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Fig. 34 Replenishing lubricating oil
1
Plug
(gear-end oil filling port)
2
Plug
(drive-end oil filling port)
3
Gear-end oil sight glass
4
Drive-end oil sight glass
1. Slowly remove the plug
1
and/or
2
.
2. Top off until the level is at the marking on the sight glass
3
and/or
4
.
3. Screw in the plugs.
4. Visually check for leaks.
10.7 Changing the oil
The machine must be isolated from the compressed air network and completely vented be‐
fore undertaking any work on the pressure system.
The oil should be changed with the block temperature at 130°F to ensure the oil flows freely.
Drain the oil thoroughly from the blower block:
■ Gear-end
■ Drive-end
Material Lubricating oil
Oil receptacle
Precondition The power supply disconnecting device is switched off,
The device is locked off,
A check has been made that no voltage is present.
Danger of burns from hot components and oil!
➤ Wear long-sleeved clothing and protective gloves.
10 Maintenance
10.7 Changing the oil
Number: 9_9572 28 USE
Installation and Operating Manual Rotary lobe blower
HBPI pr
71