
F
riStam
P
umPS
16
p
ump
e
nD
a
SSembLy
a) Install the pump hous-
ing onto the gearbox
and secure the housing
dome nuts.
note: F
or
FL2 15
prior
to
m
arch
2009:
b) Install the gapping
spacer and rotor on to
the appropriate shaft.
Install the rotor with
one dot onto the drive
shaft and the rotor with
two dots onto the idle
shaft (
Figure 16a
).
F
or
a
LL
o
ther
m
oDeLS
:
b) Install the gapping spac-
er o-ring into the o-ring
groove on the gapping
spacer.
• Install the gapping spacer with one dot
onto the drive shaft. Install the gapping
spacer with two dots onto the idle shaft
(Figure 16).
• Install the rotor o-rings into the
grooves on the back of the rotors (
Fig-
ure 17
).
• Install the rotors, o-ring side first, into
the pump housing. Install the rotor
marked with one dot onto the drive
shaft. Install the rotor with two dots
onto the idle shaft. Note: the dots are
located in the o-ring groove on the
front of the rotor.
FL3: Both rotors must be installed
at the same time.
F
or
aLL
m
oDeLS
:
c) Install the rotor nut o-rings into the rotor nut
groove on the front of the rotor.
d) Apply one drop of removable thread lock to the
shaft threads and thread the rotor nuts onto the
shaft in the clockwise direction.
e) Place the wooden dowel between the rotors as
shown in
Figure 18
.
FL3 Only: Secure the drive shaft with a chain
wrench to prevent rotation.
Figure 16
Figure 17
1265000117
7/29/03
Figure 16a