Fristam Pumps FKL-150, Instruction And Maintenance Manual, Page: 19 / 50

FKL Series Pump
position.
A
SSEMbLE FRONT bEARINgS ONTO ShAFTS
Cover the coupling area of the drive shaft with
tape, to protect it. Lightly grease the front bear-
ing step on the pump shafts.
a) Press the front bearing cone on the shaft.
Use a hose clamp or tape to hold the cups
and outer spacer together (Figure 4).
b) Install the inner bearing spacer and outer
cup assembly over the bearing on the shaft.
c) Press the other bearing cone on the shaft.
d) Remove the hose clamp or tape
e) Install the front gear spacer on the shaft.
S
ETTINg ThE
R
OTOR
g
AP
Clean and inspect the gearbox.
a) Lightly coat the front and rear bearing bores
with oil. Note that before you install the outer
race for the front bearings, you must place the
shims in the bottom of the bore of the gear-
box as shown in Figure 5 and 6. For new
shafts, use 0.100” of shim and for used shafts
use 0.10” of shim.
b) Install the pump shafts into the correct bores.
Secure them in position using the front bearing caps, be sure to tighten the bearing cap screws to
the appropriate torque.
c) Carefully slide the pump housing over the pump shafts and onto the gearbox. Make sure that the
housing is positioned so that the small pin slides into the small bushing on the gearbox and the
large pin slides into the large bushing. The long housing studs will help to align the pump housing
in the proper position.
d) Secure the pump housing with the hex head housing bolts. Note: On the FKL 5 use six 18mm long
bushings over the six housing studs and install the cover nuts to hold the housing in place during
assembly. Tighten with the appropriate wrench.
e) Slide the rotors into the pump housing with the rotor o-ring groove toward the back of the pump
housing. It is not necessary to have the rotor o-rings installed at this time.
f) Align the rotors with the pump shaft
so that the missing spline teeth on the
rotor slides into the missing teeth on
the pump shaft.
g) Place the rotor caps over the rotor.
h) Rotate the rotor cap so that the hole in
the rotor cap lines up with the threaded
hole in the pump shaft and thread the
rotor bolt through the rotor cap into
the pump shaft.
i) Place the wooden dowel between the
rotors as shown in Figure 7.
j) Tighten the first rotor bolt with the ap-
SHAFT SUPPORTS
GEARBOX
ARBOR PRESS
IL-0578
Figure
1265000098 Rev A
GREASE
MUST BE CONCENTRIC
Figure 4