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D 9 R T R A C K - T Y P E T R A C TO R S
©2000 Caterpillar Inc.
D9R ENGINES • 3408 Engine with Mechanical Controls • 3408E Engine with HEUI
PRELUBRICATION STARTING SYSTEM OIL PRESSURE SWITCH
CHECK VALVE
SUCTION LINE
GEAR PUMP
STARTER MOTOR
PRELUBRICATION SYSTEM
337 WH
R 308 YL
200 BK
KEY START SWITCH
C OFF S ON B ST
NEUTRAL SWITCH (DIFFERENTIAL STEER ONLY)
STARTER RELAY 306 GN
RD 06
RD 06
MOTOR
FRAME 101 RD
RD 00
ENGINE BK 00
POS NEG
POS NEG
POS NEG
POS NEG
G
BAT MTR
BUS BAR
MOTOR
SECOND STARTER MOTOR AND RELAY
STARTER MOTOR/ PRELUBE PUMP
200 BK
RD 00
314 PU
306 GN
BAT MTR
ALTERNATE BREAKER
MAIN RELAY
S 200 BK
RD 00
MAIN BREAKER
177 RD
G
S
307 OR
200 BK
301 BU
101 RD
OIL PRESSURE CUTOFF SWITCH
307 OR
200 BK
PRELUBE TIMER/ SOLENOID
447 PK
RD 00
RD 00
BUS BAR BATTERIES
BK 00
3408E/12HUIFLSYTM TO LUBE SY TEM HEUI HYDRAULIC TEMP RA U SEN OR COLD STAR FLUIDMANO
OIL OIL PRES U
RES VOI
HYDRAULICPSGE
SEN OR CO L D WN HYDRAULIC
PRES U
TEMP RA U
SUP LY
OIL
SEN OR
SEN OR
PUM
FILTER
HYDRAULIC
FUEL
CIR U T GROUP
FLUIDMANO HYDRAULICPSGE
PUM CONTR L OIL
HEUI
ECM
VAL E
CO LER FUEL TRANSFE
SECONDARY
PUM
LUBE OI PUM
FUEL FILTER
PRIMA Y FUEL I T R/ WATER SEPAR TO OIL SUMP
FUEL TANK
PRES U REGULATIN VAL E
8 INJECTORS
ADEM II ELECTRONIC CONTROL MODULE (ECM)
ENGINE HARNESS
MACHINE HARNESS
3408E HEUI SYSTEM COMPONENT DIAGRAM GROUND BOLT
DISCONNECT SWITCH
15 AMP BREAKER
MAIN KEY POWER RELAY SWITCH
24 V
PUMP CONTROL VALVE HYDRAULIC PRESSURE SENSOR PRIMARY SPEED/TIMING SENSOR
TDC SERVICE PROBE ACCESS
MACHINE INTERFACE CONNECTOR THROTTLE SENSOR
ACCELERATOR PEDAL
SECONDARY SPEED/TIMING SENSOR
THROTTLE BACK-UP, ELEVATED LOW IDLE ENABLE, AND GROUND LEVEL SHUTDOWN (2) SWITCHES TURBO INLET PRESSURE SENSOR
COOLANT TEMP. SENSOR
FAN CONTROL VALVE TURBO OUTLET PRESS. SENSOR FAN SPEED SENSOR FAN
ATMOSPHERIC PRESS. SENSOR CAT DATA LINK OIL PRESSURE SENSOR
ELECTRONIC SERVICE TOOL EPTC II TRANSMISSION CONTROL
HYDRAULIC TEMP. SENSOR FUEL TEMPERATURE SENSOR COOLANT FLOW SWITCH
AUTO RETARDER CONTROL CATERPILLAR MONITORING SYSTEM
D9R COMPONENT LOCATIONS AMOCS RADIATOR QUICK-DROP VALVE TORQUE DIVIDER
STEERING PUMP
IMPLEMENT PUMP
IMPLEMENT PUMP
PTO PUMP (3-SECTION)
CONTROL VALVE STACK
T/C SCAVANGE PUMP
HYDRAULIC MOTOR
PTO PUMP (4-SECTION)
DIFFERENTIAL STEER PLANETARIES
CONTROL VALVE STACK TRANSMISSION
SERVICE BRAKES
DIFFERENTIAL STEER SYSTEM
FINAL DRIVES CLUTCH AND BRAKE PACKS
