9
RENR4869-02 July 2008
21
236/246/252/262
1011
Speed Sensing PressureTap Forward Pilot Port 4
FLUID POWER SYMBOLS BASICCOMPONENTSYMBOLS
20
6
5
Speed Sensing Valve
CC
MAINAUX.
PUMPor MOTOR
Forward Pilot Port
15 16
NeutralAdjustment Screw
CONTROLVALVES
LINERESTRICTION
RESTRICTION
PUMP: VARIABLEand PRESSURECOMPENSATED
2-SECTIONPUMP
(FIXED)
VARIABILITY
13 14
SPRING
FLUIDCONDITIONER
PRESSURE COMPENSATION
LINERESTRICTION
SPRING (ADJUSTABLE)
(VARIABLE)
TWOPOSITION
ONEPOSITION
TWO-WAY
THREEPOSITION
FOUR-WAY
THREE-WAY
CHECKVALVES
AB
PT NORMALPOSITION
6
VARIABLEandPRESSURE COMPENSATED
VALVEPORTS
CONTROLVALVES AB
216/226/232/242
ATTACHMENT
LINERESTRICTION
VALVES
VALVEENVELOPES
NeutralAdjustment Screw
H Y D R A UILC PNEUMT AI C ENERGYTRIANGLES
PT SHIF TEDPOS ITIO N
BASIC SYMBOL
I N FN I ITEPO S I TOI N
SPRING LOADED
S H U TL E
P LI O T CONTROLLED
FLUIDSTORAGERESERVOIRS
Right Forward Crossover Relief and Makeup Valve (MB2)
25 24 3
2
22
1
8
7
1718
26
V EN E T D
Left Forward Crossover Relief and Makeup Valve (MB1)
12 23 31 32
Charge Relief Valve
EE
LeftReverseCrossover Relief and Makeup Valve (MA1)
216B, 216B2, 226B, 226B2, 236B, 236B2, 246B, 232B, 232B2, 242B, 242B2, 252B, 252B2 & 262B Skid Steer Loaders Hydraulic System
Right Reverse Crossover Relief and Makeup Valve (MA1)
236/246/252/262 19
18
9
6
10
8
13 14
21
16
Forward TravelDrive Loop Pressure Port (MB1)
MaximumDisplacement Stop
MaximumDisplacement Stop
DD
Reverse Pilot Port Forward TravelDrive Loop Pressure Port (MB2)
Reverse Pilot Port Case Drain Port Forward TravelDrive Loop Port
FF
216B: RLL1-6799
216B2: RLL6800-UP
226B: MJH1-10574
226B2: MJH10575-UP
PRESSURE
236B2: HEN6750-UP
246B: PAT1-UP
232B: SCH1-2474
232B2: SCH2475-UP
242B2: BXM4225-UP
252B: SCP1-4599
252B2: SCP4600-UP
262B: PDT1-UP
216/226/232/242 6
25 24
15 20
3
17
1
7
2
22
Reverse TravelDrive Loop Port
HH
GG
236B: HEN1-6749
PUSH-PULL LEVER
MANUALSHUTOFF
Accumulato r
149-0686
CoolerAs-Radiator (216/232) CoolerAs-Radiator (226/242) CoolerAs-Radiator (236/246/25 2/262) 2 /262)
280-8309 280-8310 280-8312
Coupling - Female
193-8335
32 4
Schematic Location E-3 F-1 G-3
Coupling - Male
193-8334
14
G-3
Cylinder Gp -H -Hydraulic Coupler
192-2640
24
F-5 ,F ,F-6
CylinderGp-Lift Lt.Hand (216/226 ) CylinderGp-Lift Lt.Hand (232/242 ) CylinderGp-Lift Lt.Hand (236/246 ) CylinderGp-Lift Lt.Hand (252/262 )
230-3693 230-3703 230-3695 230-3705
CylinderGp-TiltLt.. Hand(216/226/232/242 ) CylinderGp-TiltLt.. Hand(236/246/252/262 )
230-3684 230-3687
CylinderGp-TiltRt. Hand(216/226/232/242 ) CylinderGp-TiltRt. Hand(236/246/252/262 ) Filter Gp - O il
18
17
16
230-3694 230-3697 223-9974
269-9427 238-7642
1
Screen
195-6768
23
1 8 5- 4 254
Switch As -B -Back Up Alarm
192-0836
15 6
G-4
G-4
G-4 G-4 F-2
Manifold As -D -Drain Manifold
218-5560
7
E-5
M o t o r Gp - A / CC CC ompr e s o sr
2 1 8- 6 840
26
