Multiquip manual MVH-402GHB -TROUBLESHOOTING, Engine Troubleshooting

Page 24

MVH-402GHB —TROUBLESHOOTING

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following thediagnosis based on the Engine Troubleshooting (Table 8) information shown below and on the proceeding pages. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.

TABLE 8. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

Spark plug bridging?

Check gap, insulation or replace spark plug.

 

 

 

Difficult to start, "fuel is available, but no

Carbon deposit on spark plug?

Clean or replace spark plug.

 

 

 

 

SPARK at spark plug".

Short circuit due to deficient spark plug

Check spark plug insulation, replace if worn.

 

insulation?

 

 

 

 

 

 

Improper spark plug gap?

Set to proper gap.

 

 

 

 

ON/OFF switch is shorted?

Check switch wiring, replace switch.

 

 

 

 

Ignition coil defective?

Replace ignition coil.

Difficult to start, "fuel is available, and

 

 

Improper spark gap, points dirtry?

Set correct spark gap and clean points.

SPARK is present at the spark plug".

 

 

Condenser insulation worn or short

Replace condenser.

 

 

circuiting?

 

 

 

 

 

 

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.

Difficult to start, "fuel is available, spark

 

 

Water or dust in fuel system?

Flush fuel system.

is present and compression is normal"

 

 

 

Air cleaner dirty?

Clean or replace air cleaner.

 

 

 

 

Suction/exhaust valve stuck or protruded?

Re-seat valves.

 

 

 

 

Piston ring and/or cylinder worn?

Replace piston rings and or piston.

Difficult to start, "fuel is available, spark

 

 

Cylinder head and/or spark plug not

Torque cylinder head bolts and spark plug.

is present and compression is low"

tightened properly?

 

 

 

 

 

 

Head gasket and/or spark plug gasket

Replace head and spark plug gaskets.

 

damaged?

 

 

 

 

 

 

Fuel not available 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 filter clogged?

Replace fuel filter.

 

 

 

 

Fuel tank cap breather hole clogged?

Clean or replace fuel tank cap.

 

 

 

 

Air in fuel line?

Bleed fuel line.

 

 

 

PAGE 24 — MQ-MIKASA MVH-402GHB PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #0 (12/17/03)

