OPERATION
MANUAL
Section 4: MAINTENANCE
TASK PER SERVICE BULLETIN 90134
Mechanical / Hydraulic Brake
Replace brake bushings, hydraulic
accumulators and check valves, and
flush hydraulic oil.
2000 hrs
Brake bushing replacement
tool kit, Hydraulic brake parts
Cooling / System
Cooling system flush
2000 hrs
Fill reservoir or jug and
tubing, antifreeze