CLUTCH AND BRAKE SYSTEM
TORQUE DIVIDER ROLLERS ENGINE FLYWHEEL
HOUSING INLET PASSAGE
PLANET GEARS
SPRINGS CAM
SUN GEAR
FREEWHEEL STATOR
OUTPUT SHAFT
STATOR PLANET CARRIER
CARRIER
RING GEAR
OUTLET PASSAGE TURBINE
IMPELLER
POWER SHIFT TRANSMISSION RING GEARS
RING GEARS
INPUT SUN GEARS
INPUT SHAFT
OUTPUT SHAFT PLANETARY CARRIER
OUTPUT SUN GEARS
1
2
3
4
5
POWER TRAIN HYDRAULIC SYSTEM STEERING CLUTCH AND BRAKE
TORQUE CONVERTER
TORQUE CONVERTER OUTLET RELIEF VALVE
BREATHER TRANSMISSION CONTROL VALVE
5
CHECK VALVE
4
TC CASE SUMP
COOLER BYPASS
P3
MANIFOLD PRIORITY VALVE
2
P1
1
OIL COOLER
P2
3
LUBE STEERING CLUTCH AND BRAKE VALVE
1
2
3
4
TRANSMISSION PUMP
TRANSMISSION FILTER
TRANSMISSION CASE SUMP
MAIN FRAME CASE SUMP
TORQUE CONVERTER FILTER
STEERING CLUTCH AND BRAKE TRANSMISSION CONTROL VALVE NEUTRAL MODULATING RELIEF VALVE SPEED SELECTOR SPOOL
5
4
N 1 2 3
LOAD PISTON
LOAD PISTON ORIFICE
P3
DIRECTIONAL SELECTOR SPOOL
DIFFERENTIAL VALVE R
F
P1
2
3 RATIO VALVE
1
P2
STEERING CLUTCH AND BRAKE TRANSMISSION CONTROL VALVE FIRST FORWARD 5
4
N 1 2 3
P3
R
F
P1
3
2
1
P2
STEERING AND BRAKE VALVE RIGHT STEERING SHAFT
CHECK VALVE
SERVICE BRAKE PEDAL SHAFT TO RIGHT CLUTCH
RIGHT STEERING CLUTCH SPOOL
RIGHT STEERING CLUTCH PLUNGER
RIGHT BRAKE SPOOL RIGHT BRAKE PLUNGER
TO RIGHT BRAKE
TO LEFT BRAKE
LEFT BRAKE PLUNGER
LEFT BRAKE SPOOL FROM PUMP LEFT STEERING CLUTCH SPOOL REACTION CHAMBER
TO LEFT CLUTCH PUMP INLET CHAMBER
OUTLET CHAMBER
LEFT STEERING CLUTCH PLUNGER LEFT STEERING SHAFT
STEERING AND BRAKE VALVE NO LEVER MOVEMENT
TO RIGHT CLUTCH
TO RIGHT BRAKE
FROM PUMP
TO LEFT BRAKE TO LEFT CLUTCH
STEERING AND BRAKE VALVE GRADUAL RIGHT TURN
TO RIGHT CLUTCH
TO RIGHT BRAKE
FROM PUMP
TO LEFT BRAKE TO LEFT CLUTCH
STEERING AND BRAKE VALVE SHARP RIGHT TURN
TO RIGHT CLUTCH
TO RIGHT BRAKE
FROM PUMP
TO LEFT BRAKE TO LEFT CLUTCH
STEERING AND BRAKE VALVE BRAKES ENGAGED
TO RIGHT CLUTCH
TO RIGHT BRAKE
FROM PUMP
TO LEFT BRAKE TO LEFT CLUTCH
POWER TRAIN HYDRAULIC SYSTEM DIFFERENTIAL STEER TORQUE CONVERTER TRANSMISSION CONTROL VALVE
5
TORQUE CONVERTER OUTLET RELIEF VALVE
4
TORQUE CONVERTER CASE SUMP COOLER BYPASS
P3
PRIORITY VALVE
2
P1
1
P2
3
OIL COOLER
PARKING BRAKE SPOOL SERVICE BRAKE SPOOL
LUBE
MANIFOLD TRANSMISSION PUMP
TORQUE CONVERTER SCAVENGE PUMP TRANSMISSION FILTER TRANSMISSION CASE SUMP
MAIN FRAME CASE SUMP
TORQUE CONVERTER FILTER
DIFFERENTIAL STEER TRANSMISSION CONTROL VALVE NEUTRAL 5
4
1 2 3
P3
R N F
P1
3
2
1
P2
