Figure
11
323
/
/324
. 325
/326
/
329
/
Pump
Section
Repair
and
Packing
Replacement
WARNING:
Before
proceeding,
follow
the
Pressure
Relief
Procedure
outlined
on
page
5.
Additionally,
follow
all
other
warnings
to
reduce
the
risk
of
an
injection
injury,
injury
from
moving
parts
or
electric
shock.
Always
unplug
the
sprayer
before
servicing!
1 . Stop Sprayer
at
the bottom of its stroke and remove
Safety
Plate #342.
2.
Using a 3/8" allen wrench remove four screws (#306).
3. Using a 3/4" wrench loosen the retaining nut
on
the
Pipe Assembly
(#300) from Item #310.
4.
Place a screwdriver between Item #304 and #302 and
lightly pry downward.
5.
Pull Fluid Section forward.
6. Place Foot Valve Housing (#327) in a vise and use a
wrench on the Lower Housing
(#321) to unthread.
7. Remove the Seal (#322) from inside the Lower
Housing
(#321).
8.
Remove the Lower Cage (#323) from the Foot Valve
Housing (#327).
9.
Remove Ball (#324) and examine.
10. Remove Seat (#325). If damaged use other side or
. replace.
) 11. Remove Seal (#326).
ยท 12. Place the Lower Housing
in
a vise and use a wrench
on the Upper Housing (#311) to unthread.
13. Remove Seal (#320) from outside of the Lower
Housing
(#321).
25
Seat
Service
and
Repair
WARNING:
Before
proceeding,
follow
the Pressure
Relief
Procedure
outlined
on
page
5.
Additionally,
follow
all
other
warnings
to
reduce
the
risk
of
an
injection
injury,
injury
from
moving
parts or electric
shock.
Always
unplug
the
sprayer
before servicing!
The design of Titan's Elite Fluid Section
allows
access to
the
inlet and outlet balls and seat without
completely
disassembling the Fluid Section. It
is
possible
that
the
Balls may not seat properly because of
debris
stuck
in
the
inlet or outlet seat. Follow the instructions
below
for
access to those areas.
1.
Place a wrench
on
the Foot Valve (#327)
and
unthread.
2.
Clean out all debris. Examine Ball
and
Seat. If
damaged replace. Continue if necessary
or
reinstall.
3.
Place a wrench
on
the Lower Pump
Housing
(#321) and
unthread.
4. Place a wrench
on
the Retainer (#319) and unthread.
5.
Clean out all debris. Examine Ball
and
Seat. If
damaged replace.
6.
Reassemble and test unit. Should unit not perform
properly
consult the Troubleshooting Guides
on
pages 14
& 15
of this manual or continue with the
Repair
and
Packing Replacement instructions below.
14. Place the Upper Housing (#311) in a vise
and
use a
wrench
on
the upper Guide (#308) to unthread.
15. Using a Plastic Mallet Tap the Piston (#313) out of the
Bottom of the Upper Housing (#311
).
16. Place the Piston (#313) in the slots
of
the Slider
(#301) which is still mounted
on
the unit. This will hold
the Piston in place when removing the
Retainer
(#319).
NOTE: Never use wrench on the Piston.
17. Remove Seal (#314) from inside of Piston (#313).
18. Remove Upper Cage (#315) from
the
Retainer (#319).
19.
Remove the Upper Ball (#316) and examine.
20. Remove Seat (#317). If damaged
use
the other side
or replace.
21. Remove Seal (#318) from the Retainer (#319).
22. Remove the Upper Packing (#309) from
the
Upper
Housing (#311).
23.
Remove both Lower Packings (#312) from inside the
Upper Housing
(#311).
WARNING:
Always insert
Packings
with
the
raised
side facing into the
Upper
Housing.
24. Assemble in reverse order.
Be
sure to
use
all
of the replacement parts supplied
in
the Repacking
Kit
#762-175.
25. Align Flats on Piston so that it is perpendicular to the
Upper Mount
(#304).
26.
Reattach the four screws (#306) to the Pump Mount
(#304).
27.
Reattach Retaining Nut on Pipe Assembly (#300) to
Connector
(#31
0).
NOTE:
Make sure to fill the Upper Guide (#308) one-
third
(1/3) full with Piston Seal Lubricant.
