• Re move the wing nut (1) from the air cleaner cover (2), and re -
move the cover.
• Re move the wing nut from the air fil ter (3), and re move the fil -
ter.
• Re move the foamfilter (5) from the pa per fil ter (4).
• In spect both air fil ter el e ments, and re place themif they are
dam aged. Clean the air fil ter el e ments if they are to be re used:
• Pa per air fil ter el e ment:
- Blow dry com pressed air (max. 2 bar / 29.007 psi) through
the fil ter car tridge (4) from the in side out.
• Foam air fil ter el e ment:
- Clean in warm soapy wa ter, rinse, and al low to dry thor -
oughly. Or clean in non-flam ma ble sol vent and al low to dry.
- Dip the fil ter el e ment (5) in clean en gine oil, then squeeze
out all ex cess oil. The en gine will smoke when started if
toomuch oil is left in the foam.
• Wipe dirt from the in side of the air cleaner case and cover us -
ing a moist rag. Be care ful to pre vent dirt fromentering the air
duct that leads to the car bu re tor.
• Place the foam air fil ter el e ment (5) over the pa per el e ment
(4).
• Re in stall the as sem bled air fil ter. Be sure the gas ket is in
place be neath the air fil ter.
74020000-2 HbmG gnu thci dreV nna mmA 7102/90
6. Main ten an ce en gi ne
55
Risk of in jury.
When work ing with com pressed air, for eign bod -
ies can go into the eyes.
• Wear safety spec ta cles
• Never point the jet of com pressed air at a per son
or one self.