SERVICE AND PARKING BRAKE CONTROL VALVE FROM TRANSMISSION CHARGING PUMP
PARKING BRAKE SPOOL
TO BRAKES SERVICE BRAKE SPOOL PASSAGE A SERVICE BRAKE PLUNGER
D9R STEERING AND IMPLEMENT HYDRAULIC SYSTEM
STEERING MOTOR
STEERING SYSTEM
STEERING PUMP CHARGE PUMP
STEERING PILOT VALVE
BYPASS AND PRESSURE CONTROL GROUP CHARGE COOLER AND FILTER LOOP
TANK
RIPPER CYLINDERS
IMPLEMENT SYSTEM IMPLEMENT PUMP INLET MANIFOLD QUICK-DROP VALVE
BLADE LIFT BLADE TILT RIPPER LIFT RIPPER TILT END COVER
DUAL TILT VALVE
TILT CYLINDERS
LIFT CYLINDERS
D9R STEERING SYSTEM STEERING MOTOR
STEERING PUMP
PILOT VALVE
CHARGE PRESSURE RELIEF VALVE
CHARGE PUMP
CROSSOVER RELIEF VALVES RESOLVER VALVE
STEERING SERVO VALVE BYPASS AND PRESSURE CONTROL GROUP
THERMAL BYPASS VALVE
FROM IMPLEMENT PUMP SUPPLY
COOLER
STEERING CHARGE CIRCUIT FILTER
D9R STEERING PILOT VALVE NO TURN
RIGHT STEER LOOP PRESSURE
TO PUMP CONTROL SPOOL
LEFT STEER LOOP PRESSURE
FROM BYPASS AND PRESSURE CONTROL GROUP
TO PUMP CONTROL SPOOL
D9R STEERING PUMP STEERING PUMP
NO TURN
TO RIGHT STEER MOTOR
CHARGE PRESSURE RELIEF VALVE
CHARGE PUMP
CROSSOVER RELIEF VALVES
TO LEFT STEER MOTOR
RESOLVER VALVE TO BYPASS AND PRESSURE CONTROL VALVE (CASE DRAIN)
TO PILOT CONTROL TO/FROM VALVE BYPASS AND PRESSURE CONTROL VALVE
PUMP CONTROL SERVO VALVE
STEERING SERVO VALVE
FROM LEFT STEERING VALVE
FROM RIGHT STEERING VALVE
D9R STEER MOTOR NO TURN FROM STEER PUMP
RIGHT STEER LOOP PRESSURE
TO BYPASS AND PRESSURE CONTROL GROUP
FROM BYPASS AND PRESSURE CONTROL GROUP
FLUSHING VALVE
FROM STEER PUMP LEFT STEER LOOP PRESSURE
D9R STEERING PILOT VALVE RIGHT TURN
RIGHT STEER LOOP PRESSURE
TO PUMP CONTROL SPOOL
LEFT STEER LOOP PRESSURE
FROM BYPASS AND PRESSURE CONTROL GROUP
FROM PUMP CONTROL SPOOL
D9R STEERING PUMP STEERING PUMP
RIGHT TURN
TO RIGHT STEER MOTOR
CHARGE PRESSURE RELIEF VALVE
CHARGE PUMP
CROSSOVER RELIEF VALVES
TO LEFT STEER MOTOR
RESOLVER VALVE
TO PILOT CONTROL TO/FROM VALVE BYPASS AND PRESSURE CONTROL VALVE
RIGHT STEER ACTUATOR STEERING PUMP
LEFT STEER ACTUATOR TO BYPASS AND PRESSURE CONTROL VALVE (CASE DRAIN) PUMP CONTROL SERVO VALVE
PRESSURE CUTOFF VALVE FROM LEFT STEERING VALVE
FROM RIGHT STEERING VALVE
FEEDBACK LEVER
SWASHPLATE
PUMP CONTROL ACTUATORS
STEER PUMP AND CONTROL VALVE NEUTRAL FROM PILOT VALVE
FROM STEER PUMP RESOLVER VALVE
FROM PILOT VALVE
ORIFICE
ORIFICE
CENTERING SPRING
PUMP CONTROL SERVO VALVE: OUTER SLEEVE
PUMP CONTROL SERVO VALVE: FEEDBACK SPOOL RESOLVER SPOOL
PRESSURE CUTOFF VALVE
