Gardner Denver INTEGRA EFA99F, Operating And Service Manual

Page: 61 / 71

13-8-639 Page 61
14. Remove the locking pin (Item 2 in Figure 7-1, page 58) and lower the motor. The weight of the motor
keeps the belts properly tensioned.
15. Check the sheave alignment.
16. Replace the enclosure and close the top enclosure door.
Figure 7-5 – DRIVE SHEAVE
REPLACING THE COMPRESSOR SHEAVE AND SHAFT SEAL
1. Disconnect, tagout and lockout the power supply to the starter.
2. Open the top enclosure door and remove the enclosure around the motor.
3. Raise the motor, until the locking pin (2) can be inserted through the slot (3) and into the hole (4) in
the bracket.
4. Remove the belts (1).
5. Remove the 2 screws in the motor bushing/sheave assembly and insert one in the jack bolt hole
(Figure 7-2, page 59).
6. The mounting bolt of the compressor sheave has a left hand thread. The bolt can be loosened by
giving the handle of the handle of the hex socket key a sharp blow with a hammer, while holding the
sheave in place using Gardner Denver tool EFC03476918. Remove the screw only about ¼”.
7. Pull the sheave off of the rotor with a gear puller.
8. Note, the wear sleeve will come off with the sheave.
9. Always replace both the wear sleeve and the shaft seal. The sleeve is removed by tapping it off with
Gardner Denver tool EFC03476918, or by tapping it off with a drift, through the three holes in the
sheave.
10. Remove the shaft seal.
11. When installing the sheave or shaft seal, carefully clean the shaft end and the seal housing surfaces.
12. Apply a coat of Loctite 542 or 545 to the outside diameter of the shaft seal. Install the shaft seal
using a suitable drift.
13. Install the wear sleeve onto the rotor shaft with a suitable drift.