Samoa LA4861 Manual

Airless line marker with piston pump

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Airless line marker with piston pump

Excalibur

LA4861

LA4860

liner

EXCALIBUR LINER with 23lt tank

EXCALIBUR LINER with 50lt tank

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Summary of Contents for Samoa LA4861

Page 1 Airless line marker with piston pump Excalibur liner https://www.larius.com/wp-content/uploads/EXCALIBUR_LINER_I.pdf https://www.larius.com/wp-content/uploads/EXCALIBUR_LINER_GB.pdf https://www.larius.com/wp-content/uploads/EXCALIBUR_LINER_D.pdf https://www.larius.com/wp-content/uploads/EXCALIBUR_LINER_F.pdf https://www.larius.com/wp-content/uploads/EXCALIBUR_LINER_SP.pdf LA4861 EXCALIBUR LINER with 23lt tank LA4860 EXCALIBUR LINER with 50lt tank https://www.larius.com/wp-content/uploads/EXCALIBUR_LINER_PL.pdf...
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.
Page 3 WE ADVISE THE USE OF THIS EQUIPMENT ONLY BY PROFESSIONAL OPERATORS. ONLY USE THIS MACHINE FOR USAGE SPECIFICALLY MENTIONED IN THIS MANUAL. Thank you for choosing a SAMOA product. As well as the product purchased, you will receive a range of support services enabling you to achieve the results desired, quickly and professionally.
Page 4 IT EN EXCALIBUR LINER 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. •...
Page 5: Conditions Of Guarantee
EXCALIBUR LINER IT EN TRANSPORT SAFETY RULES AND UNPACKING • THE EMPLOYER SHALL TRAIN ITS EMPLOYEES ABOUT ALL THOSE RISKS STEMMING FROM ACCIDENTS, ABOUT • The packed parts should be handled as indicated in the THE USE OF SAFETY DEVICES FOR THEIR OWN SAFETY symbols and markings on the outside of the packing.
Page 6: Working Principle
IT EN EXCALIBUR LINER WORKING PRINCIPLE SPRAY GUN BEFORE USING THE EQUIPMENT. • ALWAYS USE THE FLEXIBLE HOSE SUPPLIED WITH STANDARD KIT. THE USE OF ANY ACCESSORIES OR The EXCALIBUR LINER unit is defined “piston pump”. TOOLING OTHER THAN THOSE RECOMMENDED IN An piston pump is used for high pressure painting without air THIS MANUAL, MAY CAUSE DAMAGE OR INJURE THE (from this process derives the term ”airless”).
Page 7: Technical Data
Motor power - Yamaha 4,8 HP Airless paint capacity 23lt paint can - 50 lt gravity tank Dimensions 1.400 x 820 x 1.250 mm Weight Code LA4861: 108 Kg - Code LA4860: 150Kg ED. 31 - 01/2025 - Cod. 150153...
Page 8 Airless hose Airless manual push paint can holder airless nozzles tank N°1 Code 35015 N°1 Code 11210 N°1 SFC 11-40 LA4861 • • – Ø 1/4"-M16x1,5- M16x1,5 N°1 Code 18270 N°1 SFC 13-40 N°1 inlet swivel N°1 SFC 15-40 N°1 Code 35015 N°1 Code 11210...
Page 9 LA35015 Airless hose Ø 1/4" - M16 x 1,5 - 10 m Complete kit for second airless gun for Part No. LA4861 and Part No. LA4860 (mounting kit Part No. AT250 manual airless spray gun - LA200270 LA4307/1 + airless gun Part No. LA 1100 + airless...
Page 10: Description Of The Equipment
IT EN EXCALIBUR LINER DESCRIPTION OF THE EQUIPMENT Fig. 1 Pos. Description Pos. Description lt. 20 tank Gun AT250 Flow compensator Pumping group Product suction pipe Pivoting wheel Brake Gasoline tank Product supply tube ED. 31 - 01/2025 - Cod. 150153...
Page 11 EXCALIBUR LINER IT EN Fig. 2 Pos. Description Pos. Description Potentiometer for adjusting the operating pressure Product recirculation tube Manometer Plug Directional wheel lock/release lever Gun operating lever Presure gauge ON/OFF switch Safety-recirculation valve ED. 31 - 01/2025 - Cod. 150153...
Page 12: Tube Connections
