Page 1
w w w . l a r i u s . c o m NOVA 68:1 Airless pneumatic pump for spray painting II 2 G Ex h IIB T6 Gb...
Page 2
This manual is to be considered as an English language translation of the original manual in Italian. The manufacturer shall bear no responsibility for any damages or inconveniences that may arise due to the incorrect translation of the instructions contained within the original manual in Italian. Due to a constant product improvement programme, the factory reserves the right to modify technical details mentioned in this manual without prior notice.
nova 68:1 NOVA 68:1 Airless pneumatic pump for spray painting INDEX WARNINGS ..................................2 WORKING PRINCIPLE ..............................3 TECHNICAL DATA ................................3 DESCRIPTION OF THE EQUIPMENT ..........................5 TRANSPORT AND UNPACKING ..........................6 CONDITIONS OF GUARANTEE ...........................6 SAFETY RULES ................................6 TYPICAL INSTALLATION ..............................7 SETTING-UP ................................8 WORKING ...................................8 CLEANING AT THE END OF THE WORK ........................9 ROUTINE MAINTENANCE ............................9...
nova 68:1 WARNINGS The table below provides the meaning of the symbols used in this manual in relation to using, earthing, operating, maintaining, and repairing of this equipment. • Read this operator’s manual carefully before using the equipment. • An improper use of this machine can cause injuries to people or things. •...
nova 68:1 WORKING PRINCIPLE NOVA pump 68:1 is a pneumatic pump to be used in the high is transmitted through a connecting rod to the material pum- pressure painting without air (Airless) or for transferring of fluids ping piston. in case of more stations of usage. So doing the pump sucks the fluid and pushes it to the outlet.
Page 6
nova 68:1 PUMP DELIVERY PUMP DELIVERY Black curve: Material outlet pressure The pump can work in continuity when the delivery is limited to Gery curve: Air consumption the white zone. Out of this zone the speed must be intermittent. www.larius.com ED.
nova 68:1 DESCRIPTION OF THE EQUIPMENT ANTIFREEZE SYSTEM POS. POS. Description Description Pump feed air inlet Fluid inlet Pneumatic motor Fluid pumping group Material outlet Eyebolt for pump transport www.larius.com ED. 10 - 10/2020 - Cod. 150167...
nova 68:1 SAFETY RULES TRANSPORT AND UNPACKING THE EMPLOYER SHALL TRAIN ITS EMPLOYEES • ABOUT ALL THOSE RISkS STEMMING FROM ACCI- • The packed parts should be handled as indicated in the DENTS, ABOUT THE USE OF SAFETY DEVICES FOR symbols and markings on the outside of the packing.
nova 68:1 • TIGHTEN AND CHECk ALL THE FITTINGS FOR CONNECTION BETWEEN PUMP, FLEXIBLE HOSE AND SPRAY GUN BEFORE USING THE EqUIPMENT. • ALWAYS USE THE FLEXIBLE HOSE SUPPLIED WITH TAkE PROPER SAFETY MEASURES FOR THE PROTECTION STANDARD kIT. THE USE OF ANY ACCESSORIES OR OF HEARING IN CASE OF WORk NEAR THE PLANT.
nova 68:1 SETTING-UP • Make the compressed air flow into the pump. It is advisable to adjust air pressure to minimum necessary for its continuous working. PUMP FASTENING ON THE HOIST For the correct fastening of the pump on the ram, follow the •...
nova 68:1 CLEANING AT THE END OF THE WORK • Now, stop the air supply to the pump and drain the residual By "cleaning at the end of the work" is meant the cleaning to carry out in case of use with a different product or if a long pressure.
nova 68:1 PROBLEMS AND SOLUTIONS Solution Problem Cause The pump does not start • Check the air supply. Widen the • • Feed air not sufficient; diameter of the feed hose; • Clean. Disconnect the outlet pro- • Outlet product line clogged; duct pipe.
nova 68:1 DISASSEMBLY OF THE PNEUMATIC MOTOR • Turn counterclockwise the screws (N8) [take care of the Always close the compressed air supply and washers (N9)] and extract the mount (N7) together with release the pressure in the plant before disas- the rollers (N10) and the pins (N11).
Page 14
nova 68:1 • Pull upwards the seat (N17) so as to take out the valves (N18) and the springs (N19) (clean and/or replace the worn parts). • Unscrew the lock nut (N20) [take care of the washer (N21)] by keeping the bush (N22) blocked using a key. •...
