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Ed. 003 - 02/2013

REPLACE PRODUCT GASKET

ATTENTION

:

 for further details, please refer to the drawing on page 16

To replace the product gasket, proceed as follows:

•   Unscrew the head (

P4

) .

•   Holding down the trigger (

P5

) with your hand, unscrew the 

coupling group (

P6

) with the provided wrench (

P7

). 

•   Use the provided wrench (

P11

) to unscrew the nut (

P9

) and 

the pivot (

P10

) and disassemble the trigger (

P8

). 

•   Hold the nut (

P12

) with pointed pliers. (

P13

). Unscrew the 

needle (

P14

) and remove the bushing (

P15

).

•   during this operation, check the neddle  (

P14

) and the nee-

dle tip  (

P16

) whose surface shall not be damaged or worn. 

Replace it, if necessary.

Pay attention to the direction of the bushing (P15) 
in order to grant its correct positioning. 

www.larius.com

L400 SPRAYING GUN

18

P4

P5

P7

P6

P8

P8

P9

P10

P11

P13

P14

P12

P12

P15

P14

P16

Summary of Contents for L400 Series

Page 1: ...Mist less manual spraying gun P A I N T S P R A Y I N G E Q U I P M E N T www larius com OPERATING AND MAINTENNANCE INSTRUCTIONS ENGLISH Ed 004 01 2014 L400 ...

Page 2: ... to achieve the primary objective of creating value Larius S r l is the only leading Italian company in the international market The brand is distributed worldwide through an extensive network of distri butors and resellers and is a guarantee of Total Product Quality in the industrial plastics construc tion wood and road marking sectors INVEST IN LARIUS INVEST IN PRODUCTIVITY Once again a step ahe...

Page 3: ...rmance during the painting of metal and wood All parts in contact with the product are made of stainless steel in order to grant high resistan ce and long life over time Components are easy to assemble and disassemble during maintenance operations All guns offer the possibility to open or close the product recirculation choose between two products inlets Mist less Mist clean The two systems are fu...

Page 4: ...with side inlets for Mist less tip Code 21340 Mist less automatic gun L200 with side inlets complete with Mist Clean 2 base for Super Fast Clean or Top spraying Clean tip Code 21342 Mist less automatic gun L201 with rear inlets for Mist less tip Code 21341 Mist less automatic gun L201 with rear inlets complete with Mist Clean 2 base for Super Fast Clean or Top spraying Clean tip Code 21343 www lar...

Page 5: ... Clean base Code K11421 Automatic gun MA98L low pressure Code 11300 Airless spraying LA95 Automatic high pressure Code 11700 Gun RAC2 Automatic low pressure Code 14100 Airless spraying gun L91X complete with Super fast Clean base Code 11130 Airless spraying gun AT300 complete with Super fast Clean base Code 11000 www larius com ...

Page 6: ...NG UP p 14 OPERATION p 15 MIST LESS GUN L400 MIST LESS GUN L400 A B C D E F G H M I N L P Q R S T U V O Due to a constant product improvement programme the factory reserves the right to modify technical details mentioned in this manual without prior notice This manual is to be considered as an English language translation of the original manual in Italian The manufacturer shall bear no responsibil...

Page 7: ...hnical Details for the equipment given in the Manual Check the equipment for worn parts once a day If any worn parts are found replace them using ONLY original spare parts Keep children and animals away from work area Comply with all safety standards It indicates an accident risk or serious damage to equipment if this warning is not followed It indicates important recommendations about disposal an...

Page 8: ... LESSsprayguns allows 15 35 product saving Overspray reduced to the minimum High quality finishing The MIST LESS sprayguns are equipped with a self cleaning nozzle with the following advantages Reduced maintenance Long working life The nozzle does not have to be removed for cleaning but simply turned 180 based on the same principle as Fast Clean TECHNICAL DATA B Available on request PARTSOFTHESPRA...

Page 9: ...achine the use of accessories tools expendable materials other than those recommended by the manufacturer can be a danger of accident The manufacturer will be relieved from tort and criminal liability KEEPYOURWORK PLACE CLEAN ANDTIDY DISORDER WHERE YOU ARE WORKING CREATES A POTENTIAL RISK OF ACCIDENTS ALWAYSKEEPPROPERBALANCEAVOIDINGUNUSUAL STANCE BEFORE USING THE TOOL ENSURE THERE ARE NOT DAMAGED ...

Page 10: ...THE EQUIPMENT E POS 1 2 3 4 Head Locking ring nut Safety lever Gun body Description 5 6 7 8 Gun air adjusting screw Air inlet fitting Trigger Material inlet fitting Description POS www larius com L400 SPRAYING GUN 10 6 8 1 2 3 4 7 ...

