Use a test meter to measure the coil resistance [Figure 20-40-17]. Coil wires do not have polarity. Correct resistance for the coil is 7-10 ohms.
Replace the test meter with 12 volt power. You can see and hear the spool shift.
Hydraulic Tractor Troubleshooting
Use a test meter to measure the coil resistance [Figure 20-40-17]. Coil wires do not have polarity. Correct resistance for the coil is 7-10 ohms.
Replace the test meter with 12 volt power. You can see and hear the spool shift.