MotorGp-Fan (216/232 ) MotorGp-Fan (226/242 ) MotorGp-Fan (236/252 ) MotorGp-Fan (246/262 )
216-6179 230-3727 225-9260 216-6193
5
MotorGp-(SingleSpeed) (216/226/2 32/242) 32/242) MotorGp-(SingleSpeed) (236/246/2 52/262) 52/262) MotorGp-(Two Speed) (236/246/2 52/262) 52/262)
280-7854 280-7856 280-7858
8
C,D-6,C,D-8 C,D-6,C,D-8 B,C-2,B,C-4
PumpGP- (SingleSpeed)(216/232) PumpGP- (SingleSpeed)(226/242) PumpGP- (TwoSpeed)(236/246/252/26 2) 2)
289-6340 289-6342 280-7858
2
B,C-6,B,C-8 B,C-6,B,C-8 A,B-1,A,B-4
E 1- , F-1
3 1
E-9
3
E-1 , E-2
22
C-8
19
216-6166 216-6167 216-6168 191-9686 216-6169 216-6170
ValveGp-FloatDetentMagnet Handle As - A1 & A2 Handle As - A1 & A2 HandleAs-A1& A2Proportional Pin-Spring- Slott
12
299-9119 218-6118 223-3725 215-8307 117-8683
Valve Gp - Hydraulic Coupler
209-0640
Tap Number
E- 4
21
204-1491 191-9783
PEDAL
G-6
EF , 3- , E, F- 5
11
INTERNAL SUPPLYPRESSURE
LINESJOINING
SINGLEACTING
DOUBLEACTING
INTERNALPASSAGEWAYS
VARIABLEDISPLACEMENT NON-COMPENSATED
INFINITE POSITIONING
Description
UNIDIRECTIONAL
FLOWINONE DIRECTION
BIDIRECTIONAL
PARALLEL FLOW
CROSS FLOW
MainWorktoolSystemPressure
BB
SOS
F-2
CC
Signal Pressure
D-7
DD
M ai n S ys t em P r e s s ur e ( Pu mp 1 F o w r a dr )
EE
Charge Pressure
FLOWALLOWEDIN EITHERDIRECTION
Printed in U.S.A.
31
Electrical Symbols Table HydraulicSymbols (Electrical)
Schematic Location
AA
TWO POSITION
THREE POSITION
2
2 A1 SOLENOI D P978-GN L998-OR
F-5
M
G
B - 3 , C 7-
Transducer (Fluid)
B-3, C-7
FF
M ai n S ys t em P r e s s ur e ( Pu mp 2 F o w r a dr )
B - 3 , C 7-
GG
M ai n S ys t em P r e s s ur e ( Pu mp 2 R e ve r se )
A - 2 , B- 7
HH
M ai n S ys t em P r e s s ur e ( Pu mp 1 R e ve s r e)
A - 3 , B- 8
Transducer (Gas/ Air)
Generator
ElectricMotor
1
F-8 AA
25
PressureSwitch (Adjustable)
Pressure Switch
ElectricalWire
TemperatureSwitch
F-5,6
ValveGp-InlineSelfLevelRaise (216/226) ValveGp-InlineSelfLevelRaise (232/242) ValveGp-InlineSelfLevelRaise (236/246) ValveGp-InlineSelfLevelRaise (252/262)
224-9408 223-8408 224-9418 223-8418
20
G-7
ValveGp-S-TurnResolverBlock HandleAs-ControlFlow HandleAs-Horn& ControlFlow HandleAs-Horn& ControlFlow Pin-Spring- Slott
299-9116 218-6117 218-6118 223-3725 117-8683
10
F-9
ValveGp-Brake(SingleSpeed) ValveGp-Brake(TwoSpeed)
208-5681 222-3692
9
D-8 C-3
ElectricalSymbols(Electrical)
F-1 , F-2
Implement & Charge Pump (1), Hydrostatic Pump (2), Implement Control Valve (12), A1 & A2 Solenoids (31), and Main Work Tool Pressure Tap (AA)
12
T
Pressure Symbol
Temperature Symbol
Level Symbol
Flow Symbol
Wire NumberIdentification Codes IMPPILOTSOL P988-OR 975-WH
ElectricalSchematicExample
TRAVELSOL H416-GN 975-WH
SPEEDSOL P981-PU L999-GN
Hydraulic Schematic Example Current Standard
Current Standard
20 DVTRXRMTL 2x F905-YL 2x 200-BK
Harnessi dentification code This example indicates wire 135 in harness "AG".