STEER PUMP AND CONTROL VALVE RIGHT TURN TO PILOT VALVE
FROM STEER PUMP RESOLVER VALVE
FROM PILOT VALVE
ORIFICE
ORIFICE
OUTER SLEEVE RESOLVER SPOOL
FEEDBACK SPOOL
PRESSURE CUTOFF VALVE
PRESSURE CUTOFF STEM
FROM STEER PUMP RESOLVER VALVE FROM PILOT VALVE
FROM PUMP ACTUATOR
TO PUMP ACTUATOR
TO PILOT VALVE
ORIFICE
STEERING CONTROL VALVE PRESSURE CUTOFF
PRESSURE CUTOFF STEM
PRESSURE CUTOFF SPRING
RIGHT LOOP CROSSOVER RELIEF VALVE
HIGH PRESSURE
CROSSOVER RELIEF VALVE CHARGE PRESSURE CHECK VALVE
LEFT LOOP CROSSOVER RELIEF VALVE
TO LOW PRESSURE SIDE OF STEER LOOP
D9R STEER MOTOR RIGHT TURN FROM STEER PUMP
RIGHT STEER LOOP PRESSURE
TO BYPASS AND PRESSURE CONTROL GROUP
FROM BYPASS AND PRESSURE CONTROL GROUP
FLUSHING VALVE
LEFT STEER LOOP PRESSURE
TO LOW PRESSURE SIDE OF STEER LOOP
BYPASS AND PRESSURE CONTROL GROUP TO STEER MOTOR CASE DRAIN
CASE DRAIN FOR STEER PUMP
CASE DRAIN PRESSURE
FROM CHARGE PUMP CHARGE PRESSURE
COOLING ORIFICE
FROM STEER MOTOR CASE DRAIN
COLD OIL BYPASS
CHARGE CIRCUIT MAKEUP VALVE
IMPLEMENT PUMP CASE DRAIN
FROM IMPLEMENT PUMP
TO COOLER
HYDRAULIC MOTOR INPUT
TRANSMISSION INPUT TRANSFER GEAR
DIFFERENTIAL STEER COMPONENTS TO LEFT FINAL DRIVE
TO RIGHT FINAL DRIVE
STEER PLANETARY
DRIVE PLANETARY
EQUALIZING PLANETARY
D9R STEERING AND IMPLEMENT HYDRAULIC SYSTEM
STEERING MOTOR
STEERING SYSTEM
STEERING PUMP CHARGE PUMP
STEERING PILOT VALVE
BYPASS AND PRESSURE CONTROL GROUP CHARGE COOLER AND FILTER LOOP
TANK
RIPPER CYLINDERS
IMPLEMENT SYSTEM IMPLEMENT PUMP INLET MANIFOLD QUICK-DROP VALVE
BLADE LIFT BLADE TILT RIPPER LIFT RIPPER TILT END COVER
DUAL TILT VALVE
TILT CYLINDERS
LIFT CYLINDERS
D9R HYDRAULIC SYSTEM TO BYPASS AND PRESSURE CONTROL GROUP
INLET MANIFOLD QUICK-DROP VALVE
BLADE LIFT
BLADE TILT RIPPER LIFT
RIPPER TILT END COVER
SINGLE TILT OPTION
DUAL TILT VALVE
DUAL TILT OPTION
TO BYPASS AND PRESSURE CONTROL VALVE IMPLEMENT PUMP INLET MANIFOLD
D9R IMPLEMENT SYSTEM BLADE LIFT
TO BYPASS AND PRESSURE CONTROL VALVE
TO STEERING CHARGE PUMP DOZER LIFT CYLINDER
QUICK-DROP VALVE TO ROD END
BLADE TILT
TO HEAD END
DOZER LIFT CYLINDER
RIPPER LIFT
SINGLE TILT
RIPPER SHANK IN/OUT
TANK
PRESSURE AND FLOW COMPENSATOR VALVE MARGIN PRESSURE ADJUSTMENT
PRESSURE CUTOFF ADJUSTMENT
SIGNAL FROM CONTROL VALVES
TO TANK
TO ACTUATOR FROM PUMP FLOW COMPENSATOR (MARGIN) SPOOL
PRESSURE COMPENSATOR (CUTOFF) SPOOL
PUMP AND COMPENSATOR OPERATION ENGINE OFF NO SIGNAL
PUMP OUTPUT
LARGE ACTUATOR
YOKE PAD
SWASHPLATE
