Drain the Oil
 | |
| Illustration 1 | g00666131 |
(1) Electrical Inlet Connector (2) Voltage Indicator (3) Lifting Handle (4) Vacuum Intake Port (5) Gas Ballast Control (6) Oil Filler Plug (7) Exhaust Port (8) Oil Level Sight Glass (9) Oil Drain Valve (10) Rubber Feet (11) Mode Selector (12) Power Switch (13) Fan Cover (14) Direction of Rotation (15) Drain Valve Assembly | |
- If the system has been shutdown and the pump is cool, run the pump for approximately ten minutes prior to changing the oil. This will decrease viscosity of the oil and the oil will drain easier.
| NOTICE |
|---|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
 |
Risk of electric shock or energy hazard. Parts inside this UPS are energized by the flywheel even when the AC power is disconnected. |
 |
- Place the system in the Bypass Mode.
- Shut down the vacuum pump by moving switch (12) to the OFF position.
- Drain the oil from the system into a suitable container for storage or disposal.
Note: A tube that has a 9.4 mm (0.37 inch) inner diameter may be used in order to direct the flow of the oil.
|
The drain oil is hot and can cause burns. Operating temperature of the oil is typically 60 °C (140 °F) or higher. Avoid skin contact with the oil. |
|
- Open gas ballast (5). Turn dial (5) to the II position.
- Remove one of the oil filler plugs (6) .
- Open oil drain valve (9) until the oil drains freely.
- Drain the old oil.
Note: Allow sufficient time for the oil and any possible contamination to drain completely.
Add New Oil
190-8487 Vacuum Pump Oil is available from your Caterpillar Dealer.
- Close oil drain valve (9) .
- Slowly add the new oil through oil filler hole (6). Add oil until the oil is at the level/fill line on sight glass (8) .
- Replace oil filler plug (6) .
- Run the pump for approximately ten minutes. This will circulate the new oil.
- Close gas ballast (5). Turn dial (5) to the O position.
- Return the keyswitch to the Online position.