10
Wire Circuit Number Identification
Wire Color
325-AG135 PK-14
BACKUPPRESSSW 120-YL 321-BR
W ier Co ol r
W ri eG au ge
Previous Standard
DETENTCOIL P988-OR 975-WH
11
Wire Color
Wire
9
Inline Self Level Valve - Raise (20) 325-PK-14 B Circuit Number Identification
(EXAMPLEVALVE)
Implement Pilot Valve (11) COUPLERSOL 779-WH 2x K927-BU 780-PU
COUPLERSOL 779-WH 2x K927-BU 780-PU
BB A/C SOLENOID 513-OR 200-BK
RelatedManuals Description
Media Number PartsManual
SkidSteerLoaders216B s 216B,226B,232B&242B 19
SkidSteerLoaders236B s 236B,246B,252B&262B
SEBP 3770 SEBP 3769
MachineSystem
25
5 19
25
Motor Gp A/C (26)
R E NR 4 89 5
Testingan t ingan d Adjusting216B,22 dAdju 6 B,232B&242B 6B,232
RENR4897
S pe cfii ca toi n s 2 36B , 2 4 6B , 2 52 B & 2 62 B
R E NR 4 86 5
Testingan t ingan d Adjusting236B,24 dAdju 6 B,252B&262B 6B,252
RENR4867
S ch e ma t ci : E ( el ct ir ca lS ys e t m )
Hydraulic Fan Motor (5) & SOS Port (BB) Manual Lower Ball Valve (19) & Quick Coupler Valve (25) L oc oc at io ns s ho wn a re f or 2 36 B, 2 46 B, B, 2 52 B an d 26 2B 2B .
S pe cfii ca toi n s 2 16B , 2 2 6B , 2 32 B & 2 42 B
ElectricalSystem
26
A
Wire Gauge
Travel Pilot Valve (10)
Single Speed Valve (9)
R EN R6 41 9
) s e h c n i 8 2 x s e h c n i 9 3 : s n
2 0 9 6 8 4 R N E e , R g a
o i s n e m i D (
P 0 3
325-PK Circuit Identification Number
Manual Lower Ball Valve (19) & Quick Coupler Valve (25) L oc at at io ns ns s ho wn a re f or 2 16 B, B, 2 26 B, B, 2 32 B an d 24 2B .
SPRING
COMPLETE
HYDRAULICANDPNEUMATICCYLINDERS
HYDRAULICMOTORS FIXED DISPLACEMENT
BIDIRECTIONAL
A2 SOLENO ID P979-YL L998-OR
F-3
123-4750
(216) (226) (232) (242) (236/246) (252/262)
LINESCROSSING
VARIABLEDISPLACEMENT NON-COMPENSATED
Tap Locations Pressure, Sampling, and Sensor
B-1 , C-5
Tank GP - Hydraulic
ValveGp-Control ValveGp-Control ValveGp-Control ValveGp-Control ValveGp-Control ValveGp-Control
DETENT
REMOTESUPPLYPRESSURE
CROSSINGANDJOININGLINES
UNIDIRECTIONAL
Schematic Location
Valve -C -Check Valve Gp - Ball
230-3683 230-3703 230-3685 230-3705
CylinderGp-Lift Rt.Hand (216/226 ) CylinderGp-Lift Rt.Hand (232/242 ) CylinderGp-Lift Rt.Hand (236/246 ) CylinderGp-Lift Rt.Hand (252/262 )
PumpGP- Imp&Charge (216/226/2 32/242) 32/242) PumpGP- Imp&Charge (236/246/2 52/262) 52/262) S o len o id - Co n t or l Val e v (1& 2 )
13
PUSH B UTTON
SIMPLIFIED
GASCHARGED
FIXED DISPLACEMENT
Reverse TravelDrive Loop Pressure Port (MA2)
HYDROSTATIC DRIVE PUMP
Part Machine Number Location
