Safety Device Intervention Table - Stiga MPV 320W Workshop Manual

WORKSHOP MANUAL
MPV 320W / 520W

7.1.2 Safety device intervention table

The safety devices intervene on the engine, preventing ignition or stopping it in the event
where the required machine operating conditions are no longer met.
The engine ignition conditions are:
- Parking brake engaged.
- Blades disengaged.
- Grass catcher closed.
- Right side bonnet shut
- Bonnet behind the seat shut
The following tables show the correlations on the engine produced by the action of the operator in
the case study of the various possible situations.
a) During ignition:
Operator
Seated
Seated
Seated
Seated
None
None
None
b) While mowing the grass:
Operator
Seated
Seated
Seated
Seated
Seated
None
None
Notes
1) In any case, the top cover and the left bonnet must be closed.
2) The tilting of the catcher always causes the disengagement of the PTO of the blades.
Brake
Engine
Parking
Engaged (ON)
Disengaged (OFF)
Disengaged (OFF)
Engaged (ON)
Disengaged (OFF)
Disengaged (OFF)
Disengaged (OFF)
Brake
Engine
Parking
Engaged (ON) Running
Disengaged (OFF) Running
Engaged (ON) Running
Engaged (ON) Running
Disengaged (OFF) Running
Engaged (ON) Running
Engaged (ON) Running
Chapter
7 - ELECTRICAL SYSTEM
The blade engagement and grass cut-
- Operator seated.
- Parking brake disengaged.
- Grass catcher closed.
- Right side bonnet shut
PTO
Blade Control
Off Disengaged (OFF)
Off Disengaged (OFF)
Off Disengaged (OFF)
Off Engaged (ON)
Off Disengaged (OFF)
Off Disengaged (OFF)
Off Engaged (ON)
PTO
Blade Control
Disengaged (OFF)
Disengaged (OFF)
Engaged (ON)
Disengaged (OFF)
Engaged (ON)
Disengaged (OFF)
Disengaged (OFF)
ting conditions are:
Action
Machine ignition
Machine ignition
Machine ignition
with the drive pedal
pressed
Machine ignition
Machine ignition
Machine ignition
with the drive pedal
pressed
Machine ignition
Action
Inserting the blades
The operator leaves
his seat
The operator leaves
his seat
The operator leaves
his seat
The operator leaves
his seat
Press the transmis-
sion pedal
The transmission
pedal is in "neutral"
EDITION PAGE
2017 49 /
64
Result
The engine starts
Engine does NOT
start
Engine does NOT
start
Engine does NOT
start
Engine does NOT
start
Engine does NOT
start
Engine does NOT
start
Result
The blades engage
The engine stops
The engine stops
The engine keeps
running
The engine stops
The engine stops
The engine keeps
running