Annovi Reverberi RSV3G35D-F40 Petunjuk Pengoperasian dan Manual Suku Cadang - Halaman 10
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Halaman Cetak
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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