IT EN EXCALIBUR LINER TUBE CONNECTIONS Flexible re-circulation tube connection • Connect the flexible re-circulation tube (1) to the connector (2) ensuring to tighten the fittings (the use of two wrenches is suggested). Fig. 1 Pump unit flexible tube connection •...
Page 13: Starting The Motor
EXCALIBUR LINER IT EN Fig. 4 Fig. 6 Fig. 5 • It is recommended to use the hose provided with the standard kit (ref. LA18036). NEVER use a damaged or a repaired flexible hose. NEVER use sealants on fittings’ threads. STARTING THE MOTOR In order to start the motor, proceed as follows: ill the gasoline tank (1).
Page 14 IT EN EXCALIBUR LINER Open the fuel valve (2) and position it to “ON”. Fig. 2 Put the air lever (3) on CLOSE. Fig. 3 Bring the accelerator lever (4) to about 1/2 of its run. Fig. 4 PULL-START 5.1 Turn the key selector (5a) to the ON position. Fig.
Page 15: Washing Of The New Equipment
EXCALIBUR LINER IT EN 5.2 Pull the start up cord (5b). Fig. 6 ELECTRIC STARTER MOTOR Turn the ignition key selector (5c) to START and hold it in position until the engine starts. Once the engine starts, return the selector to ON. Fig.
Page 16 IT EN EXCALIBUR LINER • Open the recirculating-safety valve (3). • Visually check that the wash fluid starts to re-circulate within the tank (5). Fig. 3 Fig. 6 • Turn pressure regulating knob (4) clockwise a little so that the machine idles. CLOSED OPEN It sprays out of the spray gun...
Page 17: Product Preparation
EXCALIBUR LINER IT EN • Remove the gun (6) from its support and point it into a • Shut off the equipment by turning the switch to its OFF container (7). Hold the trigger down (to perform the cleaning) position “(O)”. until clean solvent comes out, or else until all of the wash •...
Page 18: Adjusting The Spray Gun
IT EN EXCALIBUR LINER REGULATIONS ADJUSTING THE SPRAY GUN In order to adjust the position of the spray gun (1) use the knobs (2-3). Fig. 1 Fig. 2 ADJUSTING THE GUIDE ROD In order to adjust the position of the guide rod (4) use the knobs (5-6).
Page 19: Setup Procedure
EXCALIBUR LINER IT EN WORKING During the first start-up of the EXCALIBUR LINER PLUS operate at low speed without accelerating too much. This allows the machine, vibrating less, to prime faster and to suck up the product faster. SETUP PROCEDURE •...
Page 20 IT EN EXCALIBUR LINER CLEANING AT THE END WORK • Turn the pressure adjustment (1) handle slightly clockwise to make the machine function at minimum pressure (pump activated), until the tank has been completely emptied then shut off the pump by bringing the handle (1) to its minimum position.
Page 21: General Maintenance
EXCALIBUR LINER IT EN • Point the manual gun (7) into a container (8), drain the residual paint and wait for the wash fluid to come out clean the entire spraying circuit. Fig. 7 • In case of long storage, we recommend you to suck and to leave light mineral oil inside the pumping group and the flexible hose.
Page 22: Routine Maintenance
IT EN EXCALIBUR LINER ROUTINE MAINTENANCE Always check that there is oil in the motor. Check the motor oil every 100 working hours via the relevant measuring caps positioned on the bottom of the petrol motor. Top up if necessary. Fig.
Page 23 EXCALIBUR LINER IT EN MOTOR FILTER CLEANING AND REPLACEMENT Periodically provide for the cleaning and, if necessary, replacement of the motor filter following the procedure outlined below Unscrew the screw (1) securing the filter coover (2). Fig. 1 Remove the filter cover (3). Fig.
