5717 15-03-03 Released - Link-Belt Cranes
5717 (supersedes 5666)-0315-N6Technical DataSpecifications & CapacitiesHSL Crawler Crane110 Ton (99.8 metric ton)CAUTION: This material is supplied for reference useonly. Operator must refer to in-cab Crane RatingManual and Operator's Manual to determineallowable crane lifting capacities and assembly andoperating procedures.Link‐Belt Cranes218 HSL1
5666 (supersedes 5666)-0315-N6218 HSLLink‐Belt Cranes
5666 (supersedes 5666)-0315-N6Table Of ContentsUpper Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Load Hoist Drums . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Optional Front-Mounted Third Hoist Drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Optional Rear-Mounted Fourth Hoist Drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Boom Hoist Drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Swing System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Counterweight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Operator Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rated Capacity Limiter System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Boom Hoist System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Machinery Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Catwalks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Lower Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Carbody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Side Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Travel and Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Optional - Jack System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Attachment and Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Conventional Tube Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Angle Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tube Jib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Luffing Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Auxiliary Tip Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Luffing Jib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Base Crane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Side Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Upper Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Lower Counterweights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Boom/Luffing Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Jib/Luffing Jib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hook Balls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hook Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Working Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Transport Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Transport Drawings - Tube Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Load Hoist Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Working Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Main Boom Make-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Main Boom Working Range Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Link‐Belt Cranes218 18192123
5666 (supersedes 5666)-0315-N6Main Boom Load Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Jib Attachment Make-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Jib Attachment Working Range Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Jib Attachment Load Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Luffing Attachment Make-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Luffing Attachment Working Range Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Luffing Attachment Load Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Luffing Attachment Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218 HSL2528293034353746Link‐Belt Cranes
15666 (supersedes 5666)-0315-N6Upper StructureHydraulic SystemFrameAll welded steel frame with precisionmachined surfaces for mating parts.Turntable BearingS Inner race with internal swing gear isbolted to lower frame.S Outer race is bolted to upper frame.EngineEngineFull pressure lubrication, oil filter, aircleaner, hour meter, throttle, and electriccontrol shutdown.Cummins QSB6.7 Tier 4 FinalNumber of cylinders6Bore and stroke4.20 in x 4.88 in(107 x 124mm)Piston displacement408 in3 (6.8L)Engine rpm at fullload speed2,000 rpmHi‐idle rpm2,000 rpmGross engine hp270 hp (210kw)Peak torque730 ft lb (990joule) @1,500 rpmElectrical system24 voltFuel tank capacity122 gal (460L)Batteries2-12 voltApproximate fuelconsumptiongal/hr (L/hr)100% hp12.62 (47.77)75% hp10.57 (40.01)50% hp7.57 (28.66)25% hp4.16 (15.75)Fuel TankEquipped with fuel sight level gauges,flame arrester, and self-closing cap withdoor lock.Link‐Belt CranesHydraulic PumpsThe pump arrangement is designed toprovide hydraulically powered functionsallowing positive, precise control with in dependent or simultaneous operation ofall crane functions.S Two variable displacement pumpsoperating at 4,551 psi (320kg/cm2) and70.3 gal/min (266L/min) powers loadhoist drums, boom hoist drum, optionalthird