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

Page 39
Image 39
Multiquip AR13HAR manual Troubleshooting engine

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.