Repair
Reassemble
Reassemble
Reassemble the
the
the Center
Center
Center Section
Section
Section
See
See
See the
the
the illustrations
illustrations
illustrations on
on
on the
the
the previous
previous
previous page.
page.
page.
1.
1.
1.
Clean
Clean
Clean and
and
and dry
dry
dry the
the
the center
center
center housing
housing
housing (101),
(101),
(101), the
the
the
center
center
center of
of
of the
the
the piston
piston
piston (102)
(102)
(102) and
and
and the
the
the drive
drive
drive shaft
shaft
shaft
(112).
(112).
(112).
2.
2.
2.
Inspect
Inspect
Inspect the
the
the piston
piston
piston for
for
for excessive
excessive
excessive wear
wear
wear and
and
and replace
replace
replace
ifif
if needed.
needed.
needed. Grease
Grease
Grease the
the
the piston
piston
piston as
as
as shown
shown
shown on
on
on page
page
page
18
18
18 and
and
and install
install
install itit
it in
in
in the
the
the center
center
center section
section
section with
with
with the
the
the
groove
groove
groove on
on
on the
the
the top,
top,
top, in
in
in line
line
line with
with
with the
the
the bearing
bearing
bearing bolt
bolt
bolt
(106)
(106)
(106) hole
hole
hole in
in
in the
the
the center
center
center section.
section.
section.
3.
3.
3.
Install
Install
Install the
the
the bearing
bearing
bearing (107
(107
(107 [if
[if
[if removed
removed
removed from
from
from the
the
the
bearing
bearing
bearing bolt]),
bolt]),
bolt]), o-ring
o-ring
o-ring (108),
(108),
(108), and
and
and the
the
the bearing
bearing
bearing bolt
bolt
bolt
(106).
(106).
(106). Apply
Apply
Apply medium-strength
medium-strength
medium-strength (blue)
(blue)
(blue) thread
thread
thread
locker
locker
locker to
to
to the
the
the bearing
bearing
bearing bolt.
bolt.
bolt. Be
Be
Be sure
sure
sure that
that
that the
the
the
bearing
bearing
bearing (107)
(107)
(107) is
is
is in
in
in the
the
the groove
groove
groove on
on
on the
the
the piston,
piston,
piston, as
as
as
shown.
shown.
shown. Be
Be
Be sure
sure
sure that
that
that the
the
the piston
piston
piston moves
moves
moves freely.
freely.
freely.
Torque
Torque
Torque the
the
the bolt
bolt
bolt to
to
to 15–25
15–25
15–25 ft-lb
ft-lb
ft-lb (20–34
(20–34
(20–34 N•m).
N•m).
N•m).
4.
4.
4.
Be
Be
Be sure
sure
sure the
the
the sealing
sealing
sealing surface
surface
surface of
of
of the
the
the drive
drive
drive shaft
shaft
shaft
(112)
(112)
(112) is
is
is clean.
clean.
clean. Install
Install
Install the
the
the seal
seal
seal cartridge
cartridge
cartridge (110†)
(110†)
(110†)
and
and
and the
the
the radial
radial
radial seal
seal
seal (111†)
(111†)
(111†) on
on
on the
the
the drive
drive
drive shaft.
shaft.
shaft. Be
Be
Be
sure
sure
sure the
the
the o-ring
o-ring
o-ring (111a†)
(111a†)
(111a†) is
is
is on
on
on the
the
the radial
radial
radial seal.
seal.
seal. The
The
The
lips
lips
lips on
on
on the
the
the radial
radial
radial seal
seal
seal (111†)
(111†)
(111†) must
must
must face
face
face IN
IN
IN toward
toward
toward
the
the
the center.
center.
center.
5.
5.
5.
Install
Install
Install o-ring
o-ring
o-ring (109†).
(109†).
(109†).
6.
6.
6.
Apply
Apply
Apply anti-seize
anti-seize
anti-seize lubricant
lubricant
lubricant on
on
on the
the
the mating
mating
mating surfaces
surfaces
surfaces
of
of
of the
the
the drive
drive
drive shaft,
shaft,
shaft, as
as
as shown
shown
shown in
in
in the
the
the illustration,
illustration,
illustration,
page
page
page 18.
18.
18.
7.
7.
7.
