Start-Up, Operation, and Maintenance Instructions
Start-Up, Operation, and Maintenance Instructions
Start-Up, Operation, and Maintenance Instructions
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VIEW A<br />
LOW SPEED SHAFT THRUST DISK<br />
COMPRESSOR, TRANSMISSION AREA<br />
98<br />
Compressor Assembly Torques<br />
ITEM DESCRIPTION<br />
TORQUE<br />
ft.-lb N m<br />
1* Oil Heater Retaining Nut 20 28<br />
2 Bull Gear Retaining Bolt 80-85 108-115<br />
3 Demister Bolts 15-19 20-26<br />
4 Impeller Retaining Bolt 44-46 60-62<br />
5* Motor Terminals (Low Voltage) 50 68<br />
6* Guide Vane Shaft Seal Nut 25 34<br />
7* Motor Terminals (High Voltage)<br />
— Insulator 2-4 2.7-5.4<br />
— Packing Nut 5 6.8<br />
— Brass Jam Nut 10 13.6<br />
LEGEND<br />
N m — Newton meters<br />
*Not shown.<br />
Fig. 44 — Compressor Fits <strong>and</strong> Clearances<br />
NOTES:<br />
1. All clearances for cylindrical surfaces are diametrical.<br />
2. Dimensions are with rotor in thrust position.<br />
3. Dimensions shown are in inches.<br />
4. Impeller spacing should be performed in accordance with most<br />
recent Carrier Service Bulletin on impeller spacing.
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