Komatsu 830E-AC Shop Manual page 593

Dump truck, serial numbers a30001-a30035

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HYDRAULIC BRAKE SYSTEM DATA SHEET

STEP 15 _______________

_______________

STEP 19 _______________ Low brake lock pressure warning alarm actuation - 6895 ± 172 kPa (1000 ± 25 psi).

STEP 22 _______________ Rear brake pressure when brake lock is applied - 10,343 ± 690 kPa

STEP 24 _______________ LAP1 pressure after 2 minutes - above 17,927 kPa (2,600 psi) is OK.

STEP 25 _______________ LAP1 pressure when low brake pressure warning occurs - 15,859 ± 517 kPa

STEP 26 _______________ LAP1 pressure when auto apply occurs - 14,479 kPa (2,100 ± 100 psi).

STEP 28 _______________ LAP1 pressure when low brake pressure warning occurs - 15,859 ± 517 kPa

_______________ LAP1 pressure when auto apply occurs - 14,479 kPa (2,100 ± 100 psi).

_______________ Front brake pressure after auto apply occurs.

_______________ Rear brake pressure after auto apply occurs.

STEP 32 _______________ Number of applications prior to auto apply - must be 6 or more.

Name of Service Technician or Inspector doing check-out

KOMATSU CHECK-OUT PROCEDURE

Front brake circuit pressure, pedal completely released - 0.

Rear brake circuit pressure, pedal completely released - 0.

(1500 ± 100 psi).

Failure Mode Check-out

(2300 ± 75 psi).

(2300 ± 75 psi). Should be within 690 kPa (100 psi) of Step 25.

Should be within 690 kPa (100 psi) of Step 26.

Brake Circuit Check-Out Procedure

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