Multiquip AR13HAR manual Troubleshooting engine

Page 39

 

troubleshooting

 

 

 

 

 

 

 

Troubleshooting (engine)

 

symptom

possible problem

solution

 

 

 

 

Spark plug bridging?

Check gap, insulation or replace spark plug.

 

 

 

 

Carbon deposit on spark plug?

Clean or replace spark plug.

 

 

 

 

Short circuit due to defi cient spark plug

Check spark plug insulation, replace if worn.

 

insulation?

 

 

 

Improper spark plug gap?

Set to proper gap.

 

Fuel reaching carburetor?

Check fuel line.

 

Water in fuel tank?

Flush or replace fuel tank.

 

Fuel fi lter clogged?

Replace fuel fi lter.

Diffi cult to start, fuel is available, but no spark

Stuck carburetor?

Check fl oat mechanism.

Spark plug is red?

Check transistor ignition unit.

at spark plug.

 

 

If insuffi cient compression, repair or replace

 

Spark plug is bluish white?

engine. If injected air leaking, correct leak. If

 

 

carburetor jets clogged, clean carburetor.

 

 

 

 

 

Check transistor ignition unit is broken, and

 

No spark present at tip of spark plug?

replace defective unit. Check if voltage cord

 

cracked or broken and replace. Check if

 

 

 

 

spark plug if fouled and replace.

 

 

 

 

No oil?

Add oil as required.

 

 

 

 

Oil pressure alarm lamp blinks upon starting?

Check automatic shutdown circuit, "oil

 

(if applicable)

sensor". (if applicable)

 

ON/OFF switch is shorted?

Check switch wiring, replace switch.

Diffi cult to start, fuel is available, and spark is

Ignition coil defective?

Replace ignition coil.

Improper spark gap, points dirty?

Set correct spark gap and clean points.

present at the spark plug.

Condenser insulation worn or short circuiting?

Replace condenser.

 

 

Spark plug wire broken or short circuiting?

Replace defective spark plug wiring.

 

Wrong fuel type?

Flush fuel system, and replace with correct

 

type of fuel.

 

 

Diffi cult to start, fuel is available, spark is

 

 

Water or dust in fuel system?

Flush fuel system.

present and compression is normal.

 

 

Air cleaner dirty?

Clean or replace air cleaner.

 

 

 

 

 

Choke open?

Close choke.

 

 

 

 

Suction/exhaust valve stuck or protruded?

Reseat valves.

 

 

 

Diffi cult to start, fuel is available, spark is

Piston ring and/or cylinder worn?

Replace piston rings and/or piston.

 

 

Cylinder head and/or spark plug not tightened

 

present and compression is low.

Torque cylinder head bolts and spark plug.

properly?

 

 

 

 

 

 

Head gasket and/or spark plug gasket damaged?

Replace head and spark plug gaskets.

 

 

 

 

No fuel in fuel tank?

Fill with correct type of fuel.

 

 

 

 

Fuel cock does not open properly?

Apply lubricant to loosen fuel cock lever,

 

replace if necessary.

No fuel present at carburetor.

 

 

 

Fuel fi lter/lines clogged?

Replace fuel fi lter.

 

 

 

 

 

Fuel tank cap breather hole clogged?

Clean or replace fuel tank cap.

 

 

 

 

Air in fuel line?

Bleed fuel line.

 

 

 

AR13HA/AR13HAR ROLLER (s/n 110301 & up) • operation AND PARTS manual — rev. #0 (06/22/11) — page 39

