Toro Reelmaster 3550-D Preliminary Service Manual page 45

Battery Hydrometer
Use the battery hydrometer when measuring specific
gravity of battery electrolyte. Obtain this tool locally.
Battery Terminal Protector
Aerosol spray that should be used on battery terminals
to reduce corrosion problems. Apply battery terminal
protector after the battery cable has been secured to the
battery terminal.
Toro Part Number: 107- -0392
Reelmaster 3550--D Page 5 - - 5
Figure 4
Figure 5
Electrical System