9
•
Use pliers to pull the seat (8) out of the fluid section (7) and remove the 006 Kalrez
®
O-ring (25)
from the seat.
Note: If stuck, the seat can be pushed through from the opposite side of the fluid section.
•
Using an adjustable wrench, unthread and remove the inlet check valve housing (5) from the fluid
section (7) and remove the 007 Kalrez
®
O-ring (27) from the housing.
•
With a standard 3/32” Hex Key, remove the bleeder set screws (17) from the fluid section (7).
•
Submerge the inlet and outlet check valve housings (5, 6) in solvent.
•
Clean all other wetted parts thoroughly with an appropriate solvent.
•
On the air section, use a standard 3/32" Hex Key to evenly remove the final two machine screws
(14) that thread into the end cap (19).
Note: During removal that the spring (9) will force the air section apart.
•
Separate the upper air body (2) from the lower air body (20) to remove the spring (9) then slide the
end cap (19) off of the needle (1).
•
Holding the lower air body (20) in one hand, grab the needle (1) then push the needle and piston
(21) assembly out of the lower air body.
•
Remove the 004 Buna O-ring (23) from the lower air body (20).
•
Hold the piston (21) with an adjustable wrench then use a 5/64" Hex key to unthread and remove
the set screw (16) to remove the needle (1) then remove the 014 Buna O-ring (28) from the piston.
•
Remove the 014 Buna O-ring (28) from the upper air body (2).
•
Using a 1/16” Hex Key loosen but do not remove the set screw (11) that secures the micrometer
adjustment (10) to the upper air body (2).
•
Using soft tip pliers grip the collar (E) or midsection (D) of the micrometer adjustment (10) and
turn counter-clockwise to loosen then unthread and remove from the upper air body (2) by hand.
•
Remove the 007 Buna O-ring (26) from the micrometer adjustment (10).
Replace components with spares provided in the spare parts kit.