9 - 33
4. Connect meter leads wires in clutch connector.
5. If meter reads below 2.50 ohms or above 3.50
ohms, then the clutch has failed and needs to be
replaced.
6. If meter reads between 2.50 to 3.50 ohms, proceed
to Measure Clutch Current Draw.
Measure Clutch Current Draw
1. Turn engine off.
2. Disconnect clutch wire connections. Remove 30
amp fuse.
3. Select meter to check amps (10 amp scale).
4. Place meter leads into fuse holder.
5. Sit on the seat to make seat switch connections.
6. Turn the ignition switch to RUN and the PTO switch
to ON.
7. If the meter reads below 4.5 amps, the problem is
in the electrical system leading to the clutch
(Battery, relay, switch wiring).
If you find after measuring clutch coil resistance and
clutch current draw that:
1. The resistance falls between 2.50 and 3.50 ohms.
2. The amp draw is 4.50 or above.
3. The electric clutch is within factory specifications
and is not the source of the problem.
9.11 INTERLOCK SWITCH
1. Remove the subject interlock switch from the unit.
2. Set a VOM switch in the ohm (Rx1) position.
3. Connect the meter leads to the switch pins
4. No circuit (infinity) should be indicated.
5. Push in on the interlock switch plunger. A circuit
(zero ohms) should be indicated.
6. Connect one lead to the case and sequentially
through the switch pins with the other lead. No
circuit (infinity) should be indicated.
7. Replace the switch if it fails the above test.
9.12 FUSE HOLDER
1. Use a VOM with the switch set in the ohm (Rx1)
position.
2. Make a visual check of the fuse to determine that it
is not burned out. If the glass if clouded, check with
an ohmmeter (zero ohms).
3. Unplug the fuse holder and connect the ohmmeter
to the pins. A circuit (zero ohms) reading should be
indicated.
4. If no circuit is indicated, replace the fuse holder.
9.13 PRO 200 CHECK-OUT
Kohler Engine
Make sure that all switches are in their proper position,
with operator presence switched activated.
Step 1 - Check out the battery. Use a hydrometer on all
battery cells to see if one or more is bad. Also use a
voltmeter to check for proper voltage. Replace the
battery if necessary and/or charge to proper level.
Step 2 - Use a voltmeter to verify there is power to
terminal B, with the key switch in the off position. If
there isn’t, check connections at the start solenoid.
Step 3 - With the key in the run position, see that
power is transferred to terminal A. Terminal A supplies
power to the hourmeter. Terminal M is connected to the
engine magneto kill circuit, as terminal B brings in the
charge current from the engine to the battery.
Step 4 - With the key in the start position, power is
transferred to terminal S, and on to the start solenoid,
out the other side and through the neutral and PTO
switches, and one of the presence switches to ground.
Also from the solenoid to power the control module.
NOTE: One presence switch must be activated for
starting.
Figure 25
Summary of Contents for 988001
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