Description
GENERAL M ANUAL
INTERNALRETURN
ACCUMULATORS
Reverse TravelDrive Loop Pressure Port (MA1)
ComponentLocations Part Machine Number Location
THERMAL
© 2008 Caterpillar AllRights Reserved
MACHINE COMPONENT LOCATIONS
Description
BIDIRECTIONAL
SERVO
PILOTCONTROLSYMBOLS
RELEASEDPRESSURE
242B: BXM1-4224
26
23 3 1 3 2
SOLENOIDand PILOTorMANUAL
MANUALCONTROLSYMBOLS
11
12
SOLENOID andPILOT
HYDRAULICPUMPS
Reverse TravelDrive Loop Port Forward TravelDrive Loop Port
UNIDIRECTIONAL
COMBINATIONCONTROLS
SOLENOID orMANUAL
SPRINGLOADED
5
RETURNBELOWFLUIDLEVEL
ROTATING SHAFTS
FLOW
TEMPERATURE
SOLENOID
EXTERNALRETURN
4
RETURNABOVEFLUIDLEVEL
P R E S S U R ZI E D
MEASUREMENT
ChargePressure Port (G1)
9
8
299-9116 VALVEGP(S-TURN RESOLVERBLOCKCONFIG WITHOUTSWITCHES) 218-6117 HANDLEAS(HORN& NO C1 &C2) 218-6118 HANDLEAS(HORN &CONTINUOUSFLOW) 223-3725 HANDLEAS (HORN& CONTINUOUSFLOW) 117-8683 PIN- SPRING - SLOTT DRIVEPILOT VALVE
7
299-9119 VALVEGPBASIC -B(FLOAT DETENTMAGNET) 218-6118 HANDLEAS(A1 &A2 BUTTON) 223-3725 HANDLEAS(A1 &A2 BUTTON) 215-8307 HANDLEAS(ROLLER / A1&A2 PROPBUTTON) 117-8683 PIN- SPRING - SLOTT IMPLEMENTPILOT VALVE
6
5
B
CYLINDERGP - LIFT RIGHTHAND 230-3693 (216/226) 230-3703 (232/242) 230-3695 (236/246) 230-3705 (252/262)
G
VALVEGP- BALL 191-9783
DRIVE PILOT VALVE NEUTRAL REVERSE
IMPLEMENT PILOT VALVE
NEUTRAL FORWARD
LEFT
NEUTRAL RIGHT
3
LIFT CYLINDERS
COUPLING MALE 193-8334
D
3
2
T
C 4 T
1A
T
2
1
3
1B
2A
2B
3A
SOS/ DIAGNOSTIC PORT
3B
FANMOTOR RELIEF
BB
VALVEGP- IMPLEMENT 216-6166 (216) 216-6167 (226) 216-6168 (232) 191-9686 (242) 216-6169 (236/246) 216-6170 (252/262)
COUPLER
P
P
DEMANDFAN MOTORRELIEF
SCREEN 195-6768
VALVEGP- DIVERTER- C INLINESELF LEVELVALVE- RAISE 224-9408 (216/226) 223-8408 (232/242) 224-9418 (236/246) 223-8418 (252/262)
C
4
DEMANDFAN 269-9467 (226/242/246/262)
MOTORGP-FAN 216-6179 (216/232) 230-3727 (226/242) 225-9260 (236/252) 216-6193 (246/262)
FILTERGP OIL 223-9974
AUXILIARY TOOLS
C
1
COOLERAS RADIATOR 280-8309 (216/232) 280-8310 (226/242) 280-8312 (236/246/252/262) G
COUPLING FEMALE 193-8335
F
1
CYLINDERGP- TILT RIGHTHAND 230-3694 (216/226/232/242) 230-3697 (236/246/252/262)
TILT CYLINDERS
RAISE
LOWER
2
CYLINDERGP- TILT LEFTHAND 230-3684 (216/226/232/242) 230-3687 (236/246/252/262)
NEUTRAL RACK
DUMP
4
CYLINDERGP - LIFT LEFTHAND 230-3683 (216/226) 230-3703 (232/242) 230-3685 (236/246) 230-3705 (252/262)
A
T
P
A
B A2
C
F
L AUX RELIEF
P CYLINDERGP HYDRAULICCOUPLER 192-2640 AA
F C
S1
E D
MAIN RELIEF
S2
A1
