Service Manual

WARNING
Ifcombinationmanifoldisattachedtomachine,makesurethat
cuttingunitsarefullyloweredbeforelooseninghydrauliclinesor
cartridgevalvesfromcombinationmanifold.Ifcuttingunitsare
raisedascomponentsareloosenedinmanifold,cuttingunitsmay
dropunexpectedly.
Note:Thecombinationmanifoldusesseveralzeroleakplugs.Theseplugshave
ataperedsealingsurfaceontheplugheadthatisdesignedtoresistvibration
inducedplugloosening.ThezeroleakplugsalsohaveanO−ringasasecondary
seal.Ifzeroleakplugremovalisnecessary,lightlyraptheplugheadusinga
punchandhammerbeforeusinganallenwrenchtoremovetheplug:theimpact
willallowplugremovalwithlesschanceofdamagetothesocketheadoftheplug.
CombinationManifoldService
2
3
6
8
1
5
7
4
1
1
1
1
2
(20 ft−lb)
27 N·m
(20 ft−lb)
27 N·m
(25 ft−lb)
34 N·m
(25 ft−lb)
34 N·m
g275443
Figure119
1.#4zeroleakplug5.Orice(0.063)
2.#6zeroleakplug
6.Checkvalve
3.Orice(0.040)7.Compensatorvalve
4.#4zeroleakplug
HydraulicSystem:ServiceandRepairs
Page5–126
Groundsmaster
®
4100-D&4110-D
13203SLRevF