Repair
6-7
Part 104373
−
03
E
2015 Nordson Corporation
3. Install new O-rings (6) and backup rings (5) on a new seat. Lubricate
the O-rings with O-ring grease.
4. Place new balls in the hydraulic housings.
5. Press new seats into the hydraulic housing, with the internal threads
toward the outside, opposite the ball.
NOTE:
If necessary, tap the seats in place with a rubber mallet.
6. Replace the O-rings (3) in the groove in the bottom of the hydraulic
housings.
7. Install the siphon manifold on the hydraulic housings with the screws,
lock washers, and flat washers removed in step 1.
8
2
11
10
9
4
5
6
5
7
3
1
Figure 6-6
Siphon Ball Check Rebuild
1. Hydraulic housings
2. Seats
3. O-rings
4. Siphon housing
5. Back-up rings
6. O-rings
7. Balls
8. Seat removal tool (
7
/
8
-14 x 2.25 in.
screw)
9. Flat washers
10. Lock washers
11. Screws
High-Pressure Ball Check Valve Rebuild
Rebuild both high-pressure ball check valves at the same time.
1. See Figure 6-2. Remove the hydraulic housings from the solvent
chamber.
2. See Figure 6-6. Remove the siphon manifold from the hydraulic
housings.