DRIVE SHAFT FLOW COMPENSATOR (MARGIN) SPOOL
PRESSURE COMPENSATOR (CUTOFF) SPOOL
SMALL ACTUATOR AND BIAS SPRING PISTON AND BARREL ASSEMBLY
PUMP AND COMPENSATOR OPERATION LOW PRESSURE STANDBY NO SIGNAL
FLOW COMPENSATOR (MARGIN) SPOOL
PUMP OUTPUT
PRESSURE COMPENSATOR (CUTOFF) SPOOL
CROSS-DRILLED PASSAGE
LARGE ACTUATOR
SWASHPLATE
SMALL ACTUATOR AND BIAS SPRING
PUMP AND COMPENSATOR OPERATION UPSTROKING SIGNAL
FLOW COMPENSATOR (MARGIN) SPOOL
PUMP OUTPUT
PRESSURE COMPENSATOR (CUTOFF) SPOOL
LARGE ACTUATOR
REDUCED PRESSURE
SWASHPLATE
SMALL ACTUATOR AND BIAS SPRING
PUMP AND COMPENSATOR OPERATION CONSTANT FLOW SIGNAL
FLOW COMPENSATOR (MARGIN) SPOOL
PUMP OUTPUT
PRESSURE COMPENSATOR (CUTOFF) SPOOL
LARGE ACTUATOR
REDUCED PRESSURE
SWASHPLATE
SMALL ACTUATOR AND BIAS SPRING
PUMP AND COMPENSATOR OPERATION DESTROKING SIGNAL
FLOW COMPENSATOR (MARGIN) SPOOL
PUMP OUTPUT
PRESSURE COMPENSATOR (CUTOFF) SPOOL
LARGE ACTUATOR
INCREASED PRESSURE
SWASHPLATE
SMALL ACTUATOR AND BIAS SPRING
PUMP AND COMPENSATOR OPERATION HIGH PRESSURE STALL SIGNAL AT MAXIMUM PRESSURE
FLOW COMPENSATOR (MARGIN) SPOOL
PUMP OUTPUT AT MAXIMUM PRESSURE
PRESSURE COMPENSATOR (CUTOFF) SPOOL
LARGE ACTUATOR
REDUCED PRESSURE
SWASHPLATE
SMALL ACTUATOR AND BIAS SPRING
TO BYPASS AND PRESSURE CONTROL VALVE
INLET MANIFOLD
SYSTEM RELIEF VALVE
CHARGE RELIEF VALVE
FLOW CONTROL VALVE
RESOLVER
D9R IMPLEMENT CONTROL VALVE STACK
SIGNAL LINE TO IMPLEMENT PUMP
TO IMPLEMENT PUMP SUPPLY
BLADE LIFT TO LIFT CYLINDERS
PRESSURE LIMITER VALVE
FLOW CONTROL VALVE
RESOLVER
BLADE TILT TO TILT CYLINDERS FLOW CONTROL VALVE
RESOLVER
RIPPER LIFT
TO RIPPER LIFT CYLINDERS FLOW CONTROL VALVE RESOLVER
TO RIPPER TILT CYLINDERS
RIPPER SHANK IN/OUT
DOZER LIFT CONTROL VALVE HOLD ROD END
HEAD END
FROM PREVIOUS VALVE
MAKEUP VALVE RESOLVER TO NEXT VALVE
MAIN CONTROL SPOOL
LOAD CHECK VALVE FROM PUMP
FLOW CONTROL VALVE
DOZER LIFT CONTROL VALVE BLADE RAISE
ROD END
HEAD END
MAKEUP VALVE
FROM PREVIOUS VALVE
RESOLVER TO NEXT VALVE
MAIN CONTROL SPOOL
LOAD CHECK VALVE FROM PUMP
FLOW CONTROL VALVE
DOZER LIFT CONTROL VALVE BLADE LOWER ROD END
HEAD END
MAKEUP VALVE
FROM PREVIOUS VALVE
RESOLVER TO NEXT VALVE
MAIN CONTROL SPOOL PIN
LOAD CHECK VALVE FROM PUMP
FLOW CONTROL VALVE
BLADE TILT CONTROL VALVE TILT LEFT ROD END
FROM PREVIOUS VALVE
HEAD END RESOLVER
TO NEXT VALVE MAIN CONTROL SPOOL
LOAD CHECK VALVE FROM PUMP
SIGNAL PRESSURE LIMITER FLOW CONTROL VALVE
RIPPER LIFT CONTROL VALVE FROM PREVIOUS VALVE
RAISE MAKEUP VALVE
