Disassembly/Assembly
Guidelines
IRB 6400
Page 4 - 20
Maintenance
Adjusting Axis 5 Bearings Pre-Tensio n
• Remove the stop screws (W45) and the bearing locknut (W43).
• Clean the threads in the hub (W38) and the locknut (W43).
• Apply Loctite 290 on the threads in the hub and the locknut (W43).
• If new bearings are being installed, tighten the locknut (W43) to a torque
of 64 ft-lb ±5%. Use tool ABB# 3HAB 1022-1 together with the torque
wrench.
• If the old bearings are being re-installed, tighten the locknut (W43) to a
torque of 52-56 ft-lb. Use tool ABB# 3HAB 1022-1 together with the torque
wrench.
REFERENCE DRAWINGS
Exploded View:
3HAA 0001-GX (pg 13-18)
Assemblies:
“W” (pg 12-5)
3HAA 0001-GX (pg 13-21)
REQUIRED TOOLS
ABB #3HAB 1022-1
Torque Wrench (52-64 ft-lb)
Loctite 290
3HAA 0001-GX (pg 13-20)
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