Service Manual

PTOManifoldService
(20 ft−lb)
27 N·m
(20 ft−lb)
27 N·m
(20 ft−lb)
27 N·m
(5 ft−lb)
6.7 N·m
8
6
7
5
(25 ft−lb)
34 N·m
(25 ft−lb)
34 N·m
(35 ft−lb)
47 N·m
10
9
1
4
2
3
g275409
Figure149
1.PTOmanifoldbody5.Reliefvalve(portRV1)9.Logiccartridgevalve(portLC1)
2.NWDSAE#4plugwithO−ring6.Proportionalreliefvalve(portPRV)10.Pilotdirectionalvalve(portPD1)
3.Orice(0.025)(portOR)7.Solenoidcoil
4.6zeroleakplugwithO−ring
8.Nut
Note:Theportsonthemanifoldaremarkedforeasyidenticationof
components.Example:RVisthereliefvalveportandP1isthegearpump
connectionport(seeAHydraulicSchematic(pageA–5)toidentifythefunctionof
thehydrauliclinesandcartridgevalvesateachportlocation).
Themanifoldsforthethree(3)cuttingdecksareverysimilar.Thefrontandright
sidePTOmanifoldsareidentical.TheleftsidePTOmanifoldusesthesame
cartridgesandplugsasthefrontandrightsidemanifoldsbutalsoincludesan
additionaloricethatthreadsintothemanifoldOR2port(Figure150).NOTE:
WhenservicingthePTOmanifolds,DONOTinterchangepartsfromone
manifoldtoanother.
Groundsmaster
®
4100-D&4110-D
Page5–163
HydraulicSystem:ServiceandRepairs
13203SLRevE