Nordson 25B - Air Motor Disassembly; Separating the Air Motor and Hydraulic Section

© 2024 Nordson Corporation
1044131-06
6-6
25B Air Valve and Air Motor Repair
7. Lift the pump out of the bracket and move it to a clean work area.
8. Remove the two screws and rear cover from the air motor.
Separating the Air Motor and Hydraulic Section
1. See Figure C 1-4. Remove the four screws (27) and lock washers (28).
2. Pull the hydraulic section away from the air motor.
3. Use two wrenches to unscrew the connecting rod (22) from the plunger (A).
A
22
28
27
Figure 6-4 Separating the Air Motor and Hydraulic Section
22. Connecting rod 28. Lock Washers (4) A. Plunger
27. Screws (4)
Air Motor Disassembly
See Figure 6-5. Disassemble the air motor by removing parts in the following order:
1. Socket head screw (1), lockwasher (2), and spool (3) from spool rod (5).
2. Nuts (8) and lockwashers (9) from tie rods (16).
3. Air motor head (10) from cylinder (21).
4. Spool carrier guide (6), U-cup (7), and square O-ring (20) from air motor head.
5. Connecting tube (13) and O-rings (12) from upper base (26).
6. Cylinder from upper base.
7. Piston assembly (A) from upper base.
8. One tie rod (16) from the upper base.
9. Packing gland (24) and square O-ring (20) from upper base.
15