Taylor TX180S, Maintenance Manual

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22-3 22-3 TX / TXH / TXB 180S - 400L (Rev. 4/23/07) TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
O O
PARKING BRAKE SOLENOID PARKING BRAKE SOLENOID
PB PB
RV1 RV1
RV3 RV3
P3 P3
ACC2 ACC2
Illustration 22-2. Illustration 22-2. Manifold Manifold (Engine (Engine Side) Side)
PB PB - (Parking Brake) Supply connection to the - (Parking Brake) Supply connection to the
parking brake chamber. parking brake chamber.
Cool Cool - (Service brake cooling) Cooling fluid supply - (Service brake cooling) Cooling fluid supply
to one of the service brake. to one of the service brake.
CK1 CK1 - (Check Valve) Isolates higher brake pres- - (Check Valve) Isolates higher brake pres-
sure circuits from lower pump pressure. sure circuits from lower pump pressure.
P3 P3 - (Auxiliary Pump Port) Supply connection from - (Auxiliary Pump Port) Supply connection from
primary pump. primary pump.
ACC2 ACC2 - (Accumulator Port) Service brake accumu- - (Accumulator Port) Service brake accumu-
lator supply. lator supply.
RV3 RV3 - (Pressure Relief) Thermal relief for ACC2 - (Pressure Relief) Thermal relief for ACC2
accumulator. accumulator.
RV1 RV1 - (Pressure Relief) Primary pump relief - (Pressure Relief) Primary pump relief
Parking Brake Solenoid Parking Brake Solenoid - Controls parking brake - Controls parking brake
apply / release. apply / release.
O O - (Orbitrol Port) Supply port to steering orbitrol. - (Orbitrol Port) Supply port to steering orbitrol.
PRV1 PRV1
PPM PPM
RV2 RV2
LC3 LC3
LC2 LC2
ORF3 ORF3
Illustration 22-3. Illustration 22-3. Manifold Manifold (Mast (Mast Side) Side)
LC2 LC2 - (Logic Control) Controls flow to steering. - (Logic Control) Controls flow to steering.
LC3 LC3 - (Logic Control) Controls flow to steering and - (Logic Control) Controls flow to steering and
hoist/tilt functions. hoist/tilt functions.
PRV1 PRV1
- (Pressure Reducer) Controls maximum - (Pressure Reducer) Controls maximum
pilot pressure. pilot pressure.
RV2 RV2 - (Pressure Relief) Controls maximum steer - (Pressure Relief) Controls maximum steer
pressure. pressure.
PPM PPM - (Pilot pressure measure) Gauge port to - (Pilot pressure measure) Gauge port to
check pilot pressure. check pilot pressure.
ORF3 ORF3 - (Orifice #3) This orifice stabilizes the - (Orifice #3) This orifice stabilizes the
unloader valve (UNL1). unloader valve (UNL1).
Side Illustrated Side Illustrated
B B
PBM PBM
flow/pressure signals to the accumulator charge flow/pressure signals to the accumulator charge
circuit. circuit. The The check check valves valves isolates isolates the the parking parking and and
service brake circuits from lower brake cooling service brake circuits from lower brake cooling
pressures. pressures.
LC1 LC1 - (Logic Control Number one) Logic control - (Logic Control Number one) Logic control
for accumulator circuit. for accumulator circuit.
LSO LSO - (Load sense) Steering load sense connec- - (Load sense) Steering load sense connec-
tion from orbitrol. tion from orbitrol.
LSM LSM - (Load Sense Measure) Port for load sense - (Load Sense Measure) Port for load sense
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