Model B-4SM
Unibelt Patcher – Specifications
Model B-4SM
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These specifications describe a self-contained patch unit which is a “slide in” unit to be used for patching with hot asphalt.
Container:
The unit shall be 4 cubic yards
Double wall constructed
2” – 6 lb. density insulation throughout
10 GA HR steel interior sides, 10 GA HR steel exterior
The floor shall be ¼” HR steel
Flat bottom floor across the full width and length of the hopper
Interior walls of loading lids have expansion corrugations
Top loading doors are 2” double wall constructed
Single hinged top lids open into a V with the inside surface acting as a funnel
Material funneled to center of container
Flame cut upper pivot arms for top lids
Two rear doors, each hydraulically operated independently by a 2” x 11” stroke cylinder
Hydraulic controls located at right rear corner
Hydraulic system is powered by an 8 H.P. LPG engine
Starter generator with 12 volt, 50 AMP battery
Width of box is 74” O.D.
Length of box is 120” O.D.
Patcher is designed to fit into 10 ft. dump body
Loading and Unloading:
Patcher shall have freestanding legs
Shall be loaded and unloaded from truck dump body without ancillary equipment
Radiant Heater:
Heat tubes located under container
Interior heat chamber has passageways to direct heat
Passageways separate from heat chamber
Chamber totally enclosed inside container
Two propane fueled casted manifold burners with flume adjustment
Rating of 67,000 BTU each @ pressure of 10 PSI
Controlled by thermostat range of 100°F – 300°F
12 volt electronic igniters
100% fuel shut off if burner is extinguished
Burner area fully enclosed and located at front of unit safely away from rear operation
OPTIONAL EQUIPMENT
Hand Torch:
Pilot with valve control
Capacity of 200,000 BTU
25 foot hose supplied
Shoveling Apron: Model 5
Constructed of 3/16 HR steel
Folding bottom and wings for material to bypass freely
Mounted on rear of container with a 26” shoveling height
1/3 cubic yard capacity
Emulsion Spray Unit: Model BH-30-6
Emulsified Asphalt spray and storage system mounted on patcher for applying tack coat.
Tank:
Two compartment tank
Storage capacity 24 gallon emulsion and 6 gallon solvent
10 GA steel with bottom reinforced
6” curbside filler cap
4” clean out on curb side near tank bottom
Tank shall be vented
Removable fill basket strainer
Y strainer at discharge of tank before material enters pump
Capable of switching from emulsion to solvent with one valve lever
Auxiliary Electric Heat:
Equipped with 110 VAC heat system
Overnight heating, controlled by temperature sensor
Heating elements shall be low-density stainless steel
Mounting:
Spraying system shall be mounted on left hand side of unit
Pump:
Rotary gear pump
Output of 10 gallons per minute of 600 R.P.M.
Pumps shall be hydraulic driven
All valves shall be high pressured
Remote mounted for ease of maintenance
Mechanically actuated from right rear of unit
Pump shall be reversible to draw material back to tank
Pump shall be driven by a torque motor, which has 5.9 CID
Spray Wand and Hose:
System should be plumped to curbside rear of truck
3/8” diameter 5 feet long steel application wand shall be supplied
25 feet of ½” diameter oil resistant hose
A brass changeable nozzle at spray tip
Wand storage brackets
Drip Pan:
10 gallon drip pan/waste oil combination
Necessary valves for draining and cleaning
Auxiliary Electric Heat Patcher:
Low density electric heat
Minimum 6KW, 240 VAC thermostatically controlled
100°F – 300°F
Weatherproof Panel
Overnight heating of asphalt
25 foot power cord
Solvent Pump:
12 VDC pump
Connected to solvent side of tank
25 foot hose with wand
Used for cleaning tools
(Required emulsion system)
Arrow Board:
(10) light board LED
Arrow – left, right, or both
Mounted at rear of unit
Thermometer:
0°F – 300°F
Hose Reels:
Emulsion spray hose reel
Hand torch hose reel
Solvent hose reel
All reels are designed to accommodate 25 foot hoses
LPG Tank:
25 gallon upright (portable) tank
Tool Holders:
Asphalt lute and shovel holders
Safety Equipment:
Fire extinