Repair manual

Gearbox and Spider CRT Repair
wc_tx000095gb.fm 42
6.5 Gearbox Disassembly
See Graphic: wc_gr001584
6.5.1 Remove gearbox. See Section Gearbox Removal and Installation.
6.5.2 Remove spider assembly. See Section Spider Removal and
Installation.
6.5.3 Remove the drain plug (a) and allow the oil to drain out. It may be
necessary to remove the oil fill plug (cc) to facilitate draining. Open or
remove pressure relief valve (b) if needed.
Note: In the interests of environmental protection, place a plastic sheet
and a container under the machine to collect any liquid which drains
off. Dispose of this liquid in accordance with environmental protection
legislation.
6.5.4 For 48" models:
• Remove protective guard (c) by removing 2 screws (d), washers
(e), and 2 studs (f) from gearbox.
• Remove center screw (g) and washer (h) from fan (i). Remove
fan.
6.5.5 Remove 4 screws (j) from each seal cover (k). Remove covers,
shim(s) (l), and o-rings (m).
6.5.6 Remove 2 bolts (n) from top cover (o). Remove top cover, shim(s) (p),
and o-rings (q).
6.5.7 Using rubber hammer, tap input shaft (r) towards opposite end.
Remove output shaft (s) with output gear (t). Remove shaft.
6.5.8 Support the output gear (t) in a press. Press the output shaft out
through the gear and upper bearing (u).
6.5.9 Remove the key (v) from the output shaft and press off lower bearing
(w).
Note: If there is difficulty removing roller cup bearings from shafts, heat
housing until cup removes easily.
6.5.10 Press bearings (u, w, x) off each shaft (r, s). Remove bearing cups (y,
z) and seals (aa, bb).
6.5.11 Clean parts with appropriate cleaning solvent.