IMI-CPP - page 11

BULLETIN IMI-CPP
JUNE 2011
PAGE11
17. Attach nose spinning.
* Allows for piston-housing-groove-to-crankarm-roller clearance and in-motion bladeair
load.
THEFOLLOWING INSTRUCTIONSAPPLYFORRUNTESTINGONLY:
NOTE: SeeAlsoSectionC. INSTALLATIONANDSTART-UP, Start-up
CheckList.
1. Run fan. Touch-up balance as required.
2. Run fan. Actuateblades full travel several timesas final check of operation.
3. Following run test, removenose spinning. If necessary, add
DARMEX123
grease to
each bladebearing through fittingsprovided until a one-thirty-second inch ring of
greaseappearsaround bearingO.D., insidehub.
4. Attach nose spinning.
G. INSTALLEDFANS
1. ChicagoBlower requires that all appurtenances, including ductwork or stacks,
which are attached to the fan inlet or outlet, be independently supported, unless
prior approval hasbeen obtained fromChicagoBlower. Excessdead lowind loads
can distort the fan housing causingmisalignment and possible failure. Flexible
connectionsare also necessary to prevent duct expansion ormovement from adding
loads to the fan.
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