drum, optional fourth drum, andtravel.S One variable displacement pumpoperating at 4,623 psi (325kg/cm2) and40.2 gal/min (152L/min) powers theswing motors.S One fixed displacement gear typepump operating at 2,985 psi(210kg/cm2) and 15.1 gal/min (57L/min)powers the lower jacks, counterweightremoval, self assembly, side frameextend/retract, and hoist brake cooling.S One fixed displacement gear typepump operating at 1,422 psi(100kg/cm2) and 10.3 gal/min (39L/min)powers the pilot control system,clutches, brakes, and pump controls.S One fixed displacement gear typepump operating at 1,420 psi(100kg/cm2) and 7.9 gal/min (30L/min)powers the optional tagline winch.Hydraulic Reservoir85 gal (320L), equipped with sight levelgauge. Diffusers built in for deaeriation.FiltrationTen micron, full flow, line filter in the controlcircuit. All oil is filtered prior to entering thereservoir.Counterbalance ValvesAll hoist motors are equipped with coun terbalance valves to provide positive loadlowering and prevent accidental loaddrop if the hydraulic pressure is suddenlylost.218 HSLLoad Hoist DrumsEach drum contains an axial piston, vari able speed hydraulic motor with individu al automatic winch motor brakes. Powerflow is directed through a patented,semi-outboard mounted, “wet” stylemulti-disc brake. The brake is mountedon the “output” side of the planetary,which greatly reduces drag associatedwith most “wet” style brakes in free-fallmode.S Power up/down & free-fall operationmodesS Automatic brake mode (spring applied,hydraulically released, wet type brake)S Drum lagging grooved for wire ropeS Drum pawl controlled manuallyS Electronic drum rotation indicatorsS Mounted on anti-friction bearingsS 21.81 in (0.55m) root diameterS 37.81 in (0.96m) flange diameterS 25.25 in (0.64m) widthThe free-fall operation mode is designedto prevent load lowering even if the freefall switch is accidentally activated.The automatic brake mode meets allOSHA requirements for personnel han dling.Optional Front-MountedThird Hoist DrumThe hydraulic winch is pinned to the frontof the upper frame and is used in conjunc tion with a fleeting sheave and 3-sheaveidler assembly to run the wire rope overthe boom top section.S Power up/down for luffer applicationswhere a second load line is neededS Controlled free spooling capability forpile driving applications or auxiliaryhoist line for luffer applications.S 12.75 in (0.32m) root diameterS 22.75 in (0.58m) flange diameterS 17 in (0.43m) widthS Mounted on anti-friction bearingsS Drum lagging grooved for wire rope
25666 (supersedes 5666)-0315-N6Optional Rear-MountedFourth Hoist DrumDrum contains an axial piston, variablespeed hydraulic motor with individual au tomatic winch motor brakes. Power flowis directed through a patented, semi-out board mounted, “wet” style multi-discbrake.S Power up/down & free-fall operationmodesS Automatic brake mode (spring applied,hydraulically released, wet type brake)S Drum lagging grooved for wire ropeS Drum pawl controlled manuallyS Electronic drum rotation indicatorsS Mounted on anti-friction bearingsS 21.50 in (0.54m) root diameterS 40.94 in (1.04m) flange diameterS 24.63 in (0.62m) widthS Pins to rear of upper frameS Plumbing and valving standard withmain unitThe free-fall operation mode is designedto prevent load lowering even if the freefall switch is accidentally activated.The automatic brake mode meets allOSHA requirements for personnel han dling.Boom Hoist DrumContains a pilot controlled, bi-directional,axial piston motor and a planetary gear re duction unit to provide positive control un der all load conditions.S Spring applied, hydraulically released,disc type brake controlled automaticallyS Drum lagging grooved for wire ropeS Drum pawl controlled automaticallyS Mounted on anti-friction bearingsS 18.35 in (0.47m) root diameterS 30.40 in (0.77m) flange diameterS 11.16 in (0.28m) widthSwing SystemPilot controlled bi-directional axial pistonmotors and planetary gear reduction unitsto provide positive control under all loadconditions.S Spring applied, hydraulically released,360 multi-plate brakeS Free swing mode when lever is in neu tral positionS Four position positive house lockS Two-speed swingS Audio/Visual swing alarmS Maximum swing speed is 2.5 rpmCounterweightConsists of a four-piece design that canbe easily lowered to the ground using theremoval cylinders.S “A” upper counterweight consists ofone, 25,260 lb (11 458kg) base slabS “B” upper counterweight consists oftwo, 9,370 lb (4 250kg) wing weightS “C” upper counterweight consists oftwo, 9,410 lb (4 268kg) wing weightS Two side frame counterweights 11,100 lb (5 035kg) eachTotal combined counterweight, “ABC”plus side frame counterweights is85,020 lb (38 564kg).Operator CabFully enclosed modular steel compart ment is independently mounted andpadded to protect against vibration andnoise.S All tinted/tempered safety glassS Folding hinge entry door and slidingfront glass windowS 19,000 BTU hot water heaterS 18,600 BTU air conditionerS Door and