Power Take-Off (Pto) Clutch Test; Check Coil Resistance; Check For Power; Check Ground Circuit - Husqvarna Z400 Series Service Manual

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Power Take-Off (PTO)
Clutch Test

Check Coil Resistance

Figure 6-39
1. Set multimeter to ohms.
2. Disconnect electrical connector on the PTO clutch.
See
3. Connect meter lead to clutch connector terminal 1.
4. Connect other meter lead to clutch connector
terminal 2. If resistance is within 2—4 ohms, the PTO
clutch coil resistance is good.

Check for Power

Figure 6-40
1. Set multimeter to DC volts.
2. With engine off, turn key switch to the RUN position.
3. On the main harness, connect the red lead from the
meter to the electrical connector terminal with the red
wire.
4. Connect the black lead from the meter to the
electrical connector terminal with the black wire.
Z400 Series
5. Engage PTO switch.
6. If the meter reading is the approximate battery
voltage, confirm leads are not damaged and air gap
is correct. Replace PTO clutch as necessary.

Check Ground Circuit

HUS1100
1. Set multimeter to ohms.
2. Connect the black lead from the meter to the chassis
ground.
3. On the main harness, connect the red lead from the
meter to the electrical connector terminal with the
black wire. If the meter reading is 1 ohm or less, the
PTO clutch is good.

Power Take-Off (PTO) Switch Check

See "Power Take-Off (PTO) Switch Test" on page 6-23.
HUS1101
6-25
ELECTRICAL
Figure 6-41
HUS1102

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