Toro Groundsmaster 4300-D Service Manual page 123

Test Procedure (continued)
Groundsmaster ® 4300-D
16226SL Rev C
9. If the pressure readings are within specifications and cutting deck
performance is still in question, test the cutting deck motors individually; refer
to Testing the Mow Circuit–Deck Motor Efficiency/Case Drain (page
10. If the pressure specifications are not met, consider the following:
A. The proportional relief valve (PRV1 or PRV2) is damaged; refer to
the Mow Circuit–Relief Valve (PRV1) and (PRV2) Pressure (page
B. The gear pump (P1/P2) is damaged; refer to
Circuit–Gear Pump (P1) and (P2) Flow (page
11. Disconnect the test equipment from the hydraulic manifold.
Page 4–61 Hydraulic System: Testing the Hydraulic System
4–62).
Testing
4–65)).
Testing the Mow
4–69).