General Information (Hydraulic System)
Reference: Schematic, "D6 Track-Type Tractor Hydraulic System"
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| Illustration 1 | g06238036 |
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Standard Machine (1) Ripper cylinder (2) Tank and screens (3) Tank vacuum breaker/breather (4) Control lever for ripper (5) Control lever for blade (6) Hydraulic tank temperature sensor (7) Hydraulic tank pressure switch (8) Implement lockout switch (9) Blade lift cylinder (10) Quick-drop valve (11) Blade tilt cylinder (12) Implement pump (13) Valve group (14) Inlet manifold (15) Blade lift control valve (16) Blade tilt control valve (18) Ripper lift control valve (19) Implement pressure sensor (20) Charge/Pilot filter (21) Charge filter bypass switch (22) Accumulator | |
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| Illustration 2 | g06266991 |
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VPAT Machine Standard Machine (1) Ripper cylinder (2) Tank and screens (3) Tank vacuum breaker/breather (4) Control lever for ripper (5) Control lever for blade (6) Hydraulic tank temperature sensor (7) Hydraulic tank pressure switch (8) Implement lockout switch (9) Blade lift cylinder (10) Blade angle cylinder (11) Blade tilt cylinder (12) Implement pump (13) Valve group (14) Inlet manifold (15) Blade lift control valve (16) Blade tilt control valve (17) Blade angle control valve (18) Ripper lift control valve (19) Implement pressure sensor (20) Charge/Pilot filter (21) Charge filter bypass switch (22) Accumulator | |
The implement hydraulic system controls the blade, and the ripper (if equipped). The hydraulic system is a load sensing, pressure compensated system. In a load sensing, pressure compensated system, oil flow does not change according to the load conditions. Cylinder speeds remain constant under all load conditions.
Caterpillar Information System:
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986K Wheel Loader Bucket Stops - Inspect/Replace
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330 GC and 330 Excavator Joystick Controls
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330 GC and 330 Excavator Declaration of Conformity
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