Samoa 531710 Operating manual

R. 07/21 853 806

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

Parts and technical service guide

Guía de servicio técnico y recambio

Guide d’instructions et pièces de rechange

Manual de Serviços Técnicos e Reposições.

Список деталей и руководство по техническому обслуживанию

Part No. / Cód. / Réf. / Cód. / Деталь №:

531710 531720 531730

531711 531721 531731

70:1 RATIO AIR OPERATED PM45 GREASE PUMP 2

BOMBA NEUMÁTICA DE GRASA PM45, RATIO 70:1 10

POMPE PNEUMATIQUE DE GRAISSE PM45, RATIO 70:1 18

PROPULSORA PNEUMÁTICA PARA GRAXA PM45, RATEIO 70:1 26

ПНЕВМАТИЧЕСКИЙ НАСОС ДЛЯ СМАЗКИ PM45, СООТНОШЕНИЕ 70: 1 34

2853 806 R. 07/21

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

WARNINGS

Compressed air operated piston-type reciprocating pump. This high

flow capacity pump is compatible with mineral and synthetic grease

and suitable for large installations with long lengths of piping

supplying several outlets simultaneously. This pump is mounted

directly on 50 kg and 185 kg drums. A shorter pump is also available

(531730, 531731) with a bundled male 3” camlock, suitable for

horizontal direct assembly to bulk containers.

WARNING: Read all instruction manuals, tags, and labels

before operating the equipment. This equipment is for

professional use only.

• The use of non compatible fluids may cause damage in the pump

and serious personal injury. This equipment is not intended for use

with fluids that fall within the Group 1 fluid as defined that are

explosive, extremely flammable, highly flammable, flammable, very

toxic, toxic, oxidizing or where the vapor pressure if greater than 0,5

bar (7 psi) above the pressure atmospheric at the maximum

allowable temperature.

• The pump generates high or very high pressures. Do not exceed the

maximum air inlet pressure of 7 bar (100 psi).

• A direct hit against the human body may result in an injury.

• This unit may have stored pressure, release all pressure and

disconnect from any fluid systems before servicing. To ensure safe

operation of this unit, all service work should be by qualified

personnel only.

• When not in use, be sure to shut off the air supply to avoid accidents.

• Do not alter or modify this equipment. Use only Samoa Industrial,

S.A. genuine components. Any unauthorized tampering with this

equipment, improper use, poor maintenance or removal of

identification labels may invalidate the guarantee.

• All fittings in the system connected to the outlet of the pump should

be suitable for the maximum possible pressure generated by the

pump/air motor. If the systems cannot be designed to take the

maximum pressure produced by the pump, safety valves or diverter

valves should be fitted.

Fig. 1

R. 07/21 853 806

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

It is recommended to install this pump on a drum using a reinforced

cover due to weight considerations, but it is possible to install it two

different ways:

• a. Mounting with reinforced cover (418026 for 185 kg drum and

418025 for 50 kg drum). Insert the pump through the cover and

fasten it with the enclosed screws. Insert the pump through the bung

opening and fasten the cover onto the drum firmly (see figure 2).

• b. Mounting with cover (418006 for 185 kg drum and 418016 for 50

kg drum) and bung adaptor 360001. Fasten the cover onto the drum

and screw the nut of the bung adaptor securely into the 2” bung

opening of the cover. Insert the pump through the nut and adjust it

with the star nut to the desired height (see figure 3).

INSTALLATION

Fig. 2 Fig. 3

418006

Fig. 4 is a typical installation shown with all the recommended

accessories for the pump to operate correctly.

NOTE: The compressed air supply must be set between 2 and 7 bar

(29 and 100 psi), being 6 bar (90 psi) the recommended pressure.

Fig. 4

FEMALE 3" CAMLOCK

MALE 3" CAMLOCK

• c. Horizontal mounting to a bulk container (531730, 531731 pumps).

These pumps have the male part of a 3” camlock which would connect

to the female part installed in the container (fig. 4).

TYPICAL INSTALLATION

An air closing valve must be installed, in order to be able to close the

compressed air line at the end of the day (If the air inlet not is closed

and there is a leakage in some point of the grease outlet circuit, the

pump will start automatically, emptying the container).

4853 806 R. 07/21

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

Fig. 5

TYPICAL INSTALLATION

OPERATION

Pos Description Part No.

AAir shut off valve 950319+239004

B Filter regulator 241001

C Air hose 362100

D Quick coupling 251412

E Connection nipple 255412

F Pump (185 kg drum) 531410

G Grease hose 412392

H Grease shut off valve 950304

I Cover 418026

J Follower plate 417004

KPressure Relief Valve

This pump is self–priming. To prime it the first time, it is convenient

to connect the air supply to the pump while keeping the outlet gun

opened, and increase the air pressure slowly from 0 to the desired

pressure by using a pressure regulator. Once grease starts flowing

through all the outlets, the pump is primed.

