0
323
/
/324
325
/326
/
327
/
329
/
-
ForHR
only
Figure
11
For
LR
see
pg
23
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
Lower
Seal (#322) from inside the Lower
Housing (#321
).
8.
Remove the
Lower
Cage (#323) from the Foot Valve
Housing (#327).
9.
Remove
Lower
Ball (#324) and examine.
10. Remove
Lower
Seat (#325). If damaged use other
side
or
replace.
11. Remove Seal (#326).
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 Epic 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 instruction 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 13
& 14 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 Rod (#313) out
of
the Bottom of
the
Upper Housing (#311
).
16. Place the Piston Rod (#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
Upper
Seal (#314} from inside of Piston Rod
(#313}.
18. Remove Upper Cage (#315) from the Retainer (#319).
19. Remove the
Upper
Ball (#316) and examine.
20. Remove Upper 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
Packing (#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 #761-175.
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.
