Flowserve Dual Gas Barrier Seals - Manual (Page 8)

8
Precautions must be taken for parts of the mechanical seal that will be used as
support to step on during assembly operations. These parts must be protected
against slipping, stumbling or falling (for example by using a strut).
6.1 Tools needed:
6.1.1 Provided
• Krytox* lubricant for sleeve
O-rings
6.1.2 Not provided
• Open end wrench for gland
nuts
• Allen wrenches for setting
devices and set screws
• Allen wrenches for gland cap
screws if they are required in
place of gland nuts or bolts.
6.2 Lubricate the shaft or sleeve
lightly with Krytox lubricant pro-
vided. If bolts or cap screws are
required in place of the seal chamber studs, insert them through the gland bolt
holes before sliding the assembly onto the shaft. Slide the complete seal cart-
ridge onto the shaft, Figure 2, with the end with the setting devices toward the
bearing housing.
Note: Check for rotation direction requirements on the seal gland or assembly draw-
ing before continuing.
6.2.1 Optional: TARSEx Bushing
Installation
• Slide seal assembly against
the bearing frame.
• Clean lubrication off pump
shaft.
• Install the friction drive
TARSEx bushing with O-ring,
positioning them against the
retaining plate with the bush-
ing grooves oriented toward
the seal. See Figure .
*Krytox a Registered Trademark of E.I. DuPont
Install TARSEx Bushing (optional)
gland
O-ring bushing retaining plate
Figure 3
Install Seal Cartridge
Figure 2