Check-Out Procedure; Hydraulic Brake System Data Sheet - Komatsu 930E-2 Shop Manual

HYDRAULIC BRAKE SYSTEM DATA SHEET

MACHINE MODEL
I. INITIAL SYSTEM SET-UP
Operate Hydraulic Steering System to obtain proper operating temperature. Refer to Check-out
Procedures.
STEP 2
STEP 7
STEP 8
II. SERVICE BRAKE SYSTEM CHECK-OUT
Refer to appropriate Service Manual procedures and Bleed brakes; Bleed park brakes.
STEP 9
STEP 14
STEP 15
STEP 18
J04025

CHECK-OUT PROCEDURE

UNIT NUMBER
All brake Accumulators charged to 1400 psi (9.65 MPa).
Maximum rear brake pressure (brake lock).
Maximum rear brake pressure.
Maximum front brake pressure.
Park brake indicator light off.
Park brake circuit pressure.
Pressure at which brake indicator light comes on.
Pressure at which stop lights come on.
Left rear brake pressure within one second (LBP).
Right rear brake pressure within one second (RBP).
Brake pressures remain above 2375 psi (16,375 kPa) minimum
for 20 seconds.
Left front brake pressure within one second.
Right front brake pressure within one second.
Brake pressures remain above 2375 psi (16,375 kPa) minimum
for 20 seconds.
Brake Circuit Checkout
SERIAL NUMBER
J4-13