
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Using the tip of a 3/32" Hex key, loosen the packing nut (4).
•
Using the same 3/32" Hex key, evenly remove the two machine screws (17) that thread into the
fluid body standoffs (7).
Note: During removal that there is a spring (11) forcing the air section away from the fluid section.
•
Pull the air section (red anodized portion) away from the fluid section (stainless steel portion).
•
Clean off the tip of the stainless steel needle (1).
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From the fluid section of the valve, unthread and remove the packing nut (4), followed by the
packing (5) and o-ring (24).
•
Unthread and remove the nozzle lock nut (3) from the outlet check valve housing (8) then remove
the dispense nozzle (15) from the lock nut.
•
Using an adjustable wrench, unthread and remove the outlet check valve housing (8) from the
fluid section (7).
•
Use pliers pull the seat (9) 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 (6) 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 (19) from the fluid section (7).
•
Submerge the inlet and outlet check valve housings (6, 8) in solvent.
•
Clean all other wetted parts thoroughly with an appropriate solvent.
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On the air section, use a standard 3/32" Hex Key to evenly remove the final two machine screws
(16) that thread into the end cap (20).
Note: During removal that the spring (11) will force the air section apart.
•
Separate the upper air body (2) from the lower air body (21) to remove the spring (11) then slide
the end cap (20) off of the needle (1).
•
Holding the lower air body (21) in one hand, grab the needle (1) then push the needle and piston
(22) assembly out of the lower air body.
•
Remove the 004 Buna O-ring (23) from the lower air body (21).
•
Hold the piston (22) with an adjustable wrench then use a 5/64" Hex key to unthread and remove
the set screw (18) 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 (12) 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.