Howden WRV, Руководство по обслуживанию

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8.4 DISMANTLING 204, 255, 321 & 365 COMPRESSOR FOR MAJOR OVERHAUL (Continued)
Fig. 64
Fig. 65
Rotor
Size
Estimated Weights
Male Female
lbs Kgs lbs kgs
204/1.10 128 58 98 44
204/1.65 171 78 131 59
255/1.10 267 121 231 106
255/1.65 353 160 298 135
255/2.20 437 198 364 161
321/1.32 527 239 435 197
321/1.65 630 286 515 234
321/1.93 763 346 593 269
365/1.65
990 450 770 350
365/1.93 1111 505 891 405
Fig. 67. Rotor Weights
The thrust bearing sleeves and the angular contact thrust bearings can now be easily removed. The
balance piston and balance piston sleeves are now accessible and, wit
h the aid of the screwed ‘T’
bars, (see Special Tool List, Section 9.3) the pistons and sleeves are removed.
The journal bearings can now be extracted from the Main and Inlet casings using an extractor tool.
See Tool List Section 9.3.
Fit new journal bearings using assembly tool in preparation for re-assembly.
The journal bearings are located by a dowel pin and are retained by circlips.
Fig. 66