Toro Workman HD Series Service Manual page 252

D. System pressure should be approximately 2000
PSI (138 bar) as the relief valve lifts.
E. Open tester flow control valve, release accelera-
tor pedal to allow engine to return to low idle, turn
High Flow Kit switch OFF and stop engine. Record
test results.
Hydraulic System
11. If relief pressure is incorrect, inspect for a worn, stuck
or damaged relief valve (SVRV) in control manifold (see
Hydraulic Manifold (High Flow Hydraulics Kit) in the Ser-
vice and Repairs section of this chapter).
12.Remove tester from vehicle.
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