OPEN CB
121VU-M33	HYD/BRAKING AND STEERING /SYS1/ SPLY
121VU-M34	HYD/ BRAKING AND STEERING / SYS1 / CTL
121VU-M35	HYD/ BRAKING AND STEERING /SYS2 / CTL
121VU-M36	HYD/ BRAKING AND STEERING /SYS2 / SPLY
121VU-M37	HYD/ BRAKE /TEMP/ DET /UNIT
121VU-N36	HYD/ PARK BRK/ CTL / NORM
121VU-N37	HYD/ PARK BRK/ CTL/ STBY
Torque brake nuts 237 - 224 NM (174 - 179 ft-lb)
CLOSE CB´s
PERFORM LEAK CHECK
CHECK BRAKE TEMP
Change of Brake Assy AMM 32-42-27-400