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Xylem JABSCO 50410 Serie Manual De Instalación Y Funcionamiento página 10

Bomba de refrigeración del motor autoaspirante

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  • ESPAÑOL, página 12
SE
FUNKTIONER
Pumpkropp:
Impeller:
Axel:
Axeltätning:
Portar:
Vikt:
VARIATIONER TILLGÄNGLIGA
MODELL NR.
50410-1201
(Ersätter 22110-0201 och 23800-0201)
50410-1251
(Ersätter 22110-0251 och 23800-0251)
50410-1301
(Ersätter 22110-0301 och 23800-0301)
50410-1351
(Ersätter 22110-0351 och 23800-0351)
50410-1401
(Ersätter 22400-0201)
ANSÖKAN
KYLNING AV MARINMOTORER
50410-1251 och 50410-1351 Passar:
305 och 350 C.I. Chevrolet Block
50400-1201 och 50410-1301 Passar:
454 C.I. Chevrolet Block
50410-1401 Passar:
8.1 Liter Chevrolet Block
INSTALLATION
This pump is designed to mount directly inside the crank-shaft
pulley on Chevrolet small block (305 & 350 C.I.) engines. The
maximum recommended pump speed (engine speed) is 5200
RPM. The maximum recommended discharge pressure should
not exceed 10 PSI (0.7 Bar). When the pump is installed so it
operates at or near maximum speed, the inlet plumbing must be
designed to minimize the vacuum at the pump inlet. A high speed
scoop over the inlet thru-hull fitting is recommended to reduce
inlet vacuum.
To install the pump on the crankshaft pulley, remove all belts that
run off the pulley. Remove the bolts that secure the pulley to the
vibration dampener.
Note that in addition to the three 3/8" (9.5mm) mounting bolt
holes there are two pair of larger 5/8" (16mm) locator holes in the
pump mounting flange. These locator holes are used to position
the pump on Chevrolet engines. Either one or the other pair of
locator holes aligns with the two raised positioning bosses in
the crankshaft pulley. Generally, the pair of holes located in a
Självupptagande kylningspump för motorer
Brons
Jabsco Neoprene Compound
316 rostfritt stål
Buna/Nitril Läpptätning eller
Mekanisk ansiktstätning
1-1/4" (31,75 mm) slangstång
5 lb (2,2 kg) Ca.
BESKRIVNING
Läppförsegling/Full Cam
Läppförsegling/Full Cam
Mekanisk tätning/Full Cam
Mekanisk tätning/Half Cam
Läppförsegling/Full Cam
counterclockwise direction (viewed from the end cover end of
pump) from the alternate pair of holes is used to position the
pump on the 305 and 350 cubic inch engines. Usually, the pair of
locator holes located clockwise of the alternates is used to position
the pump on the 454 cubic inch engine. However, there are occa-
sional exceptions to this general rule so always ensure the pump
mounting flange rests flat against the pulley prior to securing
it in place. If the mounting flange does not rest flat against the
pulley, reposition it aligning the alternate locator holes with the
positioning bosses.
Place the pump in the center of the crankshaft pulley with the
appropriate pair of locating holes aligned with the positioning
bosses in the pulley. Ensure the pulley is properly aligned with
the vibration dampener and secure both the pump and pulley to
the dampener with three 3/8-24 x 3/4" cap screws (socket type)
machine screws.
Replace all belts on the crankshaft pulley. Attach a torque arm/
bracket from the torque arm boss on the pump to a convenient
bolt on the engine. This torque arm must not impose a side force
on the pump assembly. This could shorten bearing life in high
RPM service. Attach and double clamp the intake and discharge
hoses (1-1/4" (32mm) ID) to the pump ports. Be sure the hoses do
not impose a side force on the pump assembly. This could shorten
pump bearing life in high RPM service. Hoses should be flexible
and supported by the engine (not the pump). Start the engine and
run at low speeds. Check the installation for leaks or vibration.
NOTICE: Failure to install the pump as instructed may result in
excessive vibration which can contribute to pump and/or engine
damage.
10
Modell 50410-serien

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