Emerson Neotecha Sapro Maintenance And Repair Instructions page 7

Neotecha Sapro Sampling DeviceS
Maintenance and RepaiR instRuctions
B) Seal assembly
Note
it is recommended that all soft seal components be
replaced at the same time.
• Referring to Tables 1 and 3, identify the repair kit,
spindle seal type and tool kit required for the subject
Sapro valve.
• Secure Sapro valve body upright in a vice. Take care
not to damage pFa sealing faces.
• Apply a little silicone oil to all the commencing
assembly.
• Refer to the assembly instructions below for
the relevant spindle seal type a or B (See Table 1).
1. Spindle seal assembly types A and B
1.1. introduce valve spindle (2) into the Sapro
body until it rests on the valve seat
1.2. position the spindle seal (6) over the
spindle and push down using the spindle
seal drive tool included in Tool kit Sv-W3.
gently tap the drive tool with a mallet until
the spindle seal locates at the bottom
of the cavity.
1.3. position the other spindle assembly
components, in order, on the spindle,
as indicated in Fig. 15 a and B, replacing
the parts contained in the appropriate
repair kit.
1.4. proceed with bonnet assembly as
described in the next section.
Figure 15
Sapro valve spindle seal types
10
11
11a
7a + b
11c
2
Type a
10b
10a
11
10
11b
7
7c
7d
6
6a
7a
7
7c
7d
6
6a
2
Type B
7