Hydraulic Schematic for the Auxiliary System
The following schematic is a quick reference tool for the auxiliary hydraulic system. A large quantity of the components that are shown are discussed in this module. A few components are not detailed in this manual, however, these components do receive oil flow from the auxiliary system. For all components that are shown in this schematic and that are not referenced in this module, refer to Specifications, Systems Operation, and Testing and Adjusting Manual, KENR5029, "AP-655C Asphalt Paver Attachments", Specifications, Systems Operation, and Testing and Adjusting Manual, KENR5026, "AP-655C Asphalt Paver Propel System", and Specifications, Systems Operation, and Testing and Adjusting Manual, KENR5027, "AP-655C Asphalt Paver Drag Converyor and Auger Conveyor System" for further information.
The following components are shown in the hydraulic schematic of the auxiliary system:
(1) Auxiliary pump
(2) Suction line from suction strainer "Port 6"
(3) Pump swashplate
(4) Servo piston
(5) Pressure compensator valve
(6) Displacement limiter valve
(7) Auxiliary pressure supply line
(8) Auxiliary return line
(9) Left tow point cylinder
(10) Right tow point cylinder
(11) Left tow point manifold
(12) Right tow point manifold
(13) Left dual counterbalance valve
(14) Right dual counterbalance valve
(15) Solenoid valve
(16) Return line to return filter
(17) Return from cooling fan motor
(18) Return from generator pump (case drain)
(19) Return for optional pump (plugged)
(20) Return for generator motor
(21) Return manifold
(22) Return for truck hitch valve (option)
(23) Supply line for truck hitch valve (option)
(24) Truck hitch cylinder (option)
(25) Supply line for truck hitch cylinder (option)
(26) Truck hitch valve
(27) Relief valve
(28) Dual solenoid valve
(29) Supply line to tow point control
(30) Pressure manifold
(31) Track tension cylinder
(32) Accumulator charging valve
(33) Accumulator
(34) Pressure switch
(35) Return line to return filter
(36) Return line from optional motor (plugged)
(37) Screed hoist cylinder
(38) Supply line to screed hoist cylinders
(39) Quick disconnect
(40) Supply line to screed extension (auxiliary pressure)
(41) Quick disconnect
(42) Screed
(43) Dual solenoid valves
(44) Screed extender cylinder
(45) Auxiliary manifold
(46) Auxiliary pressure supply passage
(47) Auxiliary return passage
(48) Ventilation system motor
(49) Flow control valve
(50) Check valve
(51) Supply line to ventilation motor
(52) Supply line to right track takeup
(53) Supply line to right auger hoist cylinder
(54) Right auger hoist cylinder
(55) Left auger hoist cylinder
(56) Supply line to the left auger hoist cylinder
(57) Solenoid valve (Screed LIFT)
(58) Solenoid valve (Screed FLOAT)
(59) Solenoid valve (Auger LOWER)
(60) Solenoid valve (Auger RAISE)
(61) Solenoid valve (Hopper RAISE)
(62) Solenoid valve (Hopper LOWER)
(63) Left hopper cylinder
(64) Supply line for left hopper cylinder
(65) Supply line for right hopper cylinder
(66) Right hopper cylinder
(67) Supply line for planetary shift
(68) Solenoid valve (Planetary SHIFT)
(69) Planetary shift pressure reducer
(70) Solenoid valve (parking brake)
(71) Alternate auxiliary pressure
(72) Supply line to parking brake control
(73) Manual brake release pump
(74) Supply line to left track takeup
(75) Manifold valve (screed counterbalance)
(76) ON/OFF valve (screed counterbalance)
(77) Pressure gauge
(78) Solenoid valve (screed counterbalance)
(79) Pressure regulator
(80) Solenoid valve (screed counterbalance)
(81) Supply line for screed lift cylinders
(82) Left planetary shift
(83) Right planetary shift
(84) Left parking brake
(85) Right parking brake
(86) Orifice
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| Illustration 1 | g00956066 |
Hydraulic Schematic for the Cooling Fan System
The following schematic is a quick reference tool for the auxiliary hydraulic system.
The following components are shown in the hydraulic schematic of the auxiliary system:
(87) Gear pump
(88) Gear motor
(89) Bank valve
(90) Solenoid Operated Relief Valve
(91) Relief valve (motor)
(92) Check valve (motor)
(93) Proportional valve
(94) Line From Suction Strainer in Hydraulic Tank (Port "1")
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| Illustration 2 | g00956797 |
Hydraulic Schematic of the Cooling Fan System | |