Performance Series 560e
13
GB
Repairs at the unit
11
10
12
13
9
8
11.3 Packings
1. Remove inlet valve housing in accordance with the steps in
Chapter 11.2, Page 12.
2. It is not necessary to remove the outlet valve.
3. Unscrew both cylinder head screws (Fig. 13, Item 1) from
the pump manifold (2) with a 3/8 inch hexagon socket head
wrench.
4. Slide the pump manifold (2) and piston (3) forward until the
piston is out of the T-slot (9) on the slider assembly (4).
5. Push piston (3) downward out of the pump manifold (2).
6. Unscrew retainer nut (5) from the pump manifold (2) and
remove piston guide (6).
7. Remove upper packing (7) and lower packing (8) from the
pump manifold (2).
4
5
7
8
6
2
1
3
9
8. Clean pump manifold (2).
9. Lubricate upper packing (7) and lower packing (8) with
machine grease.
10. Insert upper packing (Fig. 14) with O-ring (1) and protruding
lip (2) downward.
1
2
11. Insert lower packing (Fig. 15) with the beveled edge (1) facing
upward.
1
12. Insert piston guide (Fig. 13, Item 6) into the retainer nut (5).
Screw retainer nut (5) into the pump manifold (2) and tighten
by hand.
13. Push installation tool (included with the replacement
packings) for the piston (3) from above onto the piston.
14. Lubricate installation tool and piston (3) with machine grease.
15. Guide piston (3) through the lower packings (8) into the pump
manifold (2) from below. Using a rubber mallet, lightly tap the
piston (3) from below until it can be seen above the pump
manifold.
16. Remove installation tool from piston (3).
17. Carefully tighten retainer nut (5) with adjusting wrench.
18. Slide the top of the piston (3) into the T-slot (9) on the slider
assembly (4).
19. Position the pump manifold (2) underneath the gear unit
housing and push up until it rests against the gear unit
housing.
20. Attach pump manifold (2) to the gear unit housing.
21. Screw pump manifold (2) tightly to gear unit housing.
22. Lubricate O-ring (Fig. 11, Item 6) between pump manifold (2)
and inlet valve housing with machine grease. Screw inlet valve
housing to the pump manifold.
23. Insert the elbow on the siphon assembly into the bottom of
the pusher stem housing. Push the retaining clip up into the
groove inside the foot valve housing to secure the siphon
assembly in position. Place the return tube over the return
tube fitting and secure with the clip.
24. Install front cover.
Uncontrolled Copy
