This manual describes the use and maintenance instructions of the SM pump, and should be carefully read and
understood before using the pump.
Correct use and adequate maintenance will guarantee the pumps trouble-free operation for a long time. General Pump
declines any responsibility for damage caused by misuse or the non-observance of the instructions indicated in this
manual.
Upon receiving the pump, check that it is complete and in perfect condition. Should anything be found out of order, please
contact us before installing and starting the pump.
2. SYMBOL DESCRIPTIONS
Warning
Potential Danger
Read carefully and understand
the manual before operating
the pump
Danger
High Voltage
Danger
Wear protective mask
Danger
Wear goggles
Danger
Wear protective gloves
Danger
Wear protective boots
Ref 300893 Rev.A
06-12
Page 3
GENERAL PUMP
A member of the Interpump Group
SM SERIES
3. SAFETY
3.1 General Safety Indications
Improper use of pumps and high pressure systems, and/or failure to observe the installation and maintenance
instructions may cause serious injury to people and/or damage to property. Anyone assembling or using high pressure
systems must possess the necessary competence to do so, should be aware of the characteristics of the components
assembled/used, and must take all precautions necessary to ensure maximum safety in any operating condition. In the
interest of safety, both for the Installer and the Operator, no reasonably applicable precaution should be omitted.
3.2 High pressure unit safety requirements
1. The pressure line must always be equipped with a safety valve.
2. High pressure system components, in particular for those units working outside, must be adequately
protected against rain, frost and heat.
3. The electrical control system must be adequately protected from water spray, and must comply with the
specific regulations in force.
4. High pressure hoses must be properly sized for maximum operating pressure of the system and always and only
used within the operating pressure range specified by the hose manufacturer. The same rules should be observed
for all other auxiliary systems affected by high pressure.
5. The ends of high pressure hoses must be sheathed and secured to a solid structure to prevent dangerous
whiplash in case of bursting or broken connections.
6. Appropriate safety guards must be provided for the pump transmission systems (couplings, pulleys and belts,
auxiliary drives).
3.3 Safety During Operation
The working area of a high pressure system must be clearly marked. Access must be prohibited to un-authorized
personnel and, wherever possible, the area should restricted or fenced. The personnel authorized to access this area
should first be trained, and informed about the risks that may arise from failures or malfunctions of the high pressure unit.
Before starting the unit, the operator must verify that:
1. The high pressure system is properly fed by a minimum pressure of 75-100 PSI (5-7 Bar), metered in the head
flange.
2. The pump intake filters are perfectly clean; we recommend the use of a device that indicates the filters clogging level.
3. Electrical parts are adequately protected and in perfect condition.
4. The high pressure hoses do not show evident signs of abrasion, and that fittings are in perfect shape.
Any fault or reasonable doubt that may arise before or during operation should be promptly reported and verified by
competent personnel. In these cases, pressure should immediately be released and the high pressure system
stopped.
3.4 General Procedures For Using Lances/Nozzles
1. The Operator must always place his own and other worker’s safety before any other interest; his and should always
be governed by good sense and responsibility.
2. The Operator must always wear a helmet with a protective visor, waterproof clothing, and appropriate boots capable
of guaranteeing grip on wet pavement.
Ref 300893 Rev.A
06-12
Page 4
GENERAL PUMP
Note: appropriate clothing will effectively protect against water spray, but it may not offer adequate protection against the
direct impact of water jets or sprays from a close distance. Some circumstances may require further protection.
3. It is generally best to organize personnel into teams of at least two people capable of giving mutual and immediate
assistance in case of necessity and of taking turns during long and demanding operation.
4. Access to the work area that is within the water jets’ range must be absolutely prohibited to and free from objects
that, inadvertently under a pressure jet, can be damaged and or create dangerous situations.
5. The water jet must only and always be directed in the direction of the work area, including during testing or
preliminary tests or checks..
6. The Operator must always pay attention to the trajectory of the debris removed by the water jet. If necessary,
suitable guards must be provided by the Operator to protect anything that may be accentally exposed.
7. The Operator should not be distracted for any reason during operation. Workers needing to access the operating
area must wait for the Operator to stop work, and then immediately make their presence known.
