930E CHECK-OUT PROCEDURE
BRAKE COOLING & HOIST SYSTEM DATA SHEET
MACHINE MODEL
UNIT NUMBER SERIAL NUMBER
Operate hydraulic system to obtain proper operating temperature. Refer to Check-out Proce-
dures.
BRAKE COOLING CIRCUIT TEST
STEP 1 ____________Hoist pump outlet pressures, low idle, FLOAT position.
____________ Brake cooling circuit pressure, low idle, FLOAT position.
STEP 2 ____________Brake cooling circuit pressure, low idle, POWER UP/DOWN position.
STEP 3 ____________Brake cooling circuit pressure, 1500 RPM, HOLD/FLOAT position.
STEP 4 ____________Brake cooling circuit pressure, 1500 RPM, POWER UP/DOWN position.
POWER UP RELIEF PRESSURE TEST
STEP 2 ____________Hoist relief pressure, front pump section.
____________ Hoist relief pressure, rear pump section.
POWER DOWN RELIEF PRESSURE TEST
STEP 3 ____________Power down relief pressure.
HOIST COUNTERBALANCE VALVE PRESSURE
TEST
STEP 3 ____________Counterbalance valve pressure.
Name of Technician or Inspector Performing Check-Out
DATE
L10-14 Hydraulic Check-out Procedure L10012
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