Page 24 IT EN EXCALIBUR LINER CORRECT PROCEDURE OF DECOMPRESSION • Point the gun (4) at the receptacle (5) used to collect the • Move the switch (1) to the OFF (0) position to stop the product and press the trigger to release the pressure. When equipment.
Page 25 EXCALIBUR LINER IT EN REPLACEMENT OF THE PUMPING GROUP’S GASKETS Each time you use the machine, check for material leaking from • Remove the locking pin (4) using pliers (5). the top of the ring nut. If any material leaks out when the pump is working at the set pressure, proceed as follows: •...
Page 26: Pit Stop Maintenance
IT EN EXCALIBUR LINER • Disconnect the pumping group by unscrewing the fastening • Use a 36 mm spanner to unscrew the pump unit as shown. nut (wrench 45). • Unscrew the pumping group from the housing. You can now work easily as the pump casing has been freed. •...
Page 27: Replacing The Foot Valve Seals
EXCALIBUR LINER IT EN REPLACING THE FOOT VALVE SEALS • Unscrew the gasket compression ring nut (19) completely. • Replace the PTFE gasket (14) located under the ball seating All the gaskets in the unit must be replaced at the same time to allow the machine to work properly.
Page 28 IT EN EXCALIBUR LINER • Remove the series of gaskets contained inside the pump unit housing, as shown. Fig. 11 Fig. 13 Upper white PTFE Grey polyethylene Waxed leather Grey polyethylene Lower white PTFE Steel female ring Code LA16106 PTFE white Code LA16107 Polyethylene grey Code LA16124...
Page 29: Replacing The Pump Unit Stem Gasket
EXCALIBUR LINER IT EN • Remove the PTFE O-ring (22) and replace it with a new one • Use a 10 mm spanner to unscrew and remove the stem (19) (23). as indicated. • Remove the complete gasket kit (24) from the stem (18), as shown, in order to replace it.
Page 30 IT EN EXCALIBUR LINER • Replace the grey polyethylene lipped gasket (25) for the valve piston. • Refit according to the assembly order and the alignment of the lip (as shown). Check the surfaces of the ball (26) and ball seating (27), and replace both if damaged.
Page 31 EXCALIBUR LINER IT EN • Insert the stem (18) into the housing (17) rotating it as you • Use a 36 mm spanner to screw on the pump unit (9). do so in order to allow it to slide more easily and to avoid damaging the upper gaskets.
Page 32: Correct Positioning Of The Pump Unit
IT EN EXCALIBUR LINER CORRECT POSITIONING OF THE PUMP UNIT • Screw the entire pump unit (9) inside the reduction cove. Once the unit has been refitted, proceed as follows: • Use a gauge to measure the gap between the base of the template and the start of the tightening groove.
Page 33 EXCALIBUR LINER IT EN • Once the unit has been positioned correctly, tighten the lock For correct reassembly, see the exploded diagram nut (36) hard against the front template. for the pump unit, and invert the order used for To tighten, use a 45 mm spanner. disassembly.
Page 34 IT EN EXCALIBUR LINER GLASS BEAD DISPENSER UNIT COMPONENTS (OPTIONAL) Fig. 2 Pos. Descrizione Pos. Descrizione Glass bead gun Bead feed tube Wire Knob Brushes of different sizes Height adjustment pin Contrl handle Tank support bracket Tank -11 lt Bracket fixing screws - increased length Fitting with ON/OFF valve ED.
Page 35 EXCALIBUR LINER IT EN GLASS BEAD DISPENSER UNIT ASSEMBLY (OPTIONAL) SCREW REPLACEMENT Necessary tools and equipment Procedure 1.1 Remove the two screws (1a) from the swivel wheel and replace them with two longer screws (1b). TANK SUPPORT BRACKET POSITIONING Necessary tools and equipment Procedure 2.1 Position the tank support bracket (2a), securing its position with self-locking nuts (2b).
