Bosch Rexroth Hagglunds VI 64 Series - Brake Assembly BA-43 and BA-63

28/68 Installation
Bosch Rexroth Mellansel AB, Intallation and maintenance manual, Hägglunds VI, RE 15310-WA/10.2015
Method No. 3
• Machine the surfaces of the frame parts against the brackets to a atness 0.5 mm
(0.020 in).
• Weld the frame parts on the foundation with a alignment tool (if necessary, use the
winch as alignment tool).
• After welding take o the alignment tool and place a ruler on the two frame parts
and use feeler gauges to nd out the thickness of shims on each screw position.
• Place shims in the screw positions and assemble the winch.
Tightening torque: see tightening torque for respective bracket.
Fig. 31:
Brake assembly BA-43 and BA-63
Brake
assembly
Braking torque in braking force direction* with friction
factor µ = 0.35 after running-in period
Single acting Double acting
Nm lbf·ft Nm lbf·ft
BA-43 76 000 56 000 55 000 40 500
BA-63 90 000 66 300 65 000 47 900
* If the brake is used opposite to its designated force direction, about 20% of its braking capacity
can be expected.
WARNING
Oil on the brake linings reduces the braking torque.
Braking force direction
Load
Clockwise Counter Clockwise Double acting
Load
Fig. 32: