FKL Series Pump
2
slide on the shaft (Figure 38).
Hold the bearing in place for a
few seconds so the bearing has
a chance to cool.
g) Install the bearing spacer,
the bearing lock nut washer
and the bearing lock nut onto
the shaft (Figure 38). Hand
tighten the nut with the span-
ner wrench.
h) Repeat steps A – G with the
other shaft. Be sure to align
the key ways to 1 o’clock as
shown in Figure 39 and also
be sure that the part numbers
on both gears face the bearing
lock nut end of the gearbox.
This will ensure proper timing.
i) Install the rotors onto the
shafts.
j) Place a wooden dowel
between the rotors, as
shown in Figure 40 and
tighten the bearing lock
nut on the drive shaft with
the spanner wrench until
a rolling torque of
7 in-lbs is reached. Use an
indicating torque wrench.
k) Tighten the idle shaft with
the spanner wrench until
the rolling torque (mea-
sured on the drive shaft) is
doubled.
l) Use a rolling torque
wrench to check that there is
preload on the bearing (Figure 41).
Figure 38
Figure 39
IL-0528
Figure 40