Solenoid (Auxiliary Hydraulic Oil Pressure)
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| Illustration 1 | g00855332 |
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| Illustration 2 | g00920495 |
(1) Hydraulic Oil Pressure Solenoid (2) Direction Solenoid (Hydraulic Oil) (3) Solenoid (Hydraulic Oil Flow) | |
This solenoid is located in the multifunction auxiliary valve. This solenoid controls the maximum pressure in the auxiliary hydraulic circuit. The solenoid (hydraulic oil pressure) is connected to the ECM at contact J2-40 (signal wire M744-PU) and contact J2-59 (ground wire H803-BU). This solenoid is activated proportionally in order to change the relief pressure in the auxiliary circuit. See Systems Operation, "Auxiliary Hydraulic System" for more information.
Solenoid (Auxiliary Hydraulic Oil Flow)
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| Illustration 3 | g00855350 |
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| Illustration 4 | g00920495 |
(1) Hydraulic Oil Pressure Solenoid (2) Direction Solenoid (Hydraulic Oil) (3) Solenoid (Hydraulic Oil Flow) | |
This solenoid is located in the multifunction auxiliary valve. This solenoid controls the maximum pilot pressure in the auxiliary circuit. By limiting the pressure, the amount of oil flow in the auxiliary hydraulic circuit is also reduced. The solenoid (hydraulic oil flow) is connected to the ECM at contact J2-41 (signal wire M745-BU) and contact J2-59 (ground wire H803-BU). This solenoid is proportionally activated in order to limit the amount of oil flow in the circuit. See Systems Operation, "Auxiliary Hydraulic System" for more information.
Solenoid (Engine Cooling Fan)
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| Illustration 5 | g00855362 |
The solenoid (engine cooling fan) is referred to as the hydraulic demand fan. The solenoid is proportionally energized in order to vary the speed of the cooling fan. The solenoid is turned on when the hydraulic temperature and/or the cooling water is too high. The solenoid is connected to the ECM at contact J2-24 (signal wire C411-OR) and contact J2-13 (ground wire H804-GN). See Systems Operation, "Hydraulic Oil Cooling Function" for more information.
Note: The location of some of the existing solenoids and the addition of new solenoids has resulted in a different hydraulic valve manifold equipped on machines the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP. This manifold is illustrated below.
Note: The photographs in the following text indicate solenoid locations for machines in the following serial number ranges: BDR1-2000, BDM1-2000, BDX1-2000, BCZ1-2000, BDK1-2000, BDY1-2000 and BEB1-2000.
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| Illustration 6 | g01171494 |
Solenoid locations for machines in the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP,, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP. Some of the solenoid locations on machines not included in these ranges are the same. (4) Oscillating axle (5) Swing brake (6) Implement lockout (7) Transmission gear shift 1 (8) Transmission gear shift 2 (9) Travel pilot pressure (10) Travel motor swash plate angle limit (11) Swing pump power shift pressure (12) Main pump power shift pressure (13) Medium pressure 1 (left) (14) Medium pressure 2 (right) (15) Medium pressure enable (Not ECM controlled, input only) (16) HCR/offset boom enable (Not ECM controlled, input only) | |
Solenoid (Swing Pump)
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| Illustration 7 | g00920471 |
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| Illustration 8 | g00855390 |
The swing pump solenoid (11) controls the hydraulic oil flow in the circuit for swing. The solenoid is connected to the ECM at contact J2-58 (signal wire K921-GY) and contact J2-57 (ground wire H803-BU).
Solenoid (Main Pump)
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| Illustration 9 | g00920473 |
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| Illustration 10 | g00855390 |
This main pump solenoid (12) controls the hydraulic oil flow in the main hydraulic circuit. The solenoid is connected to the ECM at contact J2-48 (signal wire 960-BU) and contact J2-57 (ground wire H803-BU).
Solenoid (Travel Pilot Pressure)
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| Illustration 11 | g01171664 |
Note: The travel pilot pressure solenoid is equipped on machines in the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP.
The travel pilot pressure solenoid (9) is a proportional solenoid that is energized by a variable current output from the ECM. The ECM drives the solenoid from contact J2-51 (wire A881-YL). The ECM activates this solenoid when the conditions are correct in order to enable machine travel. When the solenoid is energized, pilot hydraulic pressure is supplied to the combination valve. For more information, refer to Systems Operation, "Travel Activation Function"
Solenoid (Travel Motor Swash Plate Angle)
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| Illustration 12 | g01153127 |
Note: The travel motor swash plate angle solenoid is equipped on machines in the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP.
