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14
Refer to Figure 14 (left).
1. Loosen and remove siphon tube assembly by turning
counterclockwise.
2. Remove front cover.
3. Remove packing nut cover.
4. Run the unit in short intervals until the connecting pin
is in front of the recessed area of the housing.
5. Disconnect the power cord from the electrical supply.
6. Remove the retainer clip on the yoke.
7. Remove the connecting pin by pushing it through the
yoke and piston rod.
8. Loosen and remove fluid hose.
9. Loosen large locknut (7) on upper end of fluid section.
10. Unscrew entire fluid section assembly by turning coun-
terclockwise.
11. Using wrench flats on inlet valve holder (28), position
fluid section vertically into vise. Tighten vise.
12. Locate wrench flats on cylinder (8). Turn cylinder
counterclockwise with large adjustable wrench until it is
removed from the inlet valve holder (28).
13. Remove and inspect upper O-Ring (22) in inlet valve
holder. If damaged, replace when re-installing.
14. Remove inlet valve holder (28) from vise. Tap out ball
stop disc (23), ball cage (25) and ball (24).
If any parts are difficult to disassemble, soak in
lacquer thinner until paint softens.
15. Remove lower ball seat (26). Inspect the ball and ball
seat for damage. If seat is worn or damaged it can be
flipped to the unused side. Ball must be replaced if
damaged or if the seat is flipped.
Figure 14 - Fluid Section
WARNING
ALWAYS follow the Pressure
Relief Procedure (page 10)
before starting any troubleshooting, servicing, or cleaning.
Repacking the Fluid Section
A small amount of paint by-passing the piston and coming
out of the slots in the upper piston housing is normal, but if
it becomes excessive, or if paint pressure drops, the piston
packings need to be replaced.
CAUTION
Do not run motor with fluid section
removed.
Inlet and Outlet Valve carbide seats are reversible.
If one side becomes worn or damaged, flip the seat
to the un-used side.
NOTE:
Continued on next page.
*2
*4
7
8
*14
#26
#18
*#17
* Included in Packing Kit
P/N 0294905.
# Included in Valve Kit
P/N 0294689.
*#27
*#24
*#22
16
15
*12
*13
*11
10
*9
*6
*5
*3
1
20
21
23
25
28
*#19
©1994, rev. 1995 Wagner Spray Tech Corporation. All rights reserved.