Xylem P2000516 Marlow Series Impeller Static Balancing Instructions - Manual (Page 2)

2
FIGURE 1
STEP 1 — When cutting the impeller O.D. it is
suggested that the tail stock of the lathe be utilized
and act as a stablizer.
FIGURE 3
STEP 2 — After impeller has been cut to size, make
certain that all burrs are removed. Insert mandril
into impeller and place on balancing ways. Spin the
impeller lightly and allow to turn until it stops rocking.
FIGURE 2
For holding the impeller in the chuck. Note the use of
a flat block of wood between impeller and blunt tail
stock.
FIGURE 4
Make a chalk mark at the bottom center of the
impeller. This is the unbalanced point.