The travel motor swash plate angle solenoid (10) is a proportional solenoid that is energized by a variable current output from the ECM. The ECM drives the solenoid from contact J2-64 (wire F853-BR). The solenoid is connected to ECM ground at contact J2-52 (wire H801-PU). The ECM activates this solenoid when the conditions are correct in order to increase or decrease the amount of hydraulic oil flow that is available to the travel motor. This will result in an increase or a decrease in machine travel speed within the selected gear.
Solenoids (Medium Pressure 1 And 2)
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| Illustration 13 | g01153127 |
Note: The medium pressure solenoid 1 and solenoid 2 are equipped on machines in the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP.
The medium pressure solenoid 1 (13) and solenoid 2 (14) are proportional solenoids that are energized by a defined current output from the ECM. The ECM drives medium pressure solenoid 1 from contact J2-14 (wire P941-WH). The ECM drives medium pressure solenoid 2 from contact J2-3 (wire P942-YL). Medium pressure solenoid 1 is connected to ECM ground at contact J2-13 (wire H804-GN). Medium pressure solenoid 2 is connected to ECM ground at contact J2-12 (wire H805-BR). The ECM uses these solenoids in order to control the medium pressure attachments on the machine. The ECM energizes one solenoid or the other solenoid depending on the input from the right hand joystick thumbwheel sensor. For more information on the medium pressure solenoids, refer to Systems Operation, "Medium Pressure Hydraulic System".
Solenoid (Travel Motor Bypass)
Note: The travel motor bypass solenoid is equipped on machines in the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP.
The travel motor bypass solenoid is a proportional solenoid that is energized by a variable current output from the ECM. The ECM drives the solenoid from contact J2-17 (wire J754-OR). The solenoid is connected to ECM ground at contact J2-12 (wire H805-BR). The ECM activates this solenoid during initial acceleration of the travel motor. When this solenoid is energized, some hydraulic flow is allowed to bypass the travel motor. The amount of current that the ECM sends to the solenoid is dependant on the amplitude of the travel command. This enables smoother machine acceleration without sudden, harsh movement of the machine.
Solenoid (Hydraulic Modulation)
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| Illustration 14 | g01153282 |
The hydraulic modulation solenoid is equipped on machines in the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP.
The hydraulic modulation solenoid is a proportional solenoid that is energized by a variable current output from the ECM. The ECM drives the solenoid from contact J2-25 (wire E711-OR). The solenoid is connected to ECM ground at contact J2-13 (wire H804-GN). The ECM will energize this solenoid in according to operator input from the hydraulic modulation enable switch on the right hand joystick and the hydraulic modulation mode switch on the SSP. When the ECM energizes the solenoid, hydraulic flow to the implement is modulated in order to control the operating speed of the implement. Hydraulic pressure for the implement is not affected. For more information on the hydraulic modulation function, refer to Systems Operation, "Hydraulic Modulation Function".
Solenoids (On/Off Type)
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| Illustration 15 | g00855004 |
Solenoid (Travel Activation)
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| Illustration 16 | g00918381 |
Note: The travel activation solenoid is equipped on machines in the following serial number ranges: BDR1-2000, BDM1-2000, BDX1-2000, BCZ1-2000, BDK1-2000, BDY1-2000 and BEB1-2000.
The travel activation solenoid is connected to the ECM at contact J2-50 (signal wire K923-PU) and contact J2-49 (ground wire H802-GY). See Systems Operation, "Travel Activation Function" for more information.
Solenoid (Swing Brake)
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| Illustration 17 | g00918388 |
This solenoid is normally de-energized. This solenoid is energized when a request to swing is made. After the swing is completed, the solenoid is de-energized after 3.5 seconds. The solenoid (swing brake) is connected to the ECM at contact J2-51 (signal wire C995-YL) and contact J2-49 (ground wire H802-GY). See Systems Operation, "Swing Brake Function" for more information.
Solenoid (Parking Brake)
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| Illustration 18 | g00918389 |
Note: The parking brake solenoid is equipped on machines in the following serial number ranges: BDR1-2000, BDM1-2000, BDX1-2000, BCZ1-2000, BDK1-2000, BDY1-2000 and BEB1-2000.
The solenoid (parking brake) is connected to the ECM at contact J2-55 (signal wire C744-PU) and contact J2-36 (ground wire H807-YL). This solenoid is energized in order to release the parking brake. This solenoid is energized in order to allow the movement of the machine. See Systems Operation, "Parking Brake Function" for more information.
Solenoid (Travel Speed)
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| Illustration 19 | g00925959 |
Note: The travel speed solenoid is equipped on machines in the following serial number ranges: BDR1-2000, BDM1-2000, BDX1-2000, BCZ1-2000, BDK1-2000, BDY1-2000 and BEB1-2000.