Page 11: ... dangerous chemical reactions with risk of corrosion and explosion IFTHEPRODUCTTOBEUSEDISTOXIC AVOIDIN HALATIONANDCONTACTBYUSINGPROTECTION GLOVES GOGGLESANDPROPERFACESHIELDS TAKE PROPER SAFETY MEASURES FOR THE PROTECTION OF HEARING IN CASE OF WORK NEAR THE PLANT WHENEVERYOU STOP DISPENSING EVEN FOR A MO MENT ALWAYS SET THE GUN TRIGGER LOCK FULLY RELEASE THE TRIGGER AND ROTATE THE TRIGGER LOCK FORW...

Page 12: ...ly release the gun trigger and set the gun trigger lock by rotating the trigger lock forward MEDICAL ALERT FLUID INJECTION WOUNDS If any fluid appears to penetrate your skin get EMERGENCY MEDICAL CARE AT ONCE DO NOTTREAT AS A SIMPLE CUT Tell the doctor exactly what fluid was injected Injection into the skin is a traumatic injury It is important to treat the injury surgically as soon as possible Do...

Page 13: ...re hose or mend it with tape or any other device A repaired hose cannot contain the high pressure fluid Handle and route hoses carefully Tighten all fluid connections securely before each use High pressure fluid can dislodge a loose coupling or allow high pressure fluid to be emitted from the coupling Never use a damaged hose If any of these conditions exist replace the hose immediately Do not pul...

Page 14: ...p and all other equipment used or located in the dispensing area Check your local electrical code for detailed grounding instructions for your area and type of equipment and be sure to ground all of the following equipment Pump ground the pump by connecting a grounding wire from the pump s grounding lug to a true earth ground Air compressor or hydraulic power supply ground according to local code ...

Page 15: ...and squeeze the trigger in all the way Fluid flow begings with the slightest pressure and stops when trigger is released OPERATION Toreducetheriskofseriousinjury includingfluid injectionorsplashingintheeyesoronskin always follow the PRESSURE DISCHARGING PROCE DURE whenever the dispensing equipment is shut off when checking or servicing any part of system when installing or changing nozzles and whe...

Page 16: ...be adjusted according to need by setting the pump operating pressure and the atomization pressure until reaching the required operating conditions For proper spraying of the product the air and paint coming out of the gun must leave a spraying trace without tails At this point the product will flow until reaching the gun and you can start working TRIGGER LOCK DISENGAGED To disengage the trigger lo...

Page 17: ...il the problem is corrected When removing the gun from the hose be sure to hold the inlet fitting securely to avoid loosening from the gun body replace product filter ATTENTION forfurtherdetails pleaserefertothedrawingonpage22 To replace the product filter proceed as follows Use the provided wrench P1 Loose and remove the fitting P2 Remove the product filter P3 and replace it with a new one NOTE s...

Page 18: ...ench P11 to unscrew the nut P9 and the pivot P10 and disassemble the trigger P8 Hold the nut P12 with pointed pliers P13 Unscrew the needle P14 and remove the bushing P15 During this operation check the neddle P14 and the nee dle tip P16 whose surface shall not be damaged or worn Replace it if necessary Pay attention to the direction of the bushing P15 in order to grant its correct positioning www...

Page 19: ...e direction of the gasket P21 which should be placed with the sealing lip facing inward see picture below Position the product gaskets group P22 inside the gun making sure to lubricate the threads with grease Placetheneedle P23 insidethegun makingsuretolubricate the surface with grease Fasten the needle P25 by using pointed pliers P26 P21 P20 www larius com L400 SPRAYING GUN 19 P18 P19 P17 P22 P23...

Page 20: ...le Atthispointtheprocedureforthegasketreplacementiscompleted REPLACETHE COUPLING GROUP ATTENTION forfurtherdetails pleaserefertothedrawingonpage22 To replace the coupling group proceed as follows Remove the ring nut P35 Hold the trigger P36 with your hand unscrew the coupling group P37 witht he provided wrench P38 and replace with a new spare part P39 www larius com L400 SPRAYING GUN 20 P26 P25 P2...

Page 21: ...nch P41 to remove the rear cap P42 and the spring P43 and P44 Duringthisoperation makesurethattheneedle is not damaged or worn P40 If necessry replace it as described in the previous paragraph Replace product gasket Use the provided wrench P48 to unscrew the nut P46 and the pivot P47 and disassemble the trigger P45 Remove the air valve P49 by using poined pointed pliers P50 Remove the ring nut P51...

Page 22: ...aced as shown in the picture Duringassembling payattentiontothedirectionof the gasket P57 which should be placed as shown in the picture above Place the gaskets ring P61 inside the air valve P62 2 Place the air control needle P63 inside the air valve P64 and assemble the whole group insde the gun body P65 Before inserting the air valve lubricate the valve surfacewithgrease P64 asshownintheprevious...

