SPI SP41, Установка, эксплуатация и обслуживание

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7. Set the impeller (11) clearance from the backplate (6) – specification is 0.06” +/- 0.01”
clearance .
A. Loosen the set screws in the impeller shaft (3) using a 5/32” hex wrench.
B. Using a feeler gauge between the impeller (11) and backplate (6), push the impeller onto the
gauge and tighten the set screws on the impeller shaft
• Check all impeller blades. If any of them exhibit clearances under the low-end of the
clearance tolerance, repeat steps 7A and 7B until the minimum clearance is met on all
impeller blades.
• Double check that all set screws on the impeller shaft (3) are tight. Re-apply threadlocker
if several iterations of steps 7A and 7B were required.
FIG. 29 - IMPELLER CLEARANCE MEASUREMENT
\\ASSEMBLY INSTRUCTIONS -
\\ SP51/SP61/SP81
0.060±0.01