window locksS Circulating fanS Sun visorS Cloth seatS DefrosterS Windshield wipers and washerS Dry chemical fire extinguisherS Engine instrumentation panel (voltmeter,engine oil pressure, engine water tem perature, fuel level, hydraulic oil tem perature, hour meter, and service moni tor system)S Electronic drum rotation indicators forfront and rear hoist drumsS Rearview cameraS Six way adjustable seatS Hand and foot throttleS Fully adjustable single axis controlsS Swing lever with swing brake and hornlocated on handleS Bubble type levelS Ergonomic gauge layoutS Controls shut off leverS Control stand is adjustable for operatorcomfort.Rated Capacity LimiterSystemThe HSL rated capacity limiter system is aboom hoist load cell system. This systemprovides the operator with useful geometri cal data, to include:S Main Boom LengthS Main Boom AngleS Jib LengthS Jib AngleS Operating ModeS Load RadiusS Boom Tip HeightS Audible AlarmS Pre-Warning LightS Overload LightS Load On HookS Function kick-outs including over loadS Operator settable stops (ramped stops)S Anti-Two Block IndicatorS Boom hoist dead end load cell (nolineriders)Boom Hoist SystemDesigned to lift off maximum boom ormaximum boom plus jib unassisted. Op erates up to a maximum boom angle of80 for conventional boom and 90 for luf fing boom. Boom hoist limit system limitsmaximum boom angle operation.S Pin-on bail frameS 12-part reeving with 20mm (0.787 in)wire ropeS 22 ft (6.71m) live mastS Two 1.25 in (32mm) pendantsS Tubular boom backstops (telescopictype)S Sheaves contain sealed anti-frictionbearingsS Boom speed from 10 -70 is 69 sec onds with no load. Speed was deter mined using 100 ft (30.48m) of tubeboom.Machinery CabHinged doors (four on right side, three onleft side) for machinery access. Storage/rigging box located on operator's side ofupper house. Equipped with rooftop ac cess ladder and skid resistant finish onroof.CatwalksStandard on right and left sides. Catwalksare removable for reduced travel width.218 HSLLink‐Belt Cranes
35666 (supersedes 5666)-0315-N6Lower StructureCarbodyLower FrameAll welded high strength steel [65,000 psi(448.16MPa) yield] box constructionframe with precision machined surfacesfor turntable bearing and rotating joint.S 9 ft 11 in (3.02m) overall widthS 11 ft 11 in (3.60m) overall lengthSide FramesSide FramesAll welded, precision machined, steelframes can be hydraulically extended andretracted by a hydraulic cylinder mountedin the lower frame.S 14 ft 2 in (4.32m) extended gaugeS 9 ft (2.74m) retracted gaugeS 20 ft 6 in (6.25m) overall lengthS 36 in (0.91m) wide track shoesS Sealed (oil filled) drive planetariesS Compact travel drivesS Automatic hydraulic track adjustmentsystem - optionalTrack RollersS Ten sealed (oil filled) track rollers perside frameS Heat treated, mounted on oil filled antifriction bearingsTracksHeat treated, self-cleaning, multiplehinged track shoes joined by one-piecefull floating pins; 53 shoes per side frameTake Up IdlersCast steel, heat treated, self-cleaning,mounted on aluminum/bronze bushings.Lubricated through idler shaft.S Track Tension Adjustment - Idlerwheel adjusted by means of hydrauliccylinder and hand pump. Idler wheelshaft held in position with shims afteradjustment is made.Travel and SteeringTravel and SteeringEach side frame contains a pilot con trolled, bi-directional, axial piston motorand a planetary gear reduction unit to pro vide positive control under all load condi tions.S Individual control provides smooth,precise maneuverability including fullcounter-rotation.S Spring applied, hydraulically releaseddisc type brake controlled automaticallyS Maximum travel speed is 1.2 mph(1.93km/h).S Designed to 30% gradeabilityOptional - Jack SystemSystem contains four hydraulic cylindersindividually pinned on swing out beams.S Individual controls are mounted on car body.S Minimum height of carbody when rest ing on pontoons is 16 in (0.41m).S Maximum height of carbody when rest ing on pontoons is 42 in (1.07m).Attachment and OptionsConventional Tube Boom40-230 ft (12.19-70.10m)Basic Boom40 ft (12.19m) two-piece design thatutilizes a 20 ft (6.10m) base section anda 20 ft (6.10m) open throat top sectionwith in-line connecting pins on 60 in(1.52m) wide and 50 in (1.27m) deepcenters.S Boom foot on 55.12 in (1.40m) centersS 3 in (7.62cm) diameter chordsS Lugs on base section for self assemblyS Deflector roller on top sectionS Permanent skid pads mounted on topsection to protect head machineryLink‐Belt CranesS Four, 21.53 in, (54.69cm) root diameterpolymide sheaves mounted on sealedanti-friction bearingsS Tip extension and jib connecting lugson top sectionS Mechanical boom angle indicatorS Self assembly
Link‐Belt Cranes 218 HSL Technical Data Specifications & Capacities HSL Crawler Crane 110 Ton (99.8 metric ton) CAUTION: This material is supplied for reference use only. Operator must refer to in-cab Crane Rating Manual and Operator's Manual to determine allowable crane lifting capacities and assembly and operating procedures.
