Toro TIMECUTTER 74685 Service Manual page 195

PTO Clutch Testing (continued)
Model Number
74694, 75750, 75751,
75753, 75755, 75759
75755TA, 75754, 75757,
75760
74685, 74687, 74690,
75742TA, 75745TA, 75740,
75741, 75742, 75743,
75744, 75745
74710
PTO Clutch Continuity to Ground Check
TIMECUTTER® Service Manual
3433-938 Rev A
g309780
5. See the PTO Clutch Electrical Specifications chart below:
Resistance (OHMs)
3.69 ± 5%
3.05 ± 5%
3.02 ± 5%
3.02 ± 5%
1. Park the machine on a level surface and set the parking brake. Stop the
engine, wait for all moving parts to stop and remove the key.
2. Disconnect the clutch wire connector.
3. Set the multi-meter to measure resistance (OHM setting).
4. Connect one multi-meter lead to the engine, chassis or battery ground.
Connect the other multi-meter lead to each of the clutch connector terminals.
5. The 2 clutch connector terminals should never have continuity to ground
and should OPEN at all times.
6. If continuity is found between the PTO connector and ground, the PTO clutch
and the PTO switch must be replaced.
Figure 273
AMP Draw
3.25A
3.93A
3.97A
3.97A
Page 8–7
Continuity to Ground
Open
Open
Open
Open
Electrical System: Service and Repairs