Toro Workman HD Series Service Manual page 181

Battery Terminal Protector
Aerosol spray that should be used on battery terminals,
ring terminals, and fork terminals to reduce corrosion
problems. Apply battery terminal protector to the con-
nection after the battery cable, ring terminal, or fork ter-
minal has been secured.
Toro Part Number: 107- 0392
Figure 4
Workman HD Series Page 8 - 3 Electrical System