Service Manual

RemovingtheTandemPiston(Traction)Pump(P1)and(P2)(continued)
6.Removethemanifoldsupportassembly.
7.Removetheairap(item2inFigure29).
8.Labelanddisconnectthewireharnessatthe4pistonpumpservocontrol
solenoidcoils.
9.Labelanddisconnectthewireharnessatthe2tractionpressuresensors.
10.Topreventcontaminationofthehydraulicsystemduringgearpumpand
piston(traction)pumpremoval,thoroughlycleantheexteriorofthegear
pump,pistonpump,andallttingsandhose/tubeconnections.
11.Disconnectthesuctionhosefromthebottomofthegearpumpandthe
pressurehosesfromthetopofthegearpump.Putplugsintheopen
hydraulichoses.Labeldisconnectedhydraulichosesforproperreassembly.
12.Markthettingorientationtoallowforcorrectassemblythenremovethe
ttingsfromthegearpumpanddiscardtheO-rings.
13.Removethe2capscrewsandplainwashersthatsecurethegearpumpto
thepistonpumpandslidethegearpumprearwardandoutofthemachine.
14.Plugthegearpumpports,thenlocateanddiscardtheO-ringbetweenthe
gearpumpandthepistonpump.
15.Labelandremoveallofthehydrauliclinesthatconnecttothepistonpump.
Installplugsorcapsondisconnectedhydraulichosesandttingstoprevent
contaminationofthehydraulicsystem.
g267355
Figure41
1.T andempiston(traction)pump4.Tractionpressuresensor–front
2.R-clamp5.Tractionpressuresensor–rear
3.Hangerplate
16.RemovetheR-clamp(item2inFigure30)fromthehangerplate.
Outcross9060
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HydraulicSystem:ServiceandRepairs
18234SLRevC