Page 36: Tank Installation
IT EN EXCALIBUR LINER TANK INSTALLATION Necessary tools and equipment Procedure 3.1 Remove the cotter pin (3a) and unscrew the knob (3b) without removing it. 3.2 Position the tank (3c) at the desired height (adjustable with the pin), ensuring to keep the fitting (3d) gun-side oriented. 3.3 Reposition the pin (3e) and secure the tank by screwing the knob and lock nut back in place (3f).
Page 37 EXCALIBUR LINER IT EN GUN HANDLE REPLACEMENT Necessary tools and equipment Procedure 4.1 Remove the gun control handle (4a) loosening the screws (4b) 4.2 Pull out the cable (4c) along its entire length until reaching the gun 4.3 Remove the rubber grip (4d) 4.4 Insert the new handle (4e) and tighten the screws (4f) 4.5 Reposition the grip (4d) ED.
Page 38 IT EN EXCALIBUR LINER GUN REMOVAL Necessary tools and equipment Procedure 5.1 Unscrew the screws (5b) and remove the gun (5a) 5.2 Unscrew the screw (5d) and remove the wire guide block (5c) 5.3 Remove the wire (5e) ED. 31 - 01/2025 - Cod. 150153...
Page 39 EXCALIBUR LINER IT EN GLASS BEAD DISPENSER INSTALLATION Necessary tools and equipment Procedure 6.1 Position the glass bead dispenser (6a) on the gun holder arm, tightening the screws and nuts (6b) 6.2 Reposition the wire guide block (6c) and the gun (6d) on the gun holder arm 6.3 Insert the new paint gun control wire (6e) 6.4 Reposition the spring (6f) and block the wire with the...
Page 40 IT EN EXCALIBUR LINER GLASS BEAD FEED TUBE CONNECTION Necessary tools and equipment Procedure 7.1 Connect the glass bead feed tube (7a) locking the clamp (7b) NOTE NOTE The bead dispenser control cable is supplied by the manufacturer registered to its maximum stroke opening. However, it is possible to adjust the opening of the bead dispenser by acting on the adjustment screw (7c).
Page 41: Problems And Solutions
EXCALIBUR LINER IT EN PROBLEMS AND SOLUTIONS Problem Cause Solution The equipment does not start On/Off switch disconnected; Ensure the On/Off switch is on the “on” position and turn clockwise the pressure control knob; Lack of gasoline; Add gasoline; Breakdown of motor electric control box; Verify and replace it, if necessary;...
Page 43: Spare Parts
EXCALIBUR LINER IT EN SPARE PARTS Complete box transformer Complete box Tank 50L page 55 page 54 page 52 Tank 20L page 53 Complete Excalibur Liner Unit page 50 Re-circulation unit complete with cover page 57 Flow compensator page 56 Full frame group page 48 Complete pumping group...
Page 44 IT EN EXCALIBUR LINER COMPLETE PUMPING GROUP REF. LA56562 WARNING: Always indicate code and quantity for each part required. Complete connection tube ref. LA18790 ref. LA56526 ED. 31 - 01/2025 - Cod. 150153...
Page 45 EXCALIBUR LINER IT EN Pos. Code Description Pos. Code Description LA18553 OR 2012 LA56562 Complete hydraulic group LA56540 Disk LA16109 Ring packing LA9288 Spring LA16127 Locking nut LA56547 Releasing rod LA16105 Upper gaskets kit LA56538 Guiding bushing LA96208/1 Fitting LA56541 Rod rubber LA18640 Sleeve...
Page 46 IT EN EXCALIBUR LINER GASKETS ASSEMBLY U P P E R S E A L S Steel female ring code LA16106 PTFE white code LA16107 Polyethylene grey code LA16124 Waxed leather code code code LA16155 LA16132 LA16105 Polyethylene grey code LA16124 PTFE white code LA16107 Steel male ring...
