Toro Groundsmaster 5900 Series Service Manual page 43

Groundsmaster ® 5900 & 5910
16227SL Rev B
Problem
High range traction speed (transport) will not
engage.
Parking brake cannot be disengaged with
engine running.
Possible Cause
An electrical problem exists that prevents
solenoid valve (SV) operation in traction
manifold (see
(page 6–1)).
Solenoid valve SV in traction manifold is
leaking or faulty.
PD cartridge valve(s) in traction manifold is
(are) leaking, damaged or sticking.
An electrical problem exists between parking
brake control switch and solenoid valve (S10)
in steering/deck lift manifold (see
Electrical System (page
Solenoid valve (S10) in steering/deck lift
manifold is stuck or damaged.
Page 3–5
Chapter 6: Electrical System
Chapter 6:
6–1)).
Troubleshooting: