ELGi TRC 1000 MN UG, Owner'S Manual

Page: 17 / 81

17
1. Fit the motor side hub on motor shaft, fix key way grub screw
2. Assemble the coupling spacer on motor side coupling hub.
3. Put the motor on base frame first.
4. Put the compressor on base frame ensuring that the spacer encovers the
compress side hub and lamina screws get through the compressor side
hub flange tighten the compressor side hub to spacer bolts.
5. Locate the compressor properly and tighten it to the base (this is not to be
disturbed further)
6. Maintain 101mm distance (flange to flange) by moving motor towers or
away from compressors
7. Once 101 mm is maintained. Fix the motor to the base frame firmly.
8. Mount dial gauge on compressor side hub so that one dial gauge touches
motor side hub radially and other dial touches fan blade coller ( Ø 300)
axially (ensure dial gauge pressure by 2 bar)
9. Adjust ‘0’ on both dials at the top position (i.e., 12’O’ clock position)
10. Take radial / angular readings at 12, 3, 6, 9 ‘O’ clock position record as
follows
11. Sample reading for interpretation - radial allowable limit - 0.85 mm (TIR)
Disc coupling assembly procedure