Repair
7-10
E1999 Nordson Corporation
All rights reserved
104 330H
Issued 8/99
Manual 1-8
13.Install the upper head (8) over the tie rod (26) ends and spool
carrier(5). Make sure the upper head (8) is oriented properly in
relation to the base (16) so that the upper end of connecting tube fits
into the bore in upper head. Make sure the upper edge of the air
motor cylinder (20) fits properly into the groove in the upper head (8).
14.Install the lockwashers (24) and hex nuts (25) onto the tie rods (26)
Tighten securely. Do not over-tighten or the square-cut O-rings (18)
in the base and the upper head (8) may be damaged.
15.Install the U-cup (7) over the spool carrier (5) and into the center hole
in the upper head. See Figure 7-3 for proper orientation of the
U-cup(7). Install the spool carrier guide (6) over the spool carrier (5)
and thread into the upper head (8). Tighten the spool carrier
guidesecurely.
16.Lubricate and install the O-ring (4) onto the spool carrier (5). Place
the spool (3) onto the spool carrier (5). Use the socket head
screw(1) and lockwasher (2) to secure the spool (3). Place a wrench
on spool carrier flats and hold while tightening screw (1).
Final Assembly
Follow these steps if the repairs to the pump are complete at this time.
1.Install the back panel on the air motor and reconnect the hydraulic
plunger and connecting rod.
2.Install the solvent chamber to the motor base and secure with bolts
and lockwashers.
3.Install the air intake assembly (fittings, gauge, regulator) on the air
motor.
4.Install the air valve assembly, making sure the pin on the snapper will
be contacted by the spool during operation.
5.Install the cover, fill the solvent chamber with fluid and reconnect the
air supply.
6.Test pump operation.
Air Motor Assembly
(contd)
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