Page Number - 2
Form 403121
OLD STYLE (CONT.)
9. After pump tube has been completely taken apart the
piston (34090) and two piston washers (48212) can
be removed by unscrewing the piston bolt (11329)
from the piston rod (11340).
To remove rod (11340) use a threading motion to
unscrew from packings in outlet body (40537). Use
wrench on milled flats of rod (11340). Use same
procedure when installing rod (11340) in new pack-
ings to prevent the threads on rod from damaging
packings.
10. Unscrew gland nut (12333). Remove and replace
packing (34180). Remove gland packing spacer
(14940). Remove and replace 0-ring (34572) and U-
cup (38165) from gland packing spacer (14940).
When reassembling piston rod (11340) through
packings in outlet body (40537), do not force rod
through packings as the threaded position portion of
the rod will damage packings. Insert piston rod and
use a threading motion to move the rod (11340)
through the packings.
11. The two air cylinder gaskets (33014) and two air
passage tube 0-rings (34368) are to be replaced as
the air motor is reassembled.
12. See Fig. A. Lay pump horizontal in vise and grip
outlet body lightly in vise jaws. Hold extension tube
(61273) and unscrew priming tube (239719).
13. See Fig. B. Pull plunger (11724) straight out until
plunger rod (11723) is extended as far as possible
out of the extension lube (61273). Hold bushing of
90554 and unscrew extension tube (61273).
Center extension tube (61273) between end of
piston bushing and plunger (11724). Insert any
pointed tool in crosser.
Note: Plunger may unscrew from plunger rod
(11723) or plunger rod may unscrew from check
seat (11726). Extension tube (61273) can be re-
moved from free end of plunger rod (11723).
14. See Fig. C. Removal of extension tube (61273)
exposes the check seat (11725), priming check
(11721), check stop (11722), support bushing
(11702) and plunger packing (35073).
Note: Unscrew priming check (11721) from check
stop (11722) to remove support bushing (11702)
and plunger packing (35073).
15. See Fig. D and E. Hold pump tube and unscrew
bushing of 90554. Grip two flats at top of plunger
with an end wrench and remove check seat (11726).
Note: Check ball (66010) may remain in plunger
after check seat (11726) is removed. To remove
check ball lilt pump in vise and gently tap top of
plunger at location of two flats.
16. See Fig. F. Remove pump tube from outlet body.
Remove piston rod from piston rod connector
(11349). Milled flats are provided so that parts can
be held with open end wrenches. Remove piston
rod connector (11349) and trip rod (90691) from the
air motor piston rod (11340) in the same manner.
Remove air motor piston rod (11340) as stated in
Step No. 8. Replace gasket (31048) between piston
rod and piston rod connector (11349). Replace
pump tube gasket (31054).
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