Repair manual

Disassembly and Assembly RD 27
wc_tx001221gb.fm 106
8.8 Disassembling a Drum
Prerequisites  Drum removed
 Crane capable of lifting 450 kg (1000 lb)
Disassembly Perform the procedure below to disassemble the drum.
1. Remove the drum from the machine. See section Removing a Drum.
2. Using an appropriate lift or hoist, lift the drum into the vertical position resting on
the side where the drive motor was mounted.
3. Remove the four screws (a) securing the exciter-motor-side drum support (b)
and remove the drum support.
4. Mark (c) the bearing cover (d) for ease of re-installation.
5. Remove the four screws securing the bearing cover. Pry the bearing cover
loose with a screwdriver. If the prying doesn’t work, mount a piece of steel to the
bearing cover using the screws for the drive motor. Then, using a lift or hoist,
pull the bearing cover from the drum.
6. Remove the snap ring (e).
7. Temporarily reattach the drum support (f) to the drum. Then, using an
appropriate lift or hoist, pull the drum support and the shockmount plate (g) (with
shockmounts still attached) off the drum.
This procedure continues on the next page.