Image 24
Contents MVH-402GHB Page Heres HOW to GET Help Table of Contents Parts Ordering Procedures MVH-402GHB Specifications MVH-402GHB Reversible Plate Compactor SpecificationsMVH-402GHB Dimensions MVH-402GHB Safety Message Alert Symbols Seriously injured if you do not follow directionsAlways wear approved respiratory protection Always wear approved eye and hearing protectionThis reversible plate compactor MVH-402GHB Rules for Safe Operation Loading and Unloading Crane Never lift the machine while the engine is runningTransporting Always know the location of the nearest first aid kitMVH-402GHB Operation and Safety Decals Plate Compactor Vibratory PlatesReversibleVibratory Plates Frequency/SpeedMVH-402GHB Plate Compactor Components Smoothly Starting section of this manualFlow of fuel MixtureMVH-402GHB PRE-INSPECTION Before StartingChecking Engine Oil Level Checking The FuelAdjusting Handle Height Throttle Lever StartPlace the engine ON/OFF switch in the on position MVH-402GHB OperationTraveling Turn the engine ON/OFF switch to the OFF position Figure StoppingStowing the Handle MVH-402GHB Maintenance Inspection and Maintenance Service TablesDaily Service Check for leakage of fuel or oilRemove and clean the spark plug Figure Spark PlugAir Filter Reinstalling the V-belt Checking and Replacing the V-Belt and ClutchChecking Clutch Replacing ClutchBattery Maitenance Battery Cable ConnectionReplacing Hydraulic Oil MVH-402GHB -TROUBLESHOOTING Engine TroubleshootingMVH-402GHB -TROUBLESHOOTING Troubleshooting Compactor Page Items Found In the Remarks Column Items Found In the Items Number ColumnSuggested Spare Parts DescriptionMVH-402GHB Decal Placement Part Name QTY. Remarks MVH-402GHB -VIBRATING Plate Assy Part Name QTY MVH-402GHB Base and Engine Assy BOLT, Socket Head 10x80 T BOLT, Socket Head 10x90 TMVH-402GHB -VIBRATOR Assy Vibrating Case MVH-402GHB -VIBRATOR Assy Stop Ring S-10 MVH-402GHB Hydraulic System Assy Breather Joint Elbow PT1/4- PF3/8 1034MVH-402GHB Control Handle Assy Part Name MVH-402GHB Control Assy Part Name QTY Remarks MVH-402GHB Battery Assy MVH-402GHB Battery Assy Honda GX390K1SMX2 Engine AIR Cleaner Assy GASKET, Elbow Honda GX390K1SMX2 Engine Camshaft Assy ROD, Push Honda GX390K1SMX2 Engine Carburetor Assy Honda GX390K1SMX2 Engine Carburetor Assy 106015ZE8005Honda GX390K1SMX2 Engine Control Assy ARM, Governor Honda GX390K1SMX2 Engine Crankcase Cover Assy PACKING, Case Cover Honda GX390K1SMX2 Engine Crankshaft Assy CRANKSHAFT, Q-TYPE Honda GX390K1SMX2 Engine Cylinder Barrel Assy Switch ASSY.,OIL Level Honda GX390K1SMX2 Engine Cylinder Head Assy GUIDE, Valve OS Optional Honda GX390K1SMX2 Engine FAN Cover Assy CLIP, Tube Honda GX390K1SMX2 Engine Flywheel Assy FAN, Cooling Honda GX390K1SMX2 Engine Fueltank Assy TUBE, Fuel 4.5X3000 Honda GX390K1SMX2 Engine Ignition Coil Assy Coil ASSY., Ignition Honda GX390K1SMX2 Engine Muffler Assy Muffler 100DB Honda GX390K1SMX2 Engine Piston Assy Ring SET, Piston STD Honda GX390K1SMX2 Engine Recoil Starter Assy PULLEY, Recoil Starter Labels Assy Emblem Terms and Conditions of Sale Parts Page Technicalassistance

MVH-402GHB specifications

The Multiquip MVH-402GHB is a state-of-the-art vibratory plate compactor designed for optimal performance in various compaction applications. Known for its robust build and high efficiency, this piece of equipment is ideal for landscaping, road construction, and site preparation tasks. The MVH-402GHB is engineered to deliver outstanding results, making it a reliable choice for both contractors and DIY enthusiasts.

One of the standout features of the MVH-402GHB is its powerful Honda engine. This reliable 4-stroke engine delivers excellent performance while ensuring low fuel consumption and reduced emissions. The efficient engine allows for prolonged operation without frequent refueling, which is a significant advantage on larger job sites.

In terms of performance, the MVH-402GHB boasts a compaction force of up to 4,500 pounds, making it capable of compacting various materials including soils, gravel, and asphalt. Its operating weight of around 220 pounds provides balance and stability during operation, allowing for efficient maneuverability even in tighter spaces. The unit can reach a travel speed of approximately 80 feet per minute, enabling operators to cover larger areas more effectively.

The MVH-402GHB features advanced technology that enhances its usability. The integrated water tank allows for better dust control and cooling of the plate, ensuring that the surface remains moist for optimal compaction without damaging the material. Additionally, the compactor's ergonomic design includes a foldable handle, making it easy to transport and store. This focus on user-friendliness is complemented by a vibration-dampening design, which minimizes operator fatigue during extended use.

The construction of the Multiquip MVH-402GHB emphasizes durability and longevity. It is built with heavy-gauge steel and features a reinforced frame, ensuring it can withstand the rigors of daily use. The base plate is designed for maximum contact with the surface, further enhancing compaction efficiency.

In summary, the Multiquip MVH-402GHB is a top-tier vibratory plate compactor that combines power, efficiency, and user comfort. Its Honda engine, impressive compaction force, and thoughtful design features make it an essential tool for professionals and enthusiasts alike. Whether you are working on a small landscaping project or a larger construction site, the MVH-402GHB delivers reliable and high-quality compaction results.