Page 23: ...P73 Hold the trigger and reassemble the coupling P78 and the ring nut P77 At this point the procedure for the air valve gasket replacement is completed REPLACE THE BUSHING GASKET FOR AIR ADJUSTMENT NEEDLE ATTENTION forfurtherdetails pleaserefertothedrawingonpage22 To replace the air valve gasket porceed as follows Unscrewthehexnutoftheairregulator P79 withtheprovided wrench Removecompletelytheairr...

Page 24: ...acement is completed Reassemblethegunfollowingthepreviousprocedure in reverse order replacethe product house gasket ATTENTION forfurtherdetails pleaserefertothedrawingonpage22 To replace the product house gasket porceed as follows Remove the screw P88 of the house supporting bracket by using the suitable wrench P89 Remove the revolving fitting P90 Use a suitable wrench P93 to loose the hex nut P92...

Page 25: ...ithout overtightening Fastenwithyourhandthescrew P99 andtherevolvingfitting P100 without overtightening Securely fasten with the provided hex wrench P101 Securely fasten the screw P102 and the revolving fitting P103 At this point the procedure for the product house gasket replace ment is completed www larius com L400 SPRAYING GUN 25 P96 P94 P95 P97 P98 P98 P100 P99 P99 P100 P101 P103 P102 ...

Page 26: ...35 36 37 38 30 Base for Fast Clean nozzle SFC gaskets Super Fast Clean coupling 1 2 3 21900 SFC 21910 Pos Cod Description to order only the nozzle seal use the part number 21854 Mist less nozzles codes are listed in chapter T code 21832 spring 0 100 bar code 21833 spring 0 250 bar code 21834 spring 0 150 bar 2 2 2 3 2 1 Version with Super Fast Clean Standard version www larius com L400 SPRAYING GU...

Page 27: ... 9c 9d 15a 15b 8a 8b 2a 2b 2c POS 5 CODE 21895 GASKET GROUP POS PART NO DESCRIPTION 5a 21874 SEAT GASKET 5b 21862 O RING 5c 5d 11955 4077 GASKET O RING 5a 5b 5c 5d to order only the nozzle seal use the part number 21854 Mist less nozzles codes are listed in chapter T code 21832 spring 0 100 bar code 21833 spring 0 250 bar code 21834 spring 0 150 bar Ed 003 02 2013 Pos Ring nut Air cap Nozzle Coupl...

Page 28: ... 11 40 11 60 Nozzle code Size 21961 21962 21963 21964 21965 21966 21967 21968 21969 21970 13 20 13 40 13 60 13 80 15 25 15 40 15 60 15 80 17 25 17 40 Nozzle code Size 21971 21972 21973 21974 21975 21976 21977 21978 21979 17 65 21 25 21 40 21 60 25 25 25 40 25 65 31 40 31 65 Base for Fast Clean nozzle SFC Gaskets Super fast Clean coupling 1 2 3 21900 SFC 21910 Pos Code Descritpion Complete SFC nozz...

Page 29: ...l house Copper gasket Spring Fitting Copper gasket 1 2 3 4 5 6 Code Description 7 8 9 10 11 Pos Code Description Revolving fiting Long filter 30 mesh green Long filter 60 mesh white Long filter 100 mesh yellow Long filter 200 mesh red 21836 1 21867 33010 11017 21868 7021 11155 21911 21912 21913 21914 1 8 2 4 5 6 7 3 8 9 10 11 www larius com L400 SPRAYING GUN 29 ...

Page 30: ...ets Nozzle dirty or clogged Gasket loosened or worn Nozzle worn Insufficient fluid feed Air in the paint feed line Nozzle worn Nozzle partially clogged Nozzle worn or partially clogged Nozzle clogged Filter clogged or worn Replace with a smaller one If possible dilute the product Replacewithafilterwithlargermesh Replace the O ring Replace the gaskets Change to a more suitable product Check and rep...

Page 31: ...gunL400 forMist lessnozzle Mist lessmanualgunL400 completewithSuperFastCleanor TopSprayingCleannozzle Mist lessmanualgunL400 forMist lessnozzlewithlongfilter Mist lessmanualgunL400 completewithSuperFastCleanor TopSprayingCleannozzlewithlongfilter www larius com L400 SPRAYING GUN 31 ...

Page 32: ...l 39 0341 621256 Fax 39 0341 621234 P A I N T S P R A Y I N G E Q U I P M E N T MANUFACTURER 23801 CALOLZIOCORTE LECCO ITALY Via Antonio Stoppani 21 Tel 39 0341 62 11 52 Fax 39 0341 62 12 43 E mail larius larius com Internet http www larius com ...

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