Piston Wrench Tools - Teledyne D series Installation And Operation Manual

D Series Syringe Pumps
Section 9 Pump Maintenance, Troubleshooting, and Servicing
Reinstalling the wiper
9-16
3. With the exception of the 500D, which has wrench flats,
use a spanner wrench with an
the proper tool from the Isco wrench package in the round
hole on the side of the piston.
Teledyne Isco has piston wrench tools, which are also
included in the wrench packages for each model of pump.
Refer to Table 9-3 on the following page.
Table 9-3 Piston Wrench Tools
Pump Model Part Number
65D, 65DM Piston wrench tool 69-1243-905
Wrench package 60-1247-130
30D Refer to the 30D Seal Replace-
ment Instruction included in the
seal replacement kit
Wrench package 60-1249-132
100DM, 100DX Piston wrench tool 69-1243-888
Wrench package 60-1247-067
260D Piston wrench tool 69-1243-889
Wrench package 60-1247-067
500D Piston wrench tool 69-1243-890
Wrench package 60-1247-068
500HPx
1000D Piston wrench tool 69-1243-788
Wrench package 60-1247-093
4. Use the tool to twist the piston loose, then unscrew it by
hand.
5. Remove the retaining ring (500D only) and wiper retainer,
then lift off the wiper seal. Being careful not to scratch any
sealing surfaces, gently break free any solids from the seal
and piston. Rinse all the solids away with distilled water.
1. Install the piston seal onto the retainer with the spring ori-
ented towards the retainer.
2. Install the wiper seal onto the piston base with the spring
facing down.
Note
In the Model 1000D pump, and the 500D with wash gland
option, the wiper seal is installed with the spring facing up.
3. Place the piston base onto the push tube.
4. Install the piston seal retainer onto the piston base.
5. Replace the cylinder over the piston and push tube assem-
bly and screw it into the cylinder mounting block. The cyl-
inder should be screwed into the cylinder mounting block
until the cylinder bottoms firmly against the stop ring in
1
/ " pin of appropriate size or
8