FORM 160.49-M1
19
YORK INTERNATIONAL
FIG. 27 –
CHECKING IMPELLER TOLERANCES
DETAIL A –
CHECKING RIM RUNOUT
(TOLERANCE - .003")
26347A
DETAIL B –
CHECKING EYE RUNOUT
(TOLERANCE - .002")
26346A
DETAIL C –
CHECKING AXIAL THRUST
00588VIP
REMOVING THE IMPELLER
(HA36 & HA41 Compressors) (See Figs. 29 & 30)
1. Before removing the impeller, measure and record
the following: (See Fig. 27) Position compressor so
that it is sitting on the correct horizontal plane to
assure correct readings.
a. Impeller rim Runout (Design 0.003" Max.)
b. Impeller eye Runout (Design 0.002" Max.)
c. High Speed Axial thrust (Design 0.008"
to 0.021")
d. Low Speed Axial Thrust (Design 0.011"
to 0.019")
FIG. 28 –
REMOVING IMPELLER
(IMPELLER SIZES 46 AND LARGER)
26345A
CAP SCREWS
IMPELLER
IMPELLER CLAMPING
COLLAR
FIG. 29 –
IMPELLER MOUNTING
(IMPELLER SIZES 36 & 41)
IMPELLER
IMPELLER
CLAMPING
COLLAR
CAP SCREW
AND
“O” RING
O-RING
26439A
2
Содержание HA-57
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