Download Print this page

Ryobi Homelite RY48ZTR75/100 Manual page 39

Electrical components troubleshooting and testing

Advertisement

NEG
(-)
< Table of Contents
Testing Relay
1. Power Mower ON.
2. Set DMM to "DC Volts".
3. Check for 12V on the small terminals
4. Check for approximately 39+V on
POS
(+)
Alternate method to test relay
independent of mower:
1. unbolt one leg of diode if equipped.
2. Set DMM to measure Resistance.
3. Connect DMM to large terminals.
4. Apply 12V to small terminals.
5. You should hear a click as the relay switch
Nominal resistance 1.5 Ohms
(under the black caps).
the large terminals (under the red caps).
Is activated, and measure small resistance
at relay terminals
39

Advertisement

loading