The pump starts to pump when an outlet valve is opened, for

example a grease control gun.

NOTE: It is important that the foot valve do not come in contact with

dirty areas, such as a workshop floor, because it may become

contaminated with dirt or other particles that can damage the seals.

R. 07/21 853 806

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

TROUBLESHOOTING

REPAIR AND CLEANING PROCEDURE

Symptoms Possible Reasons Solutions

The pump is not working or there is no

grease delivery.

No suitable air supply pressure. Increase the air supply pressure.

Some outlet circuit element is clogged or closed. Clean or open the outlet circuit.

There is an air pocket in the grease inlet area. Stir and repack the grease.

The pump begins to operate very fast. The drum is empty or the grease level is beneath

the suction tube inlet.

Replace the drum or insert the suction tube until

the inlet reaches the grease level.

The pump keeps on operating although

the grease outlet is closed.

There is a grease leakage at some point in the

circuit. Verify and tighten or repair.

Contamination in the upper valve. Disassemble and clean. Replace if damaged.

Contamination in the foot valve. Disassemble and clean. Replace if damaged.

Grease leakage through the air outlet

mufﬂer or the leakage warning hole on

the pump body (69).

Grease has passed over to the air motor caused

by scratched piston rod (49) or worn or damaged

seals (54, 57).

Verify the piston rod (49) and replace damaged

/ worn parts.

Air leakage through the air outlet

muffler (25).

Damaged or worn piston O ring (44). Replace O Ring (44).

The air seal (8) of the inverter assembly is

damaged or worn. Replace the air seal (8).

Damaged or worn spool seals. Replace the seals (18) and (20).

Grease output too low or diminishes

over time.

Contamination in the foot valve. Remove and clean. Replace if damaged.

Contamination in the upper valve. Remove and clean. Replace if damaged.

The exhaust muffler is clogged by compressed air

dirt or lubricant. Replace the muffler felt.

WARNING: Before starting any kind of maintenance or repair,

disconnect the compressed air supply and open the valve to

relieve the grease pressure.

SEPARATE THE AIR MOTOR FROM THE PUMP

1. Fix the pump in a vise in horizontal position (fig. 6). Gently blow

with a hammer the upper tube (73) close to the body (69) in order

to break the thread locker.

2. Unscrew the nut (94) and remove the primer (93).

3. Put a bar, rod or any kind of strong tube in the fluid outlet and use

it as a lever to unscrew the air motor.

4. Once unscrewed, pull the motor away untill the elastic pin (70) into

the rod (49) becomes visible. With a hammer and a suitable pin

punch, eject the pin (70). The motor becomes loose.

Fig. 6

6853 806 R. 07/21

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

REPAIR AND CLEANING PROCEDURE

CLEAN THE MUFFLER

AIR DISTRIBUTOR

1. Unscrew bolts (27).

2. Remove exhaust assembly (25).

3. Unscrew the bolts (24) and remove the cap (29).

4. Remove the felt (30).

5. Remove the felt (31) and deflector (28).

6. Remove the bottom felt (30) and replace it

with a new one.

7. Put back the deflector (28).

8. Insert the screws (27) and then a new felt (31).

If not in this order, it could be tricky

to insert the screws.

9. Put a new felt (30).

10. Put back the cap (29) and its screws (24).

11. Ensuring the screws (27) stay into the muffler (25), put said

muffler on the motor and fix it with said screws.

12. It is also available a whole muffler assembly kit (539005), with

replaces the old one just operating the screws (27).

1. Unscrew the bolts (24) and remove the cap (23).

2. Ensuring the screws (27) remain into the muffler (25), unscrew

them and take away the muffler. Take away the o-ring (16).

3. Strike gently with a plastic tool through exhaust seat to remove the

spool valve (19).

4. Replace the seals (18) and (20) with new ones or replace the whole

spool (19) with its seals factory installed (kit 539006). This is

strongly recommended in order to ensure the correct assembly of

the seals.

Fig. 7

Fig. 8

18 20

R. 07/21 853 806

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

REPAIR AND CLEANING PROCEDURE

AIR MOTOR SEALS

1. Unscrew the bolts (2) and remove the cap (3).

2. Unscrew the sensor sleeve (4).

3. With a manual clamp on the nut (5), pull the rod (40) outwards

until its central recess appears (fig. 9a). Then, with another

manual clamp, grab the rod (40) on said recess to prevent

sealing surface to be damaged, and unscrew the nut (5) (fig. 9b).

4. Remove o-ring (6) and ring (7), and replace them with new

ones later.

5. Unscrew the bolts (55). Pull the motor body (13) outwards to

free it along with bridle (36).

6. Take away the gasket (9) and replace its seals (8) and (10).

7. Unscrew the bolts (37) and split the motor (13) from the bridle

(36). Take away the washer (32) and replace the seal (8).

8. Take away the cylinder (50) while carefully holding the air

piston (45). Replace the piston seal (44).

9. Reassemble in reverse order, applying thread locker in screws

(37), nut (5) and sensor sleeve (4).

NOTE: all these seals are included in the available kit 539002.

Fig. 9a

Fig. 9b

Fig. 9

8853 806 R. 07/21

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

REPAIR AND CLEANING PROCEDURE

LOWER SEALS KIT

IMPORTANT:

SEALS ORIENTATION

AS SHOWN.

IMPORTANT:

SEALS ORIENTATION

AS SHOWN.

R. 07/21 853 806

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

REPAIR AND CLEANING PROCEDURE

PARTS LIST / TECHNICAL DATA / DIMENSIONS

SPARE PARTS SEE PAGES: 42, 49 and 50.

LOWER SEALS KIT CLEANING OR REPLACING THE LOWERS VALVES

1. Take away the air motor from the lowers, as described previously.

2. Unscrew the bolts (68) and remove the body (69).

3. Unscrew the scraper nut (51) and extract both the washer (53) and

the gasket (56). Replace seals (52), (54) x2, (55) and (57) by new

ones.

4. Take away the assembly consisting of parts (71), (75), (80) and (85)

from the lowers.

5. With the tube (73) secured on a vise, unscrew the tube (95).

6. Extract the parts 2 x (74), (91) and (92). Take away the circlip (87)

from the valve (91) and replace parts (88), (89) and (90) by new

ones.

7. Using the knurled surface, unscrew the part (81) and replace the

seals 2 x (82) and (83) by new ones.

8. Assemble again in reverse order, replacing all metallic seals (72) and

(74) by new ones.

9. All necessary seals are inlcuded in the available kit 534700.

1. Disassembling the lowers as described previously, the fluid valves

can be easily accessed.

2. Lower valve: parts from (86) to (92). kit 534701.

3. Upper valve: parts from (76) to (80). Kit 534402.

NOTE: to unscrew the upper valve (80), secure it in a vise and unscrew

the rod (75) by grabbing it in the pin (70) area in order to avoid

damaging the quality of the surface intended for sealing.

10 853 806 R. 07/21

SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com

2021_07_23-14:00

ES ADVERTENCIAS

Bomba de pistón alternativo accionada por aire comprimido.

Permite bombear grandes caudales de todo tipo de grasas minerales.

Aplicable en instalaciones con conducciones de gran longitud para

dar servicio simultáneamente a varias salidas de grasa. La bomba se

monta directamente sobre bidones de 50 kg y de 185 kg. También

existe una versión corta (531730, 531731) con camlock macho de

3” incorporado, adecuada para ser instalada horizontalmente

a un depósito.

¡ADVERTENCIA! Lea atentamente el manual de instrucciones

y sus advertencias antes de empezar a operar con el equipo.

Este equipo es únicamente para uso profesional.

• Los fluidos no adecuados para la bomba pueden causar daños a la

unidad de la bomba e implicar riesgos graves daños personales. Este

equipo no está destinado para el uso de fluidos que se encuentran en

el apartado 1 de la Directiva de Equipos a Presión. Estos son fluidos

explosivos, extremadamente inflamables, altamente inflamables,

inflamables, muy tóxicos, tóxicos u oxidantes. O aquellos fluidos cuya

presión de vapor sea superior a 0,5 bar (7 psi) sobre la presión

atmosférica a la máxima temperatura permitida.

• La bomba puede producir presiones elevadas o muy elevadas. Las altas

presiones pueden ocasionar lesiones muy graves en el cuerpo humano.

No exceder la presión máxima permitida de alimentación de aire de 7

bar (100 psi).

• Este equipo puede contener presión almacenada, elimine la presión y

desconecte la bomba del sistema de entrada y salida de fluidos en caso

de realizar cualquier mantenimiento. Para asegurar el correcto

funcionamiento de esta unidad, cualquier operación de mantenimiento

solo será llevada a cabo por personal cualificado.

• Para prevenir accidentes, cuando el equipo no esté en uso asegúrese la

desconexión de este de la línea de alimentación de aire.

• No altere la integridad del equipo. Use componentes originales de

Samoa Industrial, S.A. Cualquier modificación no autorizada del

equipo, uso indebido, mantenimiento incorrecto o la retirada de las

etiquetas identificativas puede ser causa de anulación de la garantía.

• Todos los accesorios que se encuentren en la línea de salida de fluido

deben de ser aptos para la máxima presión generada por la bomba. Si

el sistema no está diseñado para soportar la máxima presión ejercida

por la bomba, instale válvulas de seguridad o válvulas de derivación.

Fig. 1

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