(11) The circulating valve can be disas-
(3) Move piston trip rod assembly (29)
sembled as shown (1 through 10, fig. 8-3D).
to the UP position.
c. Inspection and Repair,
3
(4) Place a /8 inch open end wrench on
(1) Clean all parts in an approved clean-
the flats of the nut (4).
ing solvent.
(5) Cover the rod with cloth and insert a
(2) Inspect and replace any worn or
slip joint pliers through adapter opening and
damaged parts.
grasp trip rod assembly (29) above the
(3) Inspect threaded surfaces for damage.
shoulder.
(4) Replace all parts supplied in parts kit.
Caution: Do not scratch the chrome
d. Reassembly. Reassembly is essentially the
finish on trip rod assembly.
reverse of disassembly with the following pre-
3
(6) Use a /8 inch open end wrench and
cautions to be as follows:
turn counterclockwise to remove nut (4, fig.
(1) Clean the threads of trip rod (29,
(7) The remaining parts of the air motor
liquid sealant.
can then be disassembled into its component
(2) Apply liquid sealant to threads of
parts (2 through 33, fig. 8-3A and 1 through
trip rod (29) from which nuts have been
11, fig. 8-3B).
removed.
(8) The body and packing group can be
(3) Reassemble trip rod with slip joint
disassembled as shown (1 through 15, fig.
3
pliers and /8 inch open end wrench.
(4) When a new seat valve is installed in
(9) The high pressure tube (fig. 8-3F)
the air motor, items 21, 22, 23 and 24 should
of the 40 to 1 ratio pump can be disassembled
be assembled with the letter "T" in the UP
as shown (1 through 22).
position.
(10) The low pressure tube (fig. 8-3E)
of the 12 to 1 ratio pump can be disassembled
as shown (1 through 13).
for installation of the lubricant pumps.
8-9
