ABB HT574653 Operation Manual page 111

NOTICE
CAUTION
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Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
Taking out of operation at short notice
Locking the rotor
Locking rotor TPL65-A32 / A33 / A36
Remove silencer or air suction branch.

Carry out the work as described in the chapter Disassembly and As-
sembly.
Insert locking flange (94003) into compressor wheel.

Position screws (94007) in unoccupied threaded holes of compressor

wheel and tighten them as specified in following Table of tightening
torques .
Do not remove any balancing screws from compressor wheel. Use only
unoccupied threaded holes to fit lifting spigot.
Position assembly / disassembly device (90020) over studs (72026)

and locking flange (94003).
Turn compressor wheel so that locking flange hexagon aligns with

hexagon in assembly / disassembly device (90020).
Tighten nuts (74027) complete with washers (72018) on compressor

casing as specified in following Table of tightening torques.
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