TECHCON TS5540-MS User Manual page 12

TS5540-MS Micro Spray Valve
User Guide
11. Reinstall Needle (tip) adapter (9), Air Cap (11) and Locking Nut (8)
into Fluid Housing (7).
12. To reinstall Compression Spring (1) by first placing one Mylar
Washer over the Needle/Piston Assembly (17), then the other
Mylar Washer into the Stroke Control Adjustment Knob (18) and
followed by the Compression Spring.
13. Reinstall the Stroke Control Adjustment Knob (19) by rotating it
clockwise until it stops and then counterclockwise to the desired
setting BUT NOT beyond the "Line Marker" on the knob shaft.
1 2
19 18
7.2 Needle/Piston Assembly and Seal Replacement (See Figure 4.0)
1. Follow Step# 1-7 in previous section (Section 7.1).
2. Replace O-ring (6) if damaged.
3. Using a soft rod (such as a wooden dowel) to remove Cup Seal
(14) from Fluid Housing (7)
4. Use the snap-ring pliers to remove the large Retaining Ring (3)
3 4 5
17 16 15
Figure 4.0
6 7
14 13
12
8 9 10
20
12 11