Toro Groundsmaster 5910 Series - Brake Release Manifold Service

BrakeReleaseManifoldService
1
1
2
3
4
4
5
6
7
8
(25 ft−lb)
34 N·m
(25 ft−lb)
34 N·m
(25 ft−lb)
34 N·m
(25 ft−lb)
34 N·m
(20 ft−lb)
34 N·m
(20 ft−lb)
34 N·m
FRONT
FRONT
g288019
Figure102
1.Manifoldblock4.#6zero−leakplug−withO−ring(2)
7.Hydraulicelbow
2.Handpump−HP
5.#6zero−leakplugwithO−ring8.Hydraulicstraighttting
3.Manualvalve−MV(pulltoopen0)6.Reliefvalve−RV
Theportsonthebrakereleasemanifoldaremarkedforeasyidenticationof
components.Example:BRKistheconnectionportforthefrontwheelmotor
brakesandRVisthelocationforthepressurereliefvalve(seeAHydraulic
Schematic(pageA–3)toidentifythefunctionofthehydrauliclinesandcartridge
valvesateachport).
Althoughnotrecommendedinmostsituations,reliefvalveRVisadjustable(see
AdjustManifoldReliefValves(page5–72)).
Note:Thebrakereleasemanifoldincludesseveralzero−leakplugs.These
plugshaveataperedsealingsurfaceontheplugheadthatisdesignedtoresist
vibrationinducedplugloosening.Thezero−leakplugsalsohaveanO−ringasa
secondaryseal.Ifzero−leakplugremovalisnecessary,lightlyraptheplughead
usingapunchandhammerbeforeusinganallenwrenchtoremovetheplug:the
impactwillallowplugremovalwithlesschanceofdamagetothesocketheadof
theplug.Tightenplugstotorquevalueprovided(Figure102).
CartridgeValveService
Forcartridgevalveserviceprocedures,seeCartridgeValveService(page
5–158).
HydraulicSystem:ServiceandRepairs
Page5–116
Groundsmaster
®
5900&5910
16227SLRevB