VALVEGP HYDRAULICCOUPLER 233-7128
MOTORGP A/CCOMPRESSOR 218-6840
C
T
P
G F
C
D E
P
T
E
ACCUMULATOR 149-0686
SOLENOID (A1 &A2) 185-4254
ML PRESSURESWITCH OPTIONALBACK-UP ALARM 192-0836
MR
BAFFLE
CI
E
TANKGP- HYDRAULIC 204-1491
HP DRAINMANIFOLD 218-5560 D R A I N
RJ
T
CO
D
) s e h c n i 8 2 x s e h c n i 9 3 : s n o i s n e
2 0 9 6 8 4 R N E e , R g a
D
CC Z B
A
L
208-5681 VALVE-SGLSPD PARKINGBRAKE
C B T P A
R
A B
A
DD
MG A
D L O F I N A M N I A R D O T
CHECKVALVE 123-4750 RIGHT MOTOR
C
1 B M
EE
B
Y
G1 G B
B
FF 2 B M A
R
TODRAINMANIFOLD
HYDROSTATICPUMP 289-6340 (216/232) 289-6342 (226/242) MOTORGP - TWO SPEED 280-7858 (236/246/252/262)
FWD
IMPLEMENT/ CHARGEPUMP 269-9427 (216/226/232/242) 238-7642 (236/246/252/262)
PF
T O L I P E V I R D O T
TODRAINMANIFOLD
T
TO IMPLEMENT VALVE
B
X3
LF
X4
RF
MA1
MA2 HH
X4
RR
R
T1
DD
MG
B A M
B
G1
E V L A
FF
EE
Y
RIGHT MOTOR
R E T L I F E G R A H C O T
LEFT MOTOR
LR
C
PF
M
P 0 3
D L O F I N A M N I A R D O T
SPEED SENSING FWD
m i D (
VALVEGP- TWO SPEED 293-6591(236/246/252/262)
MOTOR- SINGLESPEED 280-7854 (216/226/232/242) 280-7856 (236/246/252/262)
FLUSHING
LEFT MOTOR
MOTOR- SINGLESPEED 280-7854 (216/226/232/242) 280-7856 (236/246/252/262)
T1
L
Z
FLUSHING
GB
B M
V T N E M E L P
R
A
M I O T
SPEED SENSING
X3
GG
R O T O M N A F O T
B
FWD
FWD
PF
PF
M T HYDRAULICCIRCUIT COLORDESCRIPTIONS LR
PumpOutput.(Left Hydrostatic) PumpOutput.(RightHydrostatic) PumpOutput.(ImplementSupply) PumpOutput.(ChargeSupply) SupplyLine. Drain/Return Line. A
Pressure Line
X3
X4
MA
MA
RF
RR
X4
X3
Pilot / Load Sensing Pressure Drain / Return Lines ComponentGroup
DrivePilotControlCircuit. ImplementPilotControlCircuit. CouplerCylinderControlCicuit. LiftCylinderControlCircuit. TiltCylinderControlCircuit. AuxiliaryToolControlCircuit. ParkingBrakeControlCircuit. TwoSpeedControlCircuit.
LF
LINEPATTERNS
HH
GG
TO DRIVE JOYSTICK
TOHYDRAULICTANK
HYDROSTATICPUMP 289-6351 (236/246/252/262)
TO DRIVE JOYSTICK
TWO SPEED OPTION (236 / 246 /252 & 262)
Attachment Air Line
CALLOUTS YY
Taps (Pressure,Sampling,Sensor)byletter
52
Componentsby
number
THISSCHEMATIC ISFOR THE216B, 216B2, 226B, 226B2, 232B, 232B2, 236B, 236B2, 242B, 242B2, 252B, 252B2, 262B, 262B2 SKIDSTEER LOADERS(Single Self-Level- Raise) PART#: 218-6462-06 Components are shown installed on a fully operable machine with the key and engine off and transmission shifter in neutral. Refer to the appropriate Service Manualfor Troubleshooting, Specif ications and Systems Operations
A
