930E Check-Out Procedure - Komatsu 930E-2 Shop Manual

930E CHECK-OUT PROCEDURE

STEERING SYSTEM DATA SHEET
MACHINE MODEL UNIT NUMBER SERIAL NUMBER
__________ Steering Accumulators charged to 1400 psi (9650 kPa).
Operate hydraulic steering system to obtain proper operating temperature. Refer to Check-out
Procedures.
PUMP PRESSURE CONTROL ADJUSTMENTS
STEP 6___________ Steering pump compensator pressure
STEP 11___________ Steering pump unload pressure.
STEP 12___________ Steering pump load pressure.
STEERING CONTROL VALVE AND FLOW
AMPLIFIER LEAKAGE TESTS
STEP 4____________ Flow amplifier return hose leakage.
STEP 5____________ Steering control unit return hose leakage.
BLEEDDOWN MANIFOLD LEAKAGE TEST
STEP 5____________ Bleeddown solenoid, steering relief, and piloted check valve leakage.
SHOCK AND SUCTION VALVES TEST
STEP 6____________ Shock and suction valve pressure, left steer.
STEP 7____________ Shock and suction valve pressure, right steer.
STEP 9____________ Steering relief valve pressure setting.
STEP 12___________ Steering pump reload pressure.
Name of Technician or Inspector Performing Check-Out
DATE
L10012 Hydraulic Check-out Procedure L10-13