DeckControlManifoldService(GM4500-D)
g308893
Figure126
1.Manifoldbody4.Reliefvalve(RV8&RV9)
7.Nut
2.Proportionalrelief(PRV1&PRV2)5.Logicvalve(LC1&LC2)8.Zeroleakplug(#6)
3.Solenoidcoil
6.Pilotpiston
9.Zeroleakplug(#8)
Note:Theportsonthedeckcontrolmanifoldaremarkedforeasyidentication
ofcomponents(e.g.P1isagearpumpconnectionportandPRV1isthelocation
foraproportionalreliefvalve).SeeAppendixA(pageA–1)toidentifythefunction
ofthehydrauliclinesandcartridgevalvesateachportlocation.
HydraulicSystem:ServiceandRepairs
Page5–134
Groundsmaster
®
4500-D/4700-D
19245SLRevA