The solenoid (travel speed) is connected to the ECM at contact J2-61 (signal wire R981-YL) and contact J2-49 (ground wire H802-YL). This solenoid is energized in order to enable the low travel speed. See Systems Operation, "Travel Speed Function" for more information.
Solenoid (Implement Lockout)
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| Illustration 20 | g00918391 |
The solenoid (implement lockout) is connected to the ECM at contact J2-45 (signal wire K777-GY) and contact J2-36 (ground wire H807-YL). This solenoid is energized in order to activate the implements. See Systems Operation, "Hydraulic Activation Control Function" for more information.
Solenoid (Generator)
The solenoid (generator) is connected to the ECM at contact J2-25 (signal wire E984-BU) and contact J2-13 (ground wire H804-GN). This solenoid is energized in order to turn off the generator. See Systems Operation, "Generator Function" for more information.
Solenoid (Creeper Speed)
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| Illustration 21 | g00918349 |
Note: The creeper speed solenoid is equipped on machines in the following serial number ranges: BDR1-2000, BDM1-2000, BDX1-2000, BCZ1-2000, BDK1-2000, BDY1-2000 and BEB1-2000.
The solenoid (creeper speed) is connected to the ECM at contact J2-64 (signal wire F853-BR) and contact J2-52 (ground wire H801-PU). This solenoid is energized when the creeper speed is activated. See Systems Operation, "Creeper Speed Function" for more information.
Solenoid (Oscillating Axle)
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| Illustration 22 | g00916760 |
The solenoid (oscillating axle) is connected to the ECM at contact J2-65 (signal wire K746-PK) and contact J2-52 (ground wire H801-PU). The solenoid is energized in order to unlock the axle and this solenoid is energized in order to allow the axle to oscillate. See Systems Operation, "Oscillating Axle Control Function" for more information.
Solenoid (Directional Or Hammer)
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| Illustration 23 | g00855357 |
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| Illustration 24 | g00920495 |
(1) Hydraulic Oil Pressure Solenoid (2) Direction Solenoid (Hydraulic Oil) (3) Solenoid (Hydraulic Oil Flow) | |
This solenoid is located in the multifunction auxiliary valve. This solenoid controls the direction of the return flow in the auxiliary hydraulic circuit. The direction solenoid (hydraulic oil) is connected to the ECM at contact J2-63 (signal wire M746-GY) and contact J2-52 (ground wire H801-PU). This solenoid is energized in order to force the auxiliary oil flow to return directly to the tank. This solenoid regulates the flow in the following operations: one-way flow and two-way flow. one-way operation allows the regulated oil to flow through the multifunction auxiliary valve in one direction. The other direction will return to the tank. This type of operation is for use with a hammer. Two-way operation allows the regulated oil to flow through the multifunction auxiliary valve in both directions. This type of operation is for use with a rotating consumer. See Systems Operation, "Auxiliary Hydraulic System" for more information.
Solenoid (Quick Coupler)
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| Illustration 25 | g00855168 |
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| Illustration 26 | g00918285 |
The solenoid (quick coupler) is connected to the ECM at contact J2-15 (signal wire M743-YL) and contact J2-13 (ground wire H804-GN). See Systems Operation, "Quick Coupler Function" for more information.
Solenoids (Transmission Gear Shift 1 And 2)
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| Illustration 27 | g01153286 |
Note: The transmission gear shift solenoid 1 (7) and solenoid 2 (8) are equipped on machines in the following serial number ranges: BDR2001-UP, BDM2001-UP, BDX2001-UP, BCZ2001-UP, BDK2001-UP, BDY2001-UP, BEB2001-UP, H2A1-UP, H2B1-UP, H2C1-UP, H2D1-UP, H2E1-UP, H2F1-UP and H2G1-UP.
The ECM energizes transmission gear shift solenoid 1 from contact J2-62 (wire K923-PU). The ECM drives transmission gear shift solenoid 2 from contact J2-61 (wire K925-PU). Transmission gear shift solenoid 1 is connected to ECM ground at contact J2-52 (wire H801-PU). Transmission gear shift solenoid 2 is connected to ECM ground at contact J2-49 (wire H802-GY). The ECM uses these solenoids in order to activate the low speed gear or activate the high speed gear in the transmission. When the ECM energizes transmission gear shift solenoid 1, the transmission shifts to low gear. When the ECM energizes transmission gear shift solenoid 2, the transmission shifts to high gear. When both solenoids are de-energized, the parking brake is engaged. For more information on the transmission gear shift solenoids, refer to Systems Operation, "Travel Speed Function".