|
|
CLEAN PLENUM CHAMBER VENTILATION 7 . Any remaining consolidated matter can be PASSAGEWAY dislodged using a piece of soft bent wire or a pipe cleaner. Finally the passageway must The cleaning of the plenum chamber ventilation again be blown out to remove any remaining passageway can be carried out without removing the debris. plenum chamber from the ram housing. 8. Remove the small 'T' piece between the crankcase ventilation hoses and check that it CAUTION: Care must be taken to prevent debris is free from blockages, clean as necessary from the passageway passing beyond the throttle 9. Refit the ‘T’ piece and hoses, tighten the hose valve disc. clamps securely. WARNING: Safety glasses must be worn when CLEAN POSITIVE CRANKCASE VENTILATION performing this operation. Ensure that debris is not blown into the atmosphere which could be 1. Release the hose clamp and pull the hose off the canister. 1. Disconnect the battery negative terminal. 2. Unscrew the canister and remove if from the 2. Release the hose clamp and remove the hose rocker cover. from the plenum chamber inlet neck. 3. Remove the large 'O' ring from the threaded 3. Remove the crankcase ventilation hose from end of the canister. the side of the plenum chamber. 4. Visually inspect the condition of the wire 4. Insert a piece of lint free cloth down the screen within the canister, if in poor condition throttle valve bore to prevent debris passing fit a new assembly, if in an acceptable beyond the throttle valve. 5. Place a cloth over the tube protruding from the side of the plenum from which the ventilation hose was removed to prevent BREATHER FILTER condition clean the screen as follows: 5. Immerse the canister in a small amount of solvent and allow time tor the solvent 10 dissolve and loosen any engine fume debris within the canister. 6. Remove canister from solvent bath and allow to dry out in still air. WARNING: Do not use a compressed air line to remove any remaining solvent or particles of Refitting the breather/filter 6. Use a compressed air line with a slim bent nozzle to enable the passageway to be within the throttle valve bore. 7 8. Screw the canister into the rocker cover hand 9. Refit hose and tighten hose clamp securely Fit a new rubber '0' ring. tight only. I 18 RE-ISSUED: FEB 1993 MAINTENANCE |