Blastrac 200VMB, Руководство по эксплуатации

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6.4 Abrasive valve maintenance 50 hours
It is very important to keep the abrasive valve in good condition.
Inspect and clean it regularly. Replace the E10447 Valve seal
every +/- 50 hours.

Remove the abrasive valve by loosening 2x M10 nuts and
lift the valve out the machine.

Unscrew 4x M10 nuts (replace them if they are worn
out).

Replace the valve seal (every 50 hours).
Part number: E10447
– Valve seal.
 The notches of the cage must be in one line of the
notches in the cage ring.