Fig. 35 Changing the oil
A
Gear-end
B
Drive-end
1
Cap
2
Cap
3
Oil drain tap
4
Oil drain tap
Drain the oil
1. Have an oil receptacle ready.
2. Open the oil filler plugs at the oil inlet of the blower block
1
and
2
(Fig. 34).
3. Take off the caps
1
and
2
and open the oil drain taps
3
and
4
.
4. Drain the lubricating oil.
Dispose of the old oil in accordance with local environmental protection regulations.
Filling with fresh oil
1. Fill with fresh oil.
2. Allow the oil drain taps to remain open until fresh oil begins to run out (bleeding the oil drain
lines).
3. Close the oil drain taps
3
and
4
.
4. Check the oil level in both sight glasses (Fig. 34) and top off as necessary.
5. Screw on the caps
1
and
2
.
6. Replace and tighten the plugs of the oil inlets at the blower block.
7. Visually check for leaks.
10.8 Air filter maintenance
The air filter protects the supplied pressure system from dirt entering.
Machine damage caused by unsuitable air filter!
The use of an unsuitable air filter can permit dirt to enter the pressure system and cause
damage to the machine.
➤ Use a suitable air filter.
10 Maintenance
10.8 Air filter maintenance
72
Installation and Operating Manual Rotary lobe blower
HBPI pr
Number: 9_9572 28 USE