HEAD END
ROD END
MAKEUP VALVE RESOLVER
TO NEXT VALVE MAIN CONTROL SPOOL
LOAD CHECK VALVE FROM PUMP
FLOW CONTROL VALVE
RIPPER SHANK IN/OUT CONTROL VALVE SHANK OUT RELIEF VALVE
HEAD END
ROD END
MAKEUP VALVE
FROM PREVIOUS VALVE
RESOLVER
TO NEXT VALVE
MAIN CONTROL SPOOL
LOAD CHECK VALVE FROM PUMP
FLOW CONTROL VALVE
D9R QUICK-DROP VALVE
DOZER LIFT CYLINDER
QUICK-DROP VALVE
TO ROD END DUMP VALVE MAIN VALVE SPOOL
TO HEAD END
SOLENOID VALVE
FROM CONTROL VALVE ROD END
FROM CONTROL VALVE HEAD END
DOZER LIFT CYLINDER
CYLINDER HEAD END
QUICK-DROP VALVE HOLD CYLINDER ROD END
MAIN VALVE SPOOL
DUMP VALVE
A B C D
B C
SOLENOID VALVE
A D
FROM CONTROL VALVE ROD END
FROM CONTROL VALVE HEAD END
CYLINDER HEAD END
QUICK-DROP VALVE DOZER RAISE
MAIN VALVE SPOOL
CYLINDER ROD END
DUMP VALVE
A B C
B C
A
D SOLENOID VALVE
D FROM CONTROL VALVE ROD END
TO CONTROL VALVE HEAD END
CYLINDER HEAD END
QUICK-DROP VALVE DOZER LOWER CYLINDER ROD END
MAIN VALVE SPOOL
DUMP VALVE
A B C D
B C
SOLENOID VALVE
A D
TO CONTROL VALVE ROD END
FROM CONTROL VALVE HEAD END
CYLINDER HEAD END
QUICK-DROP VALVE QUICK-DROP SOLENOID ENERGIZED
MAIN VALVE SPOOL
CYLINDER ROD END
DUMP VALVE
A B C
B C
A
D SOLENOID VALVE (ENERGIZED)
D TO CONTROL VALVE ROD END
FROM CONTROL VALVE HEAD END
CYLINDER HEAD END
QUICK-DROP VALVE DOWN PRESSURE SOLENOID ENERGIZED
MAIN VALVE SPOOL
CYLINDER ROD END
DUMP VALVE
A B C
B C
D SOLENOID VALVE (ENERGIZED)
A D
TO CONTROL VALVE ROD END
FROM CONTROL VALVE HEAD END
DUAL TILT VALVE HOLD
TO ROD END
FROM IMPLEMENT PUMP S2
S1
TO HEAD END
TILT CYLINDERS
FROM BLADE TILT VALVE
DUAL TILT CIRCUIT DUAL TILT RIGHT
FROM TILT CONTROL VALVE
TO ROD END LEFT TILT CYLINDER RIGHT TILT CYLINDER
TO HEAD END
TO TILT CONTROL VALVE FROM IMPLEMENT PUMP
FROM TRIGGER SWITCH FROM TOGGLE SWITCH
DUAL TILT CIRCUIT SINGLE TILT RIGHT
FROM TILT CONTROL VALVE
TO ROD END LEFT TILT CYLINDER RIGHT TILT CYLINDER
TO HEAD END
TO TILT CONTROL VALVE FROM IMPLEMENT PUMP
FROM TRIGGER SWITCH FROM TOGGLE SWITCH
DUAL TILT CIRCUIT BLADE PITCH FORWARD
FROM TILT CONTROL VALVE
TO ROD END LEFT TILT CYLINDER RIGHT TILT CYLINDER
TO HEAD END
TO TILT CONTROL VALVE FROM IMPLEMENT PUMP
FROM TRIGGER SWITCH FROM TOGGLE SWITCH
THREE LEVELS OF WARNING • CATEGORY 1 • CATEGORY 2 • CATEGORY 3
THREE WARNING CATEGORIES • Category 1 - Alert Indicator Flashes • Category 2 - Alert Indicator Flashes - Action Lamp Flashes • Category 3 - Alert Indicator Flashes - Action Lamp Flashes - Action Alarm Sounds
