ARIMITSU 5 Series Informatie over installatie en opstarten
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PLUNGER PUMP SERVICE MANUAL
Optimum performance of the pump is dependant upon the entire liquid system and will be obtained
only with the proper selection, installation of plumbing for the pump and accessories.
SPECIFICATIONS: Maximum specifications refer to individual attributes and
may have qualifications. It is not implied that any maximums can be
performed concurrently. If more then one maximum is considered, check
with your Arimitsu Pumps supplier of Arimitsu of N.A. to confirm the proper
performance, environment, system design and pump selection. Refer to the
respective Product Data Sheet (PDS) for complete specification, parts lists,
performance charts and exploded view.
LUBRICATION: Fill crankcase with Arimitsu pump oil (p/n 30103) to required
level. DO NOT RUN PUMP WITHOUT OIL IN CRANKCASE. Change oil
according to the following schedule; after the first 30 hours, then every
500 hours or once per year which ever comes first. Additional lubrication
may be required with increased hours of operation, temperature, and
various environments.
PUMP ROTATION: Pump was designed for forward rotation, unless
otherwise noted by a directional arrow. If rotating counter to arrow,
additional oil should be added to aid lubrication. Fill to slightly above the
upper line on dipstick to assure adequate lubrication.
PULLEY SELECTION: Select size of motor pulley required to deliver the
desired flow. Be careful to choose a pulley with the proper horsepower
capacity. Horsepower requirement can be found on PDS for each respective
model. Use formula found on formulas page as a guide to pulley selection.
Note: Use the same pitch size pulleys for both pump and motor.
DRIVE SELECTION: The motor or engine driving the pump must be of
sufficient horsepower to maintain full RPM when the pump is at the desired
load. Select the electric motor from the Horsepower chart according to
required pump discharge flow, maximum pressure at the pump and drive
losses of approximately 5%. Consult the manufacturer of gas or diesel
engine for selection of the proper engine size. Use formula found on
formulas page as a guide for HP calculation.
The quotient will indicate the minimum HP size of motor to select. Please
choose a HP size larger when possible to allow for system inefficiencies such
as line loss and plumbing irregularities.
MOUNTING:
Choose a level horizontal surface that will allow access for maintenance and
visual inspection. The surface must be able to withstand vibration and be
strong enough to support the pump.
Use flexible hose for inlet and discharge connections on the pump to
minimize possible system stresses. Never connect rigid pipe to the inlet of
discharge of the pump.
Make sure the pump crankshaft and motor crankshaft are parallel and
mounted pulleys are in the straight line. Misalignment will lead to a loss of
performance and premature belt failure, in addition to damaging the pump
and/or motor.
• Choose a properly-rated belt for the HP of the system. Tighten to the
specifications recommended by the belt manufacturer. Do not over
tighten. Hand rotate pump pulley prior to starting to verify shaft and
bearings are free moving.
• Protect pump from humidity, dirt, heat, water spray and chemical
exposure.
Arimitsu of North America, Inc.
700 McKinley St. NW
Anoka, MN 55303
ph: 763.433.0303 • fax: 763.433.0404
arimitsupumps.com
INSTALLATION AND START-UP INFORMATION
PLUMBING:
INLET: When done correctly, inlet plumbing will positively benefit the
system. If you have any questions, please contact Arimitsu Pumps.
• DO NOT STARVE PUMP OR RUN DRY
• As a minimum requirement, use a hose one size larger than the inlet
port size.
• The pump will work best with a pressurized inlet that does not exceed
the maximum recommended on the specification sheet.
• Every pump is designed for suction lift (vacuum) inlet conditions,
however optimum performance is obtained with a pressurized inlet.
In cases such as hot or thick liquids, or high speed a positive inlet is
recommended.
• Several long-term failures result from improperly plumbed inlet
systems such as, valve breakage, manifold washout, seal failure,
noise, vibration, and plunger pitting.
• Pumps are not designed to run dry.
• Temperatures above 120°F are permissible. Add 1 PSI inlet pressure
per each degree F over 120°F. Elastomer or RPM changes may be
required in addition to pressure adjustment.
DISCHARGE: The fluid must have a place to go. All pumps MUST have
hydraulic flow control devices.
• Install a properly sized and functioning flow control device such as
an unloader valve or pressure regulator that will allow pumped fluid
to be diverted in case nozzles become plugged or trigger is
disengaged.
• Do not use metering valves or ball valves as primary flow control devices.
• DO NOT use a regulating device with selectable pressure greater than
pump rating.
• Open all valves prior to starting system to avoid deadhead
overpressure condition and severe damage to the pump or system.
• Install a pulsation dampener, pulse hose or accumulator, on the
discharge head or in the discharge line as close to the head as
possible. Be certain the pulsation dampener is properly sized for the
system pressure and flow.
• A reliable pressure gauge should be installed near the discharge outlet
of the high-pressure manifold. This is extremely important for
adjusting pressure regulating devices and also for proper sizing of the
nozzle or restricting orifice. The pump is rated for a maximum
pressure; this is the pressure at the discharge manifold of the pump,
not anywhere else in the pressure line.
• Use PTFE thread tape or pipe thread sealant to connect accessories
or plumbing.
MAINTENANCE:
Check: Inspect all system accessories and connections prior to start-up.
• Oil quality and level. Add oil if it is low and change if the oil looks old
or milky. (Arimitsu Oil p/n 30103)
• For leaks from manifold and crankcase. Change seals as necessary or
according to scheduled service intervals.
• Clean inlet filter or strainer as needed.
• Verify nozzles are not worn or damages. Nozzles create the pressure,
so a worn nozzle will result in lower performance. Worn or damaged
hoses must be replaced before use.
• Verify unloaders/regulators are adjustable and appear in good condition.
• Inspect hoses and connections for damage.
• Inspect belts for signs of wear or damage.
• Inspect trigger guns and other control valves.
Visit arimitsupumps.com for distributor information
5 Series