Image 39
Contents AR13HA AR13HAR Proposition 65 warning Specifications are subject to change without notice Table of ContentsSaFeTY messages Safety InformationGeneRaL saFeTY ROLLeR saFeTY Engine saFeTYBefore servicing equipment Combustible gases FueL saFeTYBaTTeRY saFeTY eLeCTRiC sTaRT OnLY „ Use well-insulated gloves when picking up the batteryTRanspORTing saFeTY EnviROnmenTaL saFeTY„ do nOT lift machine to unnecessary heights Operating Weight w/ Drum Ballast Shipping WeightDry Weight Operating WeightDenso J16CR-U 88 in ,235 mm DimensionSWheelbase 45.0 in ,143 mm Drum Diameter Curb Clearance Drum WidthGeneral information Power PlantTipping Rollovers Operating on SlopesRoller Components ComponentsSteering Wheel Use this wheel to steer the roller Additional Roller Components Steering Cylinder Controls direction of rollerOil Filter Spin-on type, filters oil for contaminants Basic engineInspection Before startingEngine Oil Check Hydraulic Oil Check Fuel checkWater Tank Check Battery CheckStartup OperationShift Lever Vibration ButtonSprinkler Controls Maintenance MaintenancePerform roller maintenance as indicated by and Table Hydraulic Oil System Changing Hydraulic Oil and FiltersFreewheel Engagement Valve Drum Drive Vibration and SteeringRubber Scrapper Mat Steering Pressure Test Adjust engine RPM 3,500 +/- 50 RPMForward/Reverse Hydraulic Pressure Test Vibration Circuit Pressure TestForward/Reverse Relief Valves Drive Adjustment E e r i n g R e l i e f Va lv e P r e s s u r e AdjustmentVibration Relief Valve Pressure Adjustment Drums and Main Frame Front and Rear Drum Removal and DisassemblyRemoving and Replacing Hydrostatic Pump Removing and Replacing Vibration/ Steering PumpFront Right Drum Removal Front Left Drum Removal Rear Drum Removal/Installation Vibrator Solenoid Neutral Safety SwitchBattery Alternator/RegulatorRoller Storage Preparation for long-term storageManifold test ports Relief Valve Hydraulic system diagramHydraulic hose connections ManifoldManifold Main Hydraulic Pressure Incorrect engine speed? TroubleshootingNo voltage to 12 volt solenoid? Continuity No Vibration No oil pressure?Troubleshooting engine Forward Reverse Shifter Wiring diagramPage Explanation of Code in Remarks Column CABLE, Choke SWITCH, StarterKEY, Starter Switch CABLE, ThrottleNameplate and decals Decal Powder Coated Decal Hydraulic OIL Level IndicatorDecal Engine RPM Setting Decal Steering ConsoleAR-13HA Decal MQ Logo Decal AR-13H MQ LogoDecal Danger Point Arrow UPFront drum assy RING, Retaining Housing BearingFront Roller BearingExciter assy Seal HOUSING, Bearing RightHOUSING, Bearing Left SCREW, Allen 5/16Rear Drum and Chassis assy Right Side Rear Rear DrumAllen Plug NUT, Lock 1/2Covers and Frame Articulation Lock assy Seat Rear Water Tank CoverCOVER, Steering Column WASHER, Flat 5/16Hood and rear panel assy Latch KIT, Steel SUB-WIRE Harness AssyHood Flat Washer 5/16Steering Column and Hydraulic Articulation assy CYLINDER, Steering HARNESS, WiringWASHER, Lock 5/8 Elbow FittingArticulation ARM assy ROD, Direction Stabilizer 513294ROD END 514347 Bolt 3/4 IN. x 2-1/2 EM505069 NUT 3/4 513295 513296201 202 200 206 209 204 199 196 190 192 203 191 Hydraulic drive pump assyADAPTER, Steering Pump KEY SquareAluminum Adapter PUMP, Steering184 174 172 156 119 Manifold and hydraulic OIL Filter assyOIL Filter Hydraulic Tank CAPStraight Fitting 3/4 FILTER, GASRear Fuel Tank assy Water Tank assy Elbow PVC Water TankWater Tank CAP Plug 1/2 NPT Galvanized420 Engine and Muffler assyHose Clamp HS-16 GX630RQZB2 ENGINE, Honda 20 HPMuffler Pipe Modified Tube 1.25 Flex135 136134 106 108 110 114 112 Throttle assyJoint Ball Cable Throttle AssemblyTravel Lever FWD/REV CABLE, FORWARD/REVERSEBrake control assy PIN, Clevis LEVER, BrakeBrake Link Bell CrankBattery assy CLAMP, Battery BatteryCable Battery Cable + Battery114 110 108 106 116 Scrapper assyWasher 1/2 Special SCRAPER, SupportPlate Backing NUT, Lock 1/2 NCFReigHT pOLiCY Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help
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AR13HA, AR13HAR specifications

The Multiquip AR13HAR and AR13HA are advanced, rugged, and efficient walk-behind rollers designed for various construction and road maintenance applications. These compact rollers are specifically engineered to handle asphalt and soil compaction tasks, making them ideal for both professional contractors and do-it-yourself enthusiasts seeking high-quality performance in compact spaces.

One of the standout features of the Multiquip AR13HAR and AR13HA is their excellent maneuverability. With their tight turning radius, these rollers can easily navigate confined areas, allowing for effective compaction even in challenging sites. This makes them particularly useful for patching, trench work, and other localized applications.

The AR13HAR model is equipped with a reliable water-cooled engine that delivers robust power, ensuring consistent performance throughout the compaction process. The hydraulic system offers smooth operation, allowing operators to adjust the roller's speed and direction with ease. The self-propelled functionality further enhances user experience, catering to various operator preferences.

In terms of compaction capability, both models are fitted with high-frequency vibrating plates that facilitate superior compaction results. The AR13HAR and AR13HA can achieve impressive compaction depths, making them suitable for a wide range of material types. Users can expect consistent and uniform compaction across the working surface, which is essential for building durable pavements and bases.

Another important aspect is their durability. Multiquip has crafted the AR13HAR and AR13HA with robust materials, ensuring that they can withstand the rigors of construction sites. The rollers feature reinforced frames and sturdy drums designed to endure harsh conditions, contributing to a longer lifespan with less maintenance required.

Safety is also a priority in the design of these rollers. They come equipped with essential features like an emergency stop switch and operator protection measures to ensure a secure working environment. Additionally, the ergonomic controls are intuitively positioned, promoting operator comfort and reducing fatigue during extended use.

Overall, the Multiquip AR13HAR and AR13HA represent a perfect fusion of power, agility, and safety in compact roller technology. Their impressive features and robust design make them a reliable choice for professionals looking to enhance efficiency and productivity in their compaction projects. Whether it's a small repair task or a larger construction job, the Multiquip AR13 series can deliver results that meet and exceed expectations.