hitachi — Hitachi BAIC Heavy Machinery Service Manual Safety Guidelines and Operational Procedures

4. Brake system and clutch cut off checks 4. Brake system and clutch cut off checks · Park brake capacity check · Park brake transmission lockout check · Service brake pump flow check · Service brake capacity check · Brake accumulator precharge check · Brake system leakage check · Service brake pedal check · Service and park brake system drag check · Clutch cut off check 5. Driving checks 5.

Driving checks · Transmission oil warm up procedure · Transmission noise check · Speedometer check · Transmission kick down system check · 1st, 2nd, 3rd and 4th speed clutch pack drag check · Transmission pressure, pump flow and leakage check · Transmission shift modulation check · Torque converter check · Engine power check 6. Hydraulic system checks 6.

Hydraulic system checks · Hydraulic system warm up procedure · Hydraulic pump performance check · Pilot control valve boom float check · Boom down solenoid valve check · Control valve lift check · Bucket rollback circuit relief valve check · Bucket dump circuit relief Low pressure check High pressure check · Boom and bucket cylinder drift check · Boom down solenoid valve leakage check · Pilot controller check · Return to dig check · Boom height kickout check-if equipped 1-2 5