JA Purity IV JA Purity IV
JA Purity IV JA Purity IV
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  5. F469/4R MAC Service Guide 1965
  6. The Air Cleaner

Maintenance.

After every 5,000 miles running (approximately) the air cleaner should be removed for cleaning and re-oiling. It should not be dismantled, as if it is taken apart and the wire element is unwound out of position it may not be possible to replace this satisfactorily, so as to get an even flow of air through it all round.

Removal of Air-cleaner.

Take off the battery, the flexible connecting sleeve between the carburetter and air cleaner, detach the petrol pipes, and remove the carburetter.

Remove the nut from the bolt holding the top lugs of the air-cleaner and oil tank to the frame, and push the bolt through to free the cleaner lug.

Working from the right hand side of the machine, remove the ¼-in. B.S.F. bolt that holds the bottom lug of the cleaner to the rear engine plate.

Pull the cleaner away forward and towards the left ,springing the battery strap far enough to allow it to clear.

The entire filter should be washed in clean petrol until all accumulated dirt has been removed and should afterwards be dried thoroughly inside and out. Before refitting immerse the filter in clean engine oil (SAE50) and after draining off surplus oil and wiping clean externally refit it to the machine. No other attention is needed.

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  • Velocette Documents
    • GTP Manuals
      • F40/5R GTP Instruction Book 1951
    • KSS, KTS Manuals
      • F236/4R Mk. II OHC Instruction Book 1950
      • F42/3R OHC Models 1925-1931 Instruction Book
    • MAC Manuals
      • F469/4R MAC Service Guide 1965
      • F466/2R MAC Owner's Handbook 1955
      • F50/7R MAC Rigid Frame Service Manual 1955
      • F50/4R Supplement
    • MOV and MAC
      • F131-3R Instruction Book 1937
    • MSS Manuals
      • F477 Owners Handbook 1954
    • Venom, Viper, MSS
      • F485/1R Owner's Handbook 1956
      • F484/9R Service Guide 1967
      • F484/11R Service Guide 1971
    • Valiant Manuals
      • F62-1R Service Manual