Troubleshooting
46 3A0420ZAF
Fluid leak in packing nut. Loose packing nut or worn throat
packings.
Tighten the packing nut and replace
the throat packings; see your
Xtreme lowers manual.
Fluid leak under packing nut Packing cartridge o-ring. Replace the cartridge o-ring; see
your Xtreme lowers manual.
Relief valve (FM) leaks back to
supply, opens too soon, or will not
close.
Relief valve is dirty or damaged. Replace the over pressure relief
valve (302)
No pressure on hardener side; fluid
leaking from hardener pump outlet
rupture disc fitting.
Overpressure rupture disk blown. Determine the cause of
over-pressurization and correct.
Replace the rupture disk assembly
258962 (see page 81) and the
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 the feed pressure. See
Technical Specifications, page 91.
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 the feed pressure on the
side that dropped.
Increase the feed hose size.
Clean the 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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