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8. MAINTENANCE AND CLEANING:
Tool required: 7/64" hex wrench; 7/16" open-end wrench; Snap ring pliers, O-ring tool.
Normally, purging the valve with appropriate flush material or solvent after use is sufficient for
cleaning. However some material may cause a buildup in the valve chamber, in this case periodic and
thorough cleaning will be required.
NOTE:
• To replace seals, please order seal kit part number: 5440-SEALKIT
• To repair valve, please order valve kit part number: 5440-VALVEKIT
CAUTION: Make sure the fluid pressure is released before disassemble the valve.
Refer to figure 5.0
1) Release fluid pressure.
2) Disconnect fluid line.
3) Disconnect valve air hose.
4) Unscrew retaining cap (1) and remove the dispense needle.
5) Remove the three mounting screw (17).
6) Pull the fluid housing (4) away from the air cylinder (11).
7) Remove the luer adapter assembly (2) from the fluid housing (4).
8) Clean and inspect the needle assembly (8), luer adapter assembly (2) for wear and
damage. Replace parts as necessary.
9) Replace O-ring (7) if necessary. Make sure to lubricate new O-ring with approved
lubricant.
10) Reinstall the luer adapter assembly (2) to the fluid housing (4).
11) Align the fluid housing (4) to the air cylinder (11) and reinstall the three mounting
screws. (Alternately tighten the screws a little at a time until they are secure.
12
13
11
10
9
8
TS5440
XXXX
14
7
6
5
4
15
16
Figure 5.0
8
3
2
1
17
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