Illustration 1 g03367609 (1) Machine ECM (2) Engine speed dial (3) Switch panel (4) Clench pressure sensor (attachment) (5) Manual low idle switch (6) Implement…
Main Hydraulic Schematic Illustration 1 g03435379 (1) Swing motor (2) Left travel motor (3) Right travel motor (4) Bucket cylinder (5) Stick cylinder (6) Travel…
ReferenceFor testing and adjusting of the hydraulic system, refer to Testing and Adjusting, “Excavator Hydraulic System” for your machine. ReferenceFor systems operation of the electronic…
Illustration 1 g00721434 Relief valve locations (A) Main relief valve (B) Boom cylinder line (head end) (C) Boom cylinder line (rod end) (D) Stick cylinder…
Illustration 1 g01242804 Flow meter tool layout (1) Swing motor (2) Connector at swing motor (3) 6V-9840 Swivel tee (4) Makeup line (swing motor) (6)…
Introduction Adjust the negative flow control if the flow test results differ greatly from the specification. Adjustment Procedure Illustration 1 g02100279 Pump Compartment (1) Adjustment…
330D, 336D and 340D Excavators Hydraulic System – Pump Control (Negative Flow) – Test – Stage 2 pump
This test measures individual pump flow at the pump while a fixed negative flow control pressure is sent to the main pump regulator. Each pump…
330D, 336D and 340D Excavators Hydraulic System – Pump Control (Output Flow) – Adjust – Stage 2 Pump
Adjust the pump output flow if the flow test results differ greatly from the specifications. Specification Table 1 Approximate Change of Flow with 1/4 Turn…
Specification Table 1 Main Pump (Flow) – Test (Constant Horsepower Flow Control) Machine Settings Power Shift Pressure Engine Speed…
Table 1 Required Tools Part Number Description Qty 9U-7400 Multitach Tool Group 1…