Nexen STB600 927239 - Manual (Page 9)

FORM NO. L-20300-C-0511 9
TABLE 2
TABLE 3
B
C
A
B
C
A 26
3
1
32
19
7
13
14
12
FIGURE 9
31
PARTS REPLACEMENT (continued)
9. Remove the six Finger Nuts (Item 32) from the six
Facing Pins (Item 7) by gently holding the Facing Pin
with a pair of pliers: then, slide the Facing Pins and six
Compression Springs (Item 19) out of the Cylinder
(Item 1).
10. Replace the six old Compression Springs (Item 19)
with six new Compression Springs; then, slide the six
Facing Pins (Item 7) and new Compression Springs
back into the Cylinder (Item 1).
11. Apply a drop of Loctite ® 242 to the threads of the six
Facing Pins (Item 7); then, gently screw the six Finger
Nuts onto the six Facing Pins while holding the Facing
Pins with a pair of pliers, securing the six Facing Pins
and new Compression Springs (Item 19) into the
Cylinder (Item 1).
12. Install the six new Diaphragms (Items 12, 13, and 14)
into their respective locations in the Endcap (Item 3).
13. Match the Pistons (Items 8, 9, and 10) in the Cylinder
(Item 1) with the Diaphragms (Items 12, 13, and 14)
in the Endcap (Item 3).
14. Install new O-Rings (Item 31) onto the ends of the
Pistons (Items 8, 9, and 10).
15. Apply a drop of Loctite ® 242 to the threads of the six
Socket Head Cap Screws (Item 26) and secure the
Endcap (Item 3) to the Cylinder (Item 1).
16. Alternately and evenly tighten the six Socket Head Cap
Screws (Item 26) to the recommended torque (See
Table 3).
17. Remove the Retaining Ring (Item 21).
18. Press the Piston Guide (Item 11) and Ball Bearing (Item
22) off the Hub/Rotor (Item 5).
19. Press the old Ball Bearing (Item 22) out of the Piston
Guide (Item 11).
20. Clean the bearing bore of the Piston Guide (Item 11)
with fresh solvent, making sure all old Loctite ® residue
is removed.
21. Apply an adequate amount of Loctite ® 680 to evenly
coat the outer race of the new Ball Bearing (Item 22).
DIAPHRAGM
O.D.
ITEM 12 ITEM 13 ITEM 14
STB 600
1.25 In.
[31.75 mm]
1.50 in.
[38.10 mm]
1.75 in.
[44.45 mm]
STB 940
2.25 In.
[57.15 mm]
2.50 In.
[63.50 mm]
2.75 In.
[69.85 mm]
MODEL
RECOMMENDED TORQUE SOCKET
HEAD CAP SCREWS (ITEM 26)
STB 600 45 In. Lbs. [5.1 Nm]
STB 940 143 In. Lbs [16.2 Nm]
21
22
11
5
FIGURE 10
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.