19
2006SSD-75 R4 (10/10)
18
2006SSD-75 R4 (10/10)
Dual-Compressor Module
Maintenance
Oil level
sight tube
4.3 Checking the Oil Level
The proper oil level varies according to the Compressor Module’s operating speed. To check the oil level
on the first-stage oil separator level gauge, use the following guidelines based on operating speed.
NOTE
The oil level indicated on the first-stage oil separator sight tube varies with inlet and discharge
pressures as well as operating speed. Check the oil level when the compressor is running.
4.3.1 Oil Level Guidelines - Minimum Speed
When operating the Compressor Module at minimum speed—2400 rpm, 40 Hz—
check the oil level in the oil level sight tube, shown at right, then refer to the
following suggested maintenance actions.
If the oil level is:
Take this action:
• 1"– 3" from the
bottom
of the oil level gauge
No action is required.
• Lower than 1” from the bottom
Add factory-supplied PAO oil to this
level (see
4.5.1 - Topping Off the Oil
Level
on page
20
).
• Higher than 3” from the bottom
Remove excess oil
(see
4.5.2 - Changing the Oil
on
page
21
).
4.3.2 Oil Level Guidelines - Maximum Speed
When operating the Compressor Module at maximum speed—4800 rpm, 80 Hz—
check the oil level in the oil level sight tube, shown at right, then refer to the
following suggested maintenance actions.
If the oil level is:
Take this action:
• 1"– 3" from the
top
of the oil
level gauge
No action is required.
• Lower than 3” from the top
Add factory-supplied PAO oil to this
level (see
4.5.1 - Topping Off the Oil
Level
on page
20
).
• Higher than 1" from the top
Remove excess oil
(see
4.5.2 - Changing the Oil
on
page
21
).
4.4 Oil Capacity and Type
The factory oil charge of the SZO Compressor Module is 380 fluid ounces (11.25 liters).
Use the special Poly-Alpha-Olefin (PAO) blend available from the Packager. Refer to
Appendix A -
Material Data Safety Sheet
on page
30
for details.
CAUTION
The Compressor Module
REQUIRES
a special PAO blend available from your Packager.
Do NOT substitute other types of oil. Using other types of oil will damage the equipment and void
the warranty.
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