Center
Center
Center the
the
the piston
piston
piston in
in
in the
the
the housing
housing
housing and
and
and install
install
install the
the
the
drive
drive
drive shaft
shaft
shaft assembly
assembly
assembly (112),
(112),
(112), with
with
with the
the
the groove
groove
groove (G)
(G)
(G)
facing
facing
facing up,
up,
up, into
into
into the
the
the center
center
center housing
housing
housing (101).
(101).
(101).
8.
8.
8.
Inspect
Inspect
Inspect the
the
the shaft
shaft
shaft coupler
coupler
coupler (114)
(114)
(114) for
for
for wear
wear
wear and
and
and
replace
replace
replace ifif
if needed.
needed.
needed. Install
Install
Install on
on
on the
the
the drive
drive
drive shaft.
shaft.
shaft.
9.
9.
9.
If
If
If removed,
removed,
removed, install
install
install the
the
the gearbox
gearbox
gearbox coupler
coupler
coupler (114)
(114)
(114)
on
on
on the
the
the shaft.
shaft.
shaft. Apply
Apply
Apply medium
medium
medium strength
strength
strength (blue)
(blue)
(blue)
thread
thread
thread locker
locker
locker and
and
and install
install
install the
the
the screw
screw
screw (115).
(115).
(115). Torque
Torque
Torque
to
to
to 35–45
35–45
35–45 ft-lb
ft-lb
ft-lb (47–61
(47–61
(47–61 N•m).
N•m).
N•m). Then
Then
Then install
install
install the
the
the
alignment
alignment
alignment housing
housing
housing (116)
(116)
(116) and
and
and lifting
lifting
lifting bracket
bracket
bracket (139)
(139)
(139)
on
on
on the
the
the gearbox
gearbox
gearbox using
using
using the
the
the screws
screws
screws (120,
(120,
(120, 122),
122),
122),
washers
washers
washers (119).
(119).
(119). Torque
Torque
Torque to
to
to 130–160
130–160
130–160 in-lb
in-lb
in-lb (15–18
(15–18
(15–18
N•m).
N•m).
N•m).
10.
10.
10. Install
Install
Install the
the
the alignment
alignment
alignment housing
housing
housing o-ring
o-ring
o-ring (130)
(130)
(130) on
on
on the
the
the
housing
housing
housing (101).
(101).
(101).
11.
11.
11. Be
Be
Be sure
sure
sure the
the
the gearbox
gearbox
gearbox coupler
coupler
coupler (114)
(114)
(114) is
is
is aligned
aligned
aligned
properly.
properly.
properly. Turn
Turn
Turn by
by
by hand
hand
hand ifif
if needed.
needed.
needed. Connect
Connect
Connect the
the
the
pump
pump
pump to
to
to the
the
the gearbox
gearbox
gearbox assembly,
assembly,
assembly, engaging
engaging
engaging the
the
the
couplers.
couplers.
couplers.
12.
12.
12. Apply
Apply
Apply medium-strength
medium-strength
medium-strength (blue)
(blue)
(blue) thread
thread
thread locker
locker
locker and
and
and
install
install
install the
the
the housing
housing
housing screws
screws
screws (117).
(117).
(117). Tighten
Tighten
Tighten each
each
each
screw
screw
screw about
about
about 5
5
5 turns
turns
turns at
at
at a
a
a time,
time,
time, in
in
in a
a
a crisscross
crisscross
crisscross
pattern,
pattern,
pattern, to
to
to fully
fully
fully engage
engage
engage the
the
the coupler.
coupler.
coupler. Torque
Torque
Torque to
to
to
130–160
130–160
130–160 in-lb
in-lb
in-lb (15–18
(15–18
(15–18 N•m).
N•m).
N•m).
13.
13.
13. Be
Be
Be sure
sure
sure o-ring
o-ring
o-ring (134)
(134)
(134) is
is
is on
on
on the
the
the plug
plug
plug (124).
(124).
(124). Install
Install
Install
the
the
the plug
plug
plug and
and
and torque
torque
torque to
to
to 15–25
15–25
15–25 ft-lb
ft-lb
ft-lb (20–34
(20–34
(20–34 N•m).
N•m).
N•m).
14.
14.
14. See
See
See
Reassemble
Reassemble
Reassemble the
the
the Diaphragms
Diaphragms
Diaphragms,,, page
page
page 15
15
15
,,, and
and
and
Reassemble
Reassemble
Reassemble the
the
the Check
Check
Check Valves,
Valves,
Valves, page
page
page 12
12
12
...
3A3168R
19
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