Toro Groundsmaster 4500-D Series User Manual

LiftControlManifoldService(GM4500-D)
g308991
Figure145
1.Manifoldbody7.Zeroleakplug(#4)13.Reliefvalve(portRV)
2.Proportionalreliefvalve(portTS)
8.Nut
14.Solenoidcoil
3.Solenoidvalve(portS6)9.Straighttting
15.Nut
4.Solenoidcoil(2used)10.O-ring16.Solenoidvalve(portS5)
5.Checkvalve(portCV)
11.Nut
6.Orice(0.080)12.O–ring
Note:Theportsontheliftcontrolmanifoldaremarkedforeasyidentication
ofcomponents(e.g.PisthesupplyconnectionportandR7isthelocationfor
theliftreliefvalve).SeeAppendixA(pageA–1)toidentifythefunctionofthe
hydrauliclinesandcartridgevalvesateachportlocation.
Note:Theliftcontrolmanifoldincludesseveralzeroleakplugs.Theseplugs
haveataperedsealingsurfaceontheplugheadthatisdesignedtoresist
vibrationinducedplugloosening.ThezeroleakplugsalsohaveanO-ringasa
secondaryseal.Ifzeroleakplugremovalisnecessary,lightlyraptheplughead
usingapunchandhammerbeforeusinganallenwrenchtoremovetheplug:
theimpactwillallowplugremovalwithlesschanceofdamagetothesocket
headoftheplug.
HydraulicSystem:ServiceandRepairs
Page5–158
Groundsmaster
®
4500-D/4700-D
19245SLRevA

Toro Groundsmaster 4500-D Series Specifications

General

Brand	Toro
Model	Groundsmaster 4500-D Series
Category	Lawn Mower
Language	English