Betico SB1 Compressor Unloader Kit Installation Manual
Contents
1. Note Ensure to hold gauge with spanner when tightening nut or gauge will be damaged 52 Fit air line fitting into side of pressure regulator valve pointing towards first Banjo T Piece fitting 53 Fit air line between first Banjo T Piece fitting in inlet valve retainer and body of pressure regulator valve Note Ensure plastic washer is removed and copper washer is fitted Page 22 Betico Unloader Kit Assembly Instructions 54 Put remaining olive nut and insert in plastic bag and cable tie to machine for customer to fit 55 Put tape over open hole in Banjo T Piece air line fitting opposite pressure gauge to ensure no dirt enters during shipping 56 Machine is now ready for installation or packaging for shipment to customer Page 232. valve retainers by levering under side lip with two levers to ensure even extraction Note Two inlet valves per cylinder head 9 Remove inlet valve from cylinder head by hand Note Two inlet valves per cylinder head Page 7 Betico Unloader Kit Assembly Instructions Assemble New Inlet Valves 10 Insert stud into inlet valve lower body Insert Stud is a tolerance fit so will need to be pressed into place Note Four inlet valves 11 Insert valve springs into valve lower body Note Six valve springs per valve Insert Ensure valve spring has flanges on each end AA KI 12 Place small thin disk and small thick disc together over springs Basso s 00009000000 PPPPIFITITITITITITITIT e Note Always put thin disk towards spring Note 2 Ensure that disks do not fowl valve body spigots Page 8 Betico Unloader Kit Assembly Instructions 13 Place medium thin disk and medium thick disc together over springs Note Always put thin disk towards spring Note 2 Ensure that disks do not fowl valve body spigots 14 Place large thin disk and large thick disc together over springs Note Always put thin disk towards spring Note 2 ensure that disks do not fowl valve body spigots 15 Fit valve body over stud and ensure that casting mark on body is in line with one row of springs Page 9 Betico Unloader Kit Assembly Instructions 16 Press valve upper body dow
3. ader Kit Assembly Instructions 27 Apply rubber grease to valve retainer O Ring and fit O Ring into groove in valve retainer cover O Ring outer with rubber grease Note One O Ring per valve retainer Note 2 Four valve retainers 28 Insert inlet valve retainer into cylinder block ensuring that the cast arrow on valve retainer lines up with cut out notch cast into cylinder block i e this ensures correct air flow path through valve retainer legs Note Four valve retainers 29 Hold valve retainer firmly and tap home with rubber mallet to fully seat Note Four valve retainers Page 14 Betico Unloader Kit Assembly Instructions 30 Apply rubber grease to small O Ring and insert into groove in top of inlet valve retainer Note Four valve retainers 31 Clean paint from sealing surfaces of valve clamp both top and bottom Note Two valve clamps 32 Fit valve clamp over centre stud of cylinder block with smaller tapped holes over inlet valve retainers ensuring that these holes line up with the small holes in the top of the inlet valve retainers Note Two valve clamps Page 15 Betico Unloader Kit Assembly Instructions 33 Apply small amount of anti seize to thread on stud Note Two studs 34 Fit stud nut over valve clamp finger tight Note Ensure that clamp nut is central in valve clamp recess Note 2 Ensure that small tapped holes in valve clamp line up with air
4. eg Fa n s D i be Cl Logos i D d See SC N pico VS Reeg Ae Dong gi ri fw mali kem 19S OLE eg ma VSTITOJ TT a pe d ESUE We E ft TLLITOb JIH xl HB nLegos n en QSISCO Si UT ID C D Listes a MW A G PebSoy 14970 EBSCO LSO o Ekstooy Fe AN le ef j sd D d Wed DV OM Iwan Ci d jy Nodyn 7 Vblatop K e 292143 goji 30 Page 4 Betico Unloader Kit Assembly Instructions Disassemble Standard Valves From Machine 1 Remove standard air cleaner rubber elbows from either side of machine 2 Fit new reinforced air cleaner rubber elbows on either side of machine e Ensure long hose end is fitted to compressor inlet pipe and short hose end to air cleaner outlet 3 Fit both hose clamp bolts horizontal with bolt heads facing out e Ensure that clamp is horizontal with pipe as hose may be cut at an angle e Clamp should be positioned 3 to 5mm back from end of hose to ensure hose is firmly held Page 5 Betico Unloader Kit Assembly Instructions 4 Loosen valve adjusting nuts from each exhaust valve e Two valve adjusting nuts per side 5 Loosen valve adjusting studs from each exhaust valve e Two valve adjusting studs per side 6 Loosen valve retaining nut from each cylinder head Page 6 Betico Unloader Kit Assembly Instructions 7 Remove valve clamp from each cylinder head 8 Remove inlet
