Graco XP70s-hf 577222 Инструкция по эксплуатации онлайн [54/86] 683552

Graco XP70s-hf 577222 Инструкция по эксплуатации онлайн [54/86] 683552
Troubleshooting
54 3A6283H
Fluid ratio will be wrong.
Purge all air from system before proportioning fluids.
No pressure on hardener side;
fluid leaking from hardener pump
outlet rupture disk fitting.
Overpressure rupture disk blown. Determine cause of
overpressurization and correct.
Replace rupture disk assembly
258962 (see page 15) and over
pressure relief valve (302).
Pressure and flow surges on
upstroke.
Feed pressure too high. Every 1 psi of
feed pressure adds 2 psi during
upstroke.
Reduce feed pressure. See Repair,
page 56.
Fluid outlet pressure gauges split
only at the top changeover (if one
gauge drops the other will rise).
Not fully loading one side on upstroke. Increase feed pressure on side that
dropped.
Increase feed hose size.
Clean inlet strainer or hopper screen.
Air mixed in fluid from excessive
agitation or circulation.
Flush and add new fluid.
Problem Cause Solution

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