TM 55-2840-231-23
2-15.1 CompressorCase Half - Installation - Continued
COMPRESSOR/-
Continued
1. Compressor Case Half
(2)
a. Position compressor
case half in place on the
compressor.
b. Install eight bolts(l),
and nuts (8) in each
horizontal splitline.
Bolt
at positions two and seven
are pilot bolts. Tighten
nuts on the pilot bolts to
10-15 in. lb (0.1-0.2 kg/m)
plus locknut drag; then
tighten the remaining
nuts.
NOTE
To determine locknut drag, run the
nut up snug; then back off one-half
turn. The torque required to first turn
the loosened nut is locknut drag.
NOTE
When installing the first case half,
apply a thin coat of sealant (item 51,
Appendix D) to the vertical splitlines.
When installing the second case half,
apply a thin coat of sealant to the
vertical and horizontal splitlines and
immediately proceed to secure
compressor half before sealant cures.
c. Install eight case-to-
front diffuser bolts (4)
and nuts (7). Tighten the
nuts to 10-15 in. lb (O.l-
0.2 kg/m) plus locknut
drag.
d. Install nameplate (6) (if
applicable ) and five case-
to-front support bolts (3)
and nuts (5). Tighten the
nuts to 10-15 in. lb (0.1-
0.2 kg/m) plus locknut
drag.
2 - 6 4 .
2
Change 11