Page 47 EXCALIBUR LINER IT EN COMPLETE STEERING UNIT REF. LA4876 WARNING: Always indicate code and quantity for each part required. Pos. Code Description Pos. Code Description LA9238 Spring LA4876 Complete steering unit LA4253 Wire stopper LA4735 Screw LA4875 LA95068 Screw LA5339 Washer LA330058 Washer...
Page 48 IT EN EXCALIBUR LINER FULL FRAME REF. LA4874 WARNING: Always indicate code and quantity for each part required. ED. 31 - 01/2025 - Cod. 150153...
Page 49 EXCALIBUR LINER IT EN Pos. Code Description Pos. Code Description LA4874 Full frame group LA4429 Gun support LA4256 Handle LA4870 Plating LA4463 Lever LA4265 Wire stopper LA4865 Handlebar LA33005 Washer LA4464 Right Lever LA95068 Screw LA4866 Block LA4260 Pivoting wheel LA7043 Screw LA4871...
Page 50 IT EN EXCALIBUR LINER COMPLETE EXCALIBUR LINER UNIT REF. LA4877 WARNING: Always indicate code and quantity for each part required. ED. 31 - 01/2025 - Cod. 150153...
Page 51 EXCALIBUR LINER IT EN Pos. Code Description Pos. Code Description LA4877 Complete Excalibur Liner unit LA700150 Vibration-damping pad LA96080 Motor LA700711 Vibration-damping pad LA18188 LA34009 Washer LA4887 Flange LA3637 LA4886 Tightening rod LA4879 Reduction flange LA96031 Screw LA4880 LA4888 Cover LA4416 Complete clutch LA4885...
Page 52 IT EN EXCALIBUR LINER COMPLETE 50L TANK REF. LA4895 WARNING: Always indicate code and quantity for each part required. Pos. Code Description Pos. Code Description LA901568 Screw LA4895 Complete 50L Tank LA4894 Support LA18249/1 Cover LA18215 Elbow LA85014 Filter LA95032 Union LA18231 Support...
Page 53 EXCALIBUR LINER IT EN COMPLETE 20L TANK REF. LA4890 WARNING: Always indicate code and quantity for each part required. Pos. Code Description Pos. Code Description LA4064 20l Tank LA4890 Complete 20L Tank LA4274 Belt LA4314 Screw LA69014 Screw LA52017 LA4250 Base LA4308 Ring...
Page 54 IT EN EXCALIBUR LINER COMPLETE BOX REF. LA4896 WARNING: Always indicate code and quantity for each part required. Pos. Code Description Pos. Code Description LA4923 Closure plate LA4896 Complete box LA8042 LA91062 Screw LA32005 Washer LA5933 Switch ON/OFF LA16850 Warning stickers LA30549 Potentiometer ED.
Page 55 EXCALIBUR LINER IT EN COMPLETE BOX TRASFORMER REF. LA4845 WARNING: Always indicate code and quantity for each part required. Pos. Code Description Pos. Code Description LA91062 Screw LA4845 Complete box transformer LA4846 Transformer box LA8042 LA32005 Washer ED. 31 - 01/2025 - Cod. 150153...
Page 56 IT EN EXCALIBUR LINER FLOW COMPENSATOR WARNING: Always indicate code and quantity for each part required. Pos. Code Description Q. ty Pos. Code Description Q. ty LA4522 Collar LA81033 Washer LA3372 Flow compensator LA96080 LA37180 Gasket LA95096 Washer (Typ Grower) LA3283 Union LA4407...
Page 57 EXCALIBUR LINER IT EN RE-CIRCULATION UNIT COMPLETE WITH COVER REF. LA4893 WARNING: Always indicate code and quantity for each part required. The Manufacturer declines all responsibility for any damage or malfunction of the machine following tampering or alteration of the valve calibration.
Page 59 EXCALIBUR LINER IT EN 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: EXCALIBUR LINER Airless line marker with piston pump complies with the directives: - EC Directive 2006/42 Machinery Directive...
Page 60 TEL. +1 (828) 645-2290 - FAX: +1 (828) 658 0840 TEL.: +44 1942 850600 - FAX: +44 1942 812160 ©Copyright, SAMOA INDUSTRIAL, S.A. SAMOA Industrial, S.A. is an ISO 9001, ISO 14001 and ISO 45001 certified company. Contact us today! Visit www.samoaindustrial.com for more information.

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La4860