Page 15
nova 68:1 • Turn counterclockwise the trip rod bearing (N30) [take care of the washer (N31)] and check the seal inside the screw (N30) is undamaged. • Take out the screws (N32) [take care of the washers (N33)] and remove carefully the cylinder (N34) (do not bend it during extraction in order to avoid that motor piston may damage the internal surface of the cylinder).
Page 16
nova 68:1 • Check the gas ring inside the support (N39) is undamaged. • Check the gasket (N40) is undamaged and correctly po- sitioned. • Coat the inner walls of the cylinder (N41) with a thin layer of vaseline grease. •...
Page 17
nova 68:1 • Insert the springs (N54) and the valves (N55) into the seat (N53). Position the seat on the pump support and lay the manifold (N56) on the seat [do not forget the gasket (N57)]. • Fasten the manifold with screws (do not tighten) ensuring it is perfectly parallel to the other manifold and the distance between them is 46 mm (see illustration).
nova 68:1 DISASSEMBLY OF THE PUMPING GROUP • Unscrew the coupling sleeve so as to disconnect the Always close the compressed air supply and pumping group from the motor. release the pressure in the plant before disas- sembling the pumping group. If the product •...
Page 19
nova 68:1 • Unscrew the suction valve. Clean and/or replace its parts, It is possible to increase the suction valve ball if necessary. stroke placing the stop ball pin (O6) on the upper holes of the suction valve. This modification is suggested in case of very viscous products.
nova 68:1 EXPLODED VIEW FOR STAINLESS STEEL PUMPING GROUP WARNING: always indicate code and quantity for each part required. www.larius.com ED. 10 - 10/2020 - Cod. 150167...
Page 21
nova 68:1 Pos. Code Description Pos. Code Description 95003 Bush 98211 Sleeve 95015 Split pin 33025 Bush 95004 Sleeve 98202 Piston rod 95005 O-ring 98205 Stop ball pin 95006 Tie rod 98219 Elastic ring 95007 98053 Ball Ø7/8" 95502 Cup complete with packing 98228 Packing nut 95008/1...
nova 68:1 EXPLODED VIEW FOR MOTOR GROUP WARNING: always indicate code and quantity for each part required. www.larius.com ED. 10 - 10/2020 - Cod. 150167...
nova 68:1 EXPLODED VIEW FOR HIGH PRESSURE FILTER WARNING: always indicate code and quantity for each part required. www.larius.com ED. 10 - 10/2020 - Cod. 150167...
Page 25
nova 68:1 Version INOX Nova 68:1 Pos. Code Description Pos. Code Description 98300 Stainless steel complete line filter 98307 Intermediate fitting 98301 Filter base 95208 Ring nut 95202 O-ring 95209 O-ring 98303 Sieve fitting 98090 Filter container 98304 Hex socket set screw 6149 Fitting 3/8"...
Page 30
nova 68:1 EXTENTION Code 153: cm 30 Code 154: cm 40 Code 155: cm 60 Code 156: cm 100 Code 95055: SUCTION SYSTEM Code 95200: LINE FILTER Code 98055: SUCTION SYSTEM inox Code 98300: LINE FILTER inox ANTISTATIC HOSE 3/16" - M16x1,5 HIGH PRESSURE HOSE 3/8"...
nova 68:1 DESCRIPTION FOR EXPLOSIVE AREAS These safety instructions refer to the installation, use and NOVA series LARIUS pneumatic piston pumps are maintenance procedures for NOVA series LARIUS pneumatic group II mechanical devices for use in the presence piston pumps for decanting. These pumps are designed for use of gas in zones classified as IIB (category 2 G).
Page 33
nova 68:1 SAFETY INSTRUCTIOINS FOR ONSTALLATIONS IN HAZ- SAMPLE DECLARATION OF CONFORMITY ARDOUS AREAS Before proceeding with the installation carefully Larius S.r.l. read the use and service manual. All the service Via Stoppani, 21 operations must be carried out as stated in the 23801 Calolziocorte (LC) manual.
nova 68:1 CE DECLARATION OF CONFORMITY Company LARIUS srl Via Antonio Stoppani 21 - 23801 Calolziocorte (LC) ITALY Tel: +39 0341 621152 Fax: +39 0341 621243 E-mail: larius@larius.com Declares under his owns resonsibility that the product: NOVA 68:1 Airless pneumatic pump for spray painting complies with the directives: - EC Directive 2006/42 Machinery Directive furthermore to the...
Need help?
Do you have a question about the LARIUS NOVA 68:1 and is the answer not in the manual?
Questions and answers