Toro Groundsmaster 5900 Series Service Manual page 286

INPUT/OUTPUT (continued)
Electrical System: InfoCenter Display
To lower the left wing deck, the following inputs and qualifiers are required
(Figure 153):
•
Operator seat needs to be occupied (SEAT ON).
•
High/Low traction speed range switch in LO position (HIGH RANGE
REQUEST OFF).
•
Hydraulic solenoid valve SV should be de−energized (HIGH RANGE OFF).
•
Left wing deck raise/lower switch pressed to lower (LEFT DECK LOWER ON).
If the proper inputs and qualifiers exist, the following outputs should occur
(Figure 153):
•
Hydraulic solenoid valve S1 should be energized (MASTER LIFT SOLENOID
ON).
•
Hydraulic solenoid valve S3 should be energized (LEFT DECK LOWER ON).
•
Hydraulic solenoid valve S4 should be energized (LEFT DECK FLOAT ON).
g288317
Once the deck is fully lowered, the deck should float and following outputs
should occur (Figure 154):
•
Hydraulic solenoid valve S4 should be energized (LEFT DECK FLOAT ON).
Note: If a deck is already fully lowered when the key switch is moved
from OFF to RUN, the deck will not be in float until the deck raise/lower
switch is momentarily pressed to lower.
Figure 154
(Float)
Page 6–24 Groundsmaster ® 5900 & 5910
16227SL Rev B