Scag Power Equipment STC Operator's Manual page 15

Section 4
DUMP VALVE
CONTROL LEVERS
STC99DVC
Figure 4-2 Dump Valve Control
4.2 SAFETY INTERLOCK SYSTEM
WARNING:
Never operate the mower with the interlock
system disconnected or malfunctioning. Do not
disengage or bypass any switch; injury to
yourself and others or property damage could
result.
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