D Series Syringe Pumps
Section 9 Pump Maintenance, Troubleshooting, and Servicing
9-13
2. To lubricate the ball nut, run the pump until the ball nut
reaches its maximum height.
3. Apply two beads of lubricant, on opposite sides of the ball
screw, down its entire length.
The precision thrust bearing at the base of the ball screw (refer
to Figure 9-8) is factory lubricated and should not need
re-greasing.
9.9 Seal Cleaning and
Replacement
Before cleaning or replacing the piston or wiper seals, the cyl-
inder must first be emptied.
Note
30D has its own set of seal replacement instructions which are
included in the seal replacement kit. The following instructions
do not apply to the 30D. The 30D uses a special tool, including
in the kit, that is necessary for the seal replacement.
CAUTION
Handle with care. Never let surfaces of seals, piston, or cylin-
der come into contact with abrasives or fingernails.
Tools required:
•
1
/4" and
1
/8" Allen wrenches
• #2 Phillips screwdriver
• Wrench set from maintenance kit
• Never-Seez lubricant from accessory package
1. Run the pump until empty.
2. Disconnect the power cord and pressure transducer cables,
and plumbing connections from the pump.
Wrap the transducer cable around the cylinder cap.
3. Using a
1
8 Allen wrench, loosen the lock screw located on
the front of the cylinder mounting block about two turns.
4. Unscrew the cylinder using either a strap wrench or the
clamp and wrench in the Teledyne Isco wrench package
(60-1247-130 for 65D and 65DM, 60-1247-067 for 100DM,
100DX, and 260D; 68-1247-068 for 500D; 60-1247-145 for
500HPx; 60-1247-093 for 1000D), which will not mar the
cylinder’s outer surface.
CFa 0.000mL/MIN 0PSI 0
CYLINDER EMPTY
204.000mL/MIN
FLOWRATE
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