Jul 05, 2020 · Abigail G. Doyle and Eric N. Jacobsen* Department of Chemistry & Chemical Biology, Harvard University, Cambridge, Massachusetts 02138 Received March 28, 2007 Contents 1. Introduction 5713 2. Carbonyl Electrophiles 5717 2.1. Aldol Reaction16 5717 2.2. Hetero-Diels Alder Cycloaddition3
Sun released Java development kit 1.0. 1997 Sun released Java development kit 1.1(JDK 1.1). 1998 Sun released Java2 with version 1.2(SDK 1.2). 1999 Sun released Java2 standard edition (J2SE) and Enterprise Edition (J2EE). 2000 J2SE with SDK 1.3 was released. 2002 J2SE with SDK 1.4 was released. 2004 J2SE with JDK 5.0 was released.
1998; Version 2 was released in February 2001; Version 3 was released in March 2004; Version 4 was released in February 2006; Version 5 was released in November 2007, Version 6 was released in April 2010; and Version 7 was released in September 2012. After four expansions of Version 7 during the last five years, we are now proud to present the .
Grade 8 ELA–Reading Released Items Passage(s): AzM2 Released Items . 4 . AzM2 Released Items . 5 . AzM2 Released Items . 6 . AzM2 Released Items . 7 . Item(s) (1 Point) Option Rationales . Choice A: Key - By graphically depicting the Hyperloop, including specific details and labe
North Carolina Measures of Student Learning: NC’s Common Exams Grade 6 Science—Form A Released Form RELEASED. GRADE 6 SCIENCE — RELEASED FORM . RELEASED. GRADE 6 SCIENCE — RELEASED FORM 2 Go to the next page. 4 Which best explains the relationship between the speed of sound and the medium
Released Testlets for At -Home Instruction Revised 05/01/2020 Page 3 of 27 . Released Testlets Using Released Testlets The released testlet subject area tables for ELA readin
GRADE 7 SOCIAL STUDIES — RELEASED ITEMS 1 Grade 7 Social Studies RELEASED Items1 Fall 2014 Answer Key Item Number Type2 Key Percent Correct3 Standard 1 MC D 61% 7.H.2.1 2 MC A 69% 7.H.2.3 3 MC D 36% 7.E.1.3 4 MC C 47% 7.E.1.2 5 MC C 67% 7.C&G.1.1 6 MC B 79% 7.C&G.1.1 7 MC D 39% 7.C.1.1 1These released items were administered to students during a previous test administration.
Konsumsi asam folat, vitamin B12 dan vitamin C pada ibu hamil tergolong masih rendah, sehingga konsumsi sumber vitamin perlu ditingkatkan untuk mencegah masalah selama kehamilan, seperti anemia, prematur, dan kematian ibu dan anak. Kata kunci: asam folat, ibu hamil, vitamin B12, vitamin C *Korespondensi: Telp: 628129192259, Surel: hardinsyah2010@gmail.com J. Gizi Pangan, Volume 12, Nomor 1 .
