1000 series » How to clean the integral closed breather system

Caution: Do not use excessive force to remove the hose (A4) from the breather outlet pipe.

Note: The procedure below refers only to the closed breather shown in (A).

Caution: Ensure that the lever does not damage the cover.

Release the fasteners and carefully remove the breather cover from the breather body. A suitable lever may be necessary to release the cover from the body of the breather. Ensure that the lever does not damage the cover. Discard the joint (A5).

Caution: Do not clean the breather valve or the gauze filter. The breather valve (A1) and the gauze (A3) must be renewed every 4000 hours.

Release the clips (A2) from the clip retainers (A7) and push the breather valve out of the breather cover.Discard the breather valve.
Remove and discard the gauze.

Warning! Do not allow compressed air to contact your skin. If compressed air enters your skin, obtain medical help immediately.

Wash the body of the breather, the cover, the baffle plates (A6) and the breather pipe, every 2000 hours of operation. Use an approved kerosene cleaning fluid and dry them with compressed air at low pressure.
Ensure that the holes at the bottom of the baffle plates in the breather body are not restricted. If necessary, clean the holes.

To assemble

Fit the baffle plates into the grooves in the breather body.
Renew and fit the gauze filter into the breather body.
Renew and fit the new valve into the breather cover. Ensure that the clips are engaged correctly.

Note: The breather valve is renewed every 4000 hours.

Renew the joint, which is fitted dry. Put the cover and valve assembly into position on the breather body. Loosely fit the fasteners. Tighten the fasteners gradually and evenly to 3 Nm (2.2 lbf ft) 0.3 kgf m.

Caution: Do not use excessive force to fit the hose to the breather outlet pipe.

Check that there is no restriction in the breather pipe or the breather hose. Fit the breather hose to the cover and tighten the clip.