5. er is fitted Page 19 Betico Unloader Kit Assembly Instructions 44 Fit Banjo T Piece air line fitting to end of pressure regulator valve and tighten No thread paste Note Ensure two copper washers are fitted 45 Fit one Banjo T Piece air line fitting to each small tapped hole in valve clamp over inlet valves in nearest cylinder block to pressure regulator valve No paste Note Leave banjo bolts loose until air lines are fitted Note 2 Two copper washers per fitting 46 Fit one Banjo T Piece air line fitting to R H side inlet valve and one Banjo Single air line fitting to L H side inlet valve on pressure gauge side cylinder block No paste Note Leave banjo bolts loose until air lines are fitted Note 2 Two copper washers per fitting Page 20 Betico Unloader Kit Assembly Instructions 47 Measure and cut air lines with special cutting tool as they are fitted Note Ensure that each air line end is fitted using nut olive and insert 48 Fit air line between inlet valves on pressure regulator valve side and tighten nuts 49 Fit air line between cylinder blocks and tighten nuts Note Cable tie air line to cylinder studs Page 21 Betico Unloader Kit Assembly Instructions 30 Fit air line between inlet valves on pressure gauge side and tighten nuts 51 Fit air line between pressure regulator and pressure gauge using zinc plated nut with olive and insert
6. n to ensure disks do not fowl spigots 17 Fit nut to stud with machined surface towards valve body finger tight 18 Use a screw driver and press on disk sets to ensure movement i e correctly seated Page 10 Betico Unloader Kit Assembly Instructions 19 Hold valve in vice and tighten nut Note Four valves 20 Fit valve spring over stud Note Four valves 21 Fit spider hub over valve body Note Ensure that legs of spider hub locate through cut outs in valve body and push on disks Page 11 Betico Unloader Kit Assembly Instructions 22 Fit spring top to stud through spider hub and screw down finger tight 23 Hold valve assembly in vice and tighten spring top with spanner until it bottoms out on inner nut Note Ensure spider hub has movement pushing onto disks Note 2 Four valves Page 12 Betico Unloader Kit Assembly Instructions Reassemble Compressor 24 Insert valve body into inlet port and ensure that it seats properly onto copper washer Note Ensure copper washer is reusable if not replace Note 2 Four valves 25 Apply rubber grease to O Rings and fit O Rings to valve piston cover O Ring outer with rubber grease Note Two O Rings per piston Note 2 Four valve pistons 26 Insert valve piston into inlet valve retainer hollow side of valve piston away from valve retainer Note Four valve pistons Page 13 Betico Unlo
7. path holes in valve retainer 35 Torque nut to 8 mkg 60ft Ibs Note Recheck that small tapped holes in valve clamp line up with air path holes in valve retainer Page 16 Betico Unloader Kit Assembly Instructions 36 Apply anti seize to adjusting stud and fit to valve clamp torque adjusting stud to 3 mkg 20ft lbs Note Four adjusting studs 37 Fit lock nut to adjusting stud and torque lock nut to 14 mkg 100ft Ibs Note Four lock nuts Page 17 Betico Unloader Kit Assembly Instructions Plumbing of Unloader Kit 38 Fit air pressure gauge bracket to cylinder stud opposite to oil pressure gauge and re torque lock nut to 6 mkg 40ft 1bs 39 Fit air pressure gauge to bracket 40 Fit pressure regulator valve bracket to opposing cylinder stud on opposite cylinder block and re torque nut to 6 mkg 40 ft lbs Note Bracket points out towards driveshaft side of machine Page 18 Betico Unloader Kit Assembly Instructions 41 Fit external reducing bush to pressure regulator valve using LocTite 567 Thread Sealant 42 Fit pressure regulator valve to bracket with inlet hole facing towards outside of machine Le towards inlet valves on same cylinder block Note Pressure regulator valve faces towards drive shaft end of machine 43 Fit internal reducing bush to end of pressure regulator valve No thread paste Note Ensure plastic washer is removed and copper wash
8. v CONVAIR Betico SB1 Compressor Unloader Kit Installation Manual Betico Unloader Kit Assembly Instructions Contents 1 Sample of BOM for Unloader Kit Page 3 2 Regulation kit plumbing diagram Page 4 3 Disassemble standard inlet valves from machine Page 5 4 Assemble new inlet valves Page 8 5 Reassemble compressor Page 13 6 Plumbing of unloader kit Page 18 Note Ensure all parts that require painting are painted prior to starting job Valve clamp Spider x 2 Inlet valve retainer x 4 Pressure regulator valve bracket x 1 Air pressure gauge bracket x1 Page 2 Betico Unloader Kit Assembly Instructions BOM for Betico Unloader Kit 3021501 VALVE BODY INLET 3034801 VALVE RETAINER WEI IL 4 3088877 BRACKET Unloaderkit JL 211 SINGLE REGULATOR SCREW S 3064907 3067900 4000091 4001222 4001669 ORING Unloaderkit 8l 4001743 4001867 4001966 4002360 4002543 4002642 Oil pressure gauge bracket for unloader kit 4002782 SPIDER HUB Unloader kit Al oo 4002881 SPRING TOP Unloader kit Al 4002980 SPRING Unloader kt 1 Al 4023150 COPPER WASHER Unloader ki nf o 4033084 REDUCING BUSH Unloader Mt Z J 1 o NMUT O 4033191 NUT 4035287 4035683 4036772 4037333 4037622 4037838 4059360 4447003 4668707 4691253 4729533 5297101 5297200 VALVE SPRING S O 5956979 VALVE SPRING Page 3 Betico Unloader Kit Assembly Instructions aul w
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