Implement Hydraulic System
The implement hydraulic system controls the operation of the track loader. The pumps are mounted directly to the flywheel housing. The implement pumps supply oil to the hydraulic cylinders for the loader bucket, the ripper (if equipped), and the multipurpose bucket (if equipped). The right charge pump provides charge pressure to the right hystat pump and pilot pressure to the load sensing circuit for the implement control valves.
Implement Schematic
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| Illustration 1 | g01926813 |
HOLD (A) Inlet manifold (B) Bucket lift control section (C) Bucket tilt control section (D) Multipurpose bucket control section (E) Ripper lift control section (F) Outlet manifold (1) Dead electronic lower valve (Ripper circuit) (2) Dead electronic lower valve (Lift circuit) (3) Bucket lift control valve (4) Lift cylinders (5) Makeup valve (lift rod end) (6) Line relief valve (lift head end) (7) Bucket tilt control valve (8) Tilt cylinder (9) Line relief valve (tilt rod end) (10) Line relief valve (tilt head end) (11) Anti-drift valve (12) Multipurpose bucket control valve (13) Multipurpose bucket cylinders (14) Line relief valve (multipurpose bucket rod end) (15) Line relief valve (multipurpose bucket head end) (16) Ripper cylinder (17) Line relief valve (ripper) (18) Pilot shut-off valve (19) Accumulator (20) Flow from the charge circuit of the right drive pump (21) Pressure reducing valve (22) Margin relief valve (23) Ripper control valve (24) Pilot control solenoid (25) Implement pump compensator valves (26) Implement pumps (27) Hydraulic oil tank (28) Drain (29) Temperature sensor (30) Hydraulic tank breather (31) Return line back pressure (32) Load sensing relief valve (33) Signal duplicating reducing valve | |