8. For safety reasons, it is important that each member of the team is fully aware of the intentions and actions of
other team members in order to avoid dangerous misunderstandings.
9. The high pressure system must not be started up and run under pressure without all team members in position
and without the Operator having already directed his/her lance toward the work area.
3.5 Safety During System Maintenance
1.The pressure system maintenance must be carried out in the time intervals set by the manufacturer who is
responsible for the whole group according to law.
2.Maintenance should always be carried out by trained and authorized personnel.
3.Assembly and disassembly of the pump and its various components must be performed exclusively by authorized
personnel, using appropriate equipment in order to avoid damage to components and connections.
4.Always use original spare parts to ensure total reliability and safety.
A member of the Interpump Group
SM SERIES
4. PUMP IDENTIFICATION
Each pump has a specific label which contains:
Pump model and version
Serial Number
Maximum RPM
Power - Hp-kW
Pressure - PSI
Flow Rate - GPM
Pump model, version and serial number must always
be specified when ordering spare parts.
Ref 300893 Rev.A
06-12
Page 5
GENERAL PUMP
5. TECHNICAL FEATURES
A member of the Interpump Group
SM SERIES
MODELRPM
15006.92621750150010174
SM14
SM16
SM18
18006.92621750150010174
22006.92618850130010174
15009.03417400120010678
18009.03417400120010678
22009.03417400120010678
150011.4431305090010174
180011.4431305090010174
220011.4431305090010174
FLOW RATEPRESSUREPOWER
GPMl/minPSIBarHpkW
SM20
SM22
SM24
150014.0531087575010376
180014.0531087575010376
220014.0531087575010376
150016.964870060010073.5
180016.964870060010073.5
220017.265870060010174
150020.17672505009973
180020.17672505009973
220020.377725050010073.5
Ref 300893 Rev.A
06-12
Page 6
GENERAL PUMP
A member of the Interpump Group
6. DIMENSIONS AND WEIGHT
For dimensions and weight, please refer to fig. 2.
SM SERIES
Weight: 573 Lbs./260 Kg.
fig. 2
7. INFORMATION ABOUT PUMP USE
The SM pump was designed to operate with filtered water (see paragraph 9.7) and at
maximum temperature of 104oF (40oC).
Other fluids may be used only upon the approval of The Customer Service Department .
7.1 WaterTemperature
The max water temperature is 85oF (30oC).
7.2 Max Flow Rate and Pressure Values
The performance values indicated in the catalog refer to the maximum performance of the pump. Regardless of the power
used, pressure and maximum RPM values indicated on the plate may not be exceeded unless expressly authorized by the
Customer Service Department.
7.3 Lowest RPM
Any RPM value different from what is indicated in the performance table (see chapter 5) must be explicitly authorized by
the Customer Service Department.
Ref 300893 Rev.A
06-12
Page 7
GENERAL PUMP
7.4
Recommended Lubricant Oil Types & Manufacturers
The pump is delivered with lubricant oil compliant with room temperatures ranging between 32oand 89.6oF (0oand
30oC ). Some recommended lubricant types are indicated in the table below; these lubricants are treated with additives
in order to increase corrosion protection and resistance to fatigue. As an alternative, Automotive SAE 85W-90 gearing
lubricants may also be used.
A member of the Interpump Group
BRANDTYPE
GENERAL PUMPSERIES 220
ARALAral Degol BG220
BPENERGOL HLP 220
CASTROL
ELF
ESSONUTO 220
FINACirkan 220
FUCHSRENOLIN 220
MOBILDTE OIL BB
SHELLTELLUS C 220
TEXACORANDO HD 220
TOTALCORTIS 220
Hyspin VG 220, Magna
POLYTELIS 220
SM SERIES
220
Check the oil level with the oil level lights located on the sides (1, fig. 3). If necessary, top off via the
oil plug (3, fig. 3).
To correctly check the oil level the pump must be at ambient temperature. To change the oil the pump
must be at operating temperature, and is done by removing the plug (2, fig. 3).
Checking and changing the oil must be done as shown in Chapter 11. The quantity necessary is 304
oz. (9 liters).
Ref 300792 Rev.C
06-12
Page 8
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