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水ポンプ Annovi Reverberi RSV3G35D-F40のPDF 取扱説明書および部品取扱説明書をオンラインで閲覧またはダウンロードできます。Annovi Reverberi RSV3G35D-F40 16 ページ。 Plunger pumps
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Operating Instructions and Parts Manual
Plunger Pumps
Troubleshooting
Symptom
Oil leak between
crankcase and pump-
ing section
Frequent or prema-
ture failure of the
packing
Pump runs but pro-
duces no flow
Pump fails to prime
Pump looses prime,
chattering noise,
pressure fluctuates
Low pressure at
nozzle
Pressure gauge fluc-
tuates
Low pressure
Possible Cause(s)
Worn rod oil seals
1 Cracked, damaged or worn
plunger
2 Overpressure to inlet
manifold
3 Material in the fluid being
pumped
4 Excessive pressure and/or
temperature of fluid being
pumped
5 Running pump dry
Pump is not primed
Air is trapped inside pump
1 Air leak in suction hose or
inlet
2 Clogged suction strainer
1 Unloader valve is by-pass-
ing
2 Incorrect or worn nozzle
3 Worn packing or valves
1 Valves worn or blocked by
foreign bodies
2 Packing worn
1 Worn nozzle
2 Belt slippage
RSV Series Pumps
Corrective Action
Replace crankcase piston rod
seals
1 Replace plungers
2 Reduce inlet pressure
3 Install proper filtration on pump
inlet plumbing
4 Check pressures and fluid inlet
temperature; be sure they are
within specified range
5 Do not run pump without water
Flood suction then restart pump
Disconnect discharge hose from
pump. Flood suction hose,
restart pump and run pump until
all air has been evacuated
1 Remove suction line and inspect
it for a loose liner or debris
lodged in hose. Avoid all unnec-
essary bends. Do not kink hose
2 Clean strainer
1 Make sure unloader is adjusted
property and by-pass seat is not
leaking
2 Make sure nozzle is matched
to the flow and pressure of the
pump. If the nozzle is worn,
replace
3 Replace packing or valves
1 Clean or replace valves
2 Replace packing
1 Replace with nozzle of proper
size
2 Tighten or replace with correct
belt
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