Toro Groundsmaster 7210 - Servicing the Polar Trac Hydraulic Control Valve

ServicingthePolarTracHydraulicControlValve
g034395
Figure126
1.Checkpoppet12.O-ring
23.Detentspring
2.Detentplunger13.Retainingring
24.O-ring
3.Spacer
14.Washer
25.O-ring
4.Spool15.Seatretainingplug
26.Back-upwasher
5.Seat(3each)16.Spoolspring27.O-ring
6.Solidplug
17.Disc
28.O-ring
7.Seatretainingplug(2each)
18.Plug
29.O-ring
8.Bushing19.Detentplug30.Back-upwasher
9.Checkspring
20.Wiperseal31.Plug
10.Spoolcap(2each)
21.Plunger
32.O-ring
11.Valvebody22.Detentplunger
33.Spool
DisassemblingthePolarTracHydraulicControlValve
1.Plugalltheportsandcleantheoutersurfaceofthevalve.
Groundsmaster7210
Page4–121
HydraulicSystem:ServiceandRepairs
16222SLRevC