Toro Groundsmaster 4300-D Service Manual page 205

Servicing the Lift Control Manifold (continued)
Groundsmaster ® 4300-D
16226SL Rev C
Ensure that the cutting decks are fully lowered and supported before
loosening the hydraulic lines, cartridge valves, or plugs from the
lift control manifold.
If the decks are not fully lowered as the manifold components are
loosened, the decks may drop unexpectedly.
WARNING
Page 4–143 Hydraulic System: Service and Repairs