Graco 17C487 Projection Television User Manual


 
Repair
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4. Tap piston rod out of cylinder with a
hammer or flip over and tap piston rod
out against a bench.
5. Unscrew piston valve from piston rod.
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Do not clean or wipe the piston valve
threads. Cleaning the piston valve
threads could destroy the special sealing
patch and cause the piston valve to come
loose during operation, causing a pump
burst and possible serious bodily injury.
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