Nexen 8K 845200 - Manual (Page 9)

6 FORM NO. L-20013-K-0210
PARTS REPLACEMENT continued
18
5
15
11
10 9
7 8
FIGURE 5
DIAPHRAGM AND PUSH PLATE SPRING
REFER TO FIGURE 5.
1. Remove the Socket Head Cap Screws (Item 18)
securing the Top Housing (Item 15) to the Bottom
Housing (Item 5).
2. Remove the Bottom Housing (Item 5); then, remove
the Jam Nut (Item 11), Washer (Item 10), Diaphragm
(Item 9), Push Plate (Item 7), and Push Plate Spring
(Item 8).
NOTE
Inspect the Push Plate Spring (Item 8) for signs
of fatigue or cracking. If the Push Plate Spring
shows signs of fatigue or cracking it must be
replaced.
3. Reinstall the Push Plate Spring (Item 8).
4. Reinstall the Push Plate (Item 7) and Diaphragm
(Item 9).
5. Reinstall the Washer (Item 10) and Hex. Head
Jam Nut (Item 11); then, seal the Hex. Head Jam
Nut (Item 11) to the Push Rod (Item 6, using an
anaerobic single-compound adhesive.
6. Using the Socket head Cap Screws (Item 18),
secure the Bottom Housing (Item 5) to the Top
Housing (Item 15); then, tighten them to 75 in-lbs
[8.5 Nm] torque.