AR13D RIDE-ON ROLLER — GENERAL INFORMATION

The AR13D roller has been designed for asphalt application and compaction of granular soils used in site preparation. Use the machine only for the purpose intended and by experienced personnel who understand this operating manual and all safety decals. Typical applications for this roller are driveways, patch work and road repairs. Standard features included with this roller are articulated steering, double drum hydrostatic drive, front drum vibration, high curb clearance and on board water capability.

POWER PLANT

The AR13D roller is powered by a Brigss & Stratton DM 850D, liquid cooled, diesel engine rated at 23.6 hp @3,600 rpm. The engine is of a lightweight design and is exceptionally well balanced for low vibration.

HYDRAULIC SYSTEM

The Brigss & Stratton DM 850D diesel engine drives an axial hydraulic, variable displacement pump which is manually controlled via a cable control system. Pump flow is directed through an aluminum block manifold which provides the control for the 3 hydraulic motors.

The hydraulic drum drive system incorporates a parallel closed loop configuration operating at a maximum pressure of 2,900 psi. In addition this hydraulic system offers a "free wheel valve" which allows the roller to be towed in the event of an emergency.

COMPACTION SYSTEM

The compaction force is delivered by a 36-inch wide steel drum with beveled edges to help prevent asphalt marring. A fully enclosed hydrostatic drive system offers a variable speed control as well as smooth acceleration and braking.

Connected to the axial hydraulic pump is a gear pump that provides power for the drum vibratory system and the articulating steering system. Oil from this pump flows to the manifold control valve block and then to a hydraulic motor which rotates the eccentric weights inside a sealed housing containing oil to lubricate the bearings.

A pushbutton switch located on top of the gearshift lever when pressed activates a hydraforce valve that engages or disgages the vibratory action. The drum's vibratory action generates 3,100 lbs. (1,406 Kg.) of centrifugal force at a frequency of 4,000 vpm (vibrations per minute). If the vibration appears to be weak or slow, allow the machine to warm-up thoroughly, and check the hydraulic oil level. Add hydraulic oil if necessary.

The vibrator housing and drum are shock mounted to isolate the engine compartment and operator from vibration.

The roller nominally has an operating weight of 3,088 lbs (1,400 Kg.), but can be increased to 3,309 lbs (1,500 Kg.) by adding water ballast to the rear drum.

HYDRAULIC OIL FILTER SYSTEM

The hydraulic system oil is filtered by a screen type filter located in the reservoir filler neck, then doubled filtered within the system first by a 40 micron mesh-type suction filter located in the tank and the by a Zinga 10 micron, cartridge style spin-on return line filter.

ARTICULATED STEERING SYSTEM

Power for the articulated steering system, which uses a single hydraulic cylinder is provided by the gear pump. This steering system can produce an inside turning radius of 109 inches (2.77 meters).

SPRINKLER SYSTEM

A 40 gallon (152 liters) water tank with a gravity feed spray bar is provided for wetting the roll for asphaltic pavement rolling.

The water system is fully adjustable from the operator’s position by adjusting the two water valves. The front valve controls the water supply to the front drum, and the rear valve controls water to the rear drum.

Before starting an asphalt rolling job, be sure all spray bar holes are clear of dirt or foreign matter and are working. Always use clean fresh water in the water tank.To prevent rust and foreign debris from clogging the spray bar holes, drain and flush water tank and spray bars every 30 days.

LIFTING THE ROLLER

When lifting of the roller is required, attach a suitable hook or shackle to the lifting eye of the roller. These lifting points (4) are marked by a lifting hook decal. Make

sure the lifting device is capable of lifting 4,000 lbs. (1,814 Kg).

DANGER - Clear Obstacles from Area

Before operating the roller, make sure that personnel and obstacles are free from the roller’s path. Serious injury or even death can result!

The forward-reverse control lever operates the hydrostatic pump which governs the roller speed and direction of travel.The speed in which movement of this lever is made is directly related to the amount of pressure that is applied to the travel lever in each direction.Travel speed is infinitely variable from 0 to 4.8 mph.The neutral position of this lever will cause the roller to stop.

PAGE 16 — AR13D RIDE-ON TANDEM DRUM ROLLER — OPERATION & PARTS MANUAL — REV. #2 (09/15/11)

Page 16
Image 16
Multiquip manual AR13D RIDE-ON Roller General Information, Power Plant