener-
gizes the rinse pump momentarily (pump remains ON
only as long as the switch is pressed). The light on the
switch will illuminate when the rinse pump is operating.
The Toro Electronic Controller (TEC) monitors the op-
eration of the rinse kit switch as an input and provides
an output to energize the rinse pump relay. The rinse kit
switch is located on the control console to the right of the
operator seat (Fig. 84).
Testing
The rinse kit switch and its circuit wiring can be tested
as a TEC input or qualifier using the InfoCenter Display
(see InfoCenter Display − Diagnostics Screen in this
chapter). If testing determines that the switch and circuit
wiring are not functioning correctly, proceed with the fol-
lowing test procedure:
1. Park machine on a level surface, stop spray pump,
stop engine and engage parking brake. Remove key
from ignition switch.
2. Remove console panel. Locate rinse kit switch and
unplug machine wire harness connector from switch.
3. With the use of a multimeter (ohms setting), the
speed/throttle lock switch functions may be tested to de-
termine whether continuity exists between the various
terminals for each switch position. The switch terminals
are marked as shown (Fig. 85) and the circuitry of the
switch is shown in the table (Fig. 86). Verify continuity
between switch terminals.
4. Terminals 7 (−) and 8 (+) are used for the indicator
light in the switch. The light should be illuminated when
the switch is in the Timer ON or Momentary ON position.
5. Replace the rinse kit switch if testing determined that
it is faulty.
6. If the switch tests correctly and a circuit problem still
exists, check wire harness (see Electrical Schematic
and Wire Harness Drawings in Chapter 10 − Electrical
Drawings in this manual).
7. Connect the harness connector to the speed/throttle
lock switch after testing. Install console panel to ma-
chine.
1. Control console 2. Rinse kit switch (opt.)
Figure 84
2
1
Figure 85
BACK OF SWITCH
SWITCH
POSITION
CLOSED
CIRCUITS
OPEN
CIRCUITS
ON 2 + 3 2 + 1
NEUTRAL NONE ALL
OFF 2 + 1 2 + 3
Figure 86
NOTE: Clean tank rinse kit switch terminals 4, 5 and 6
are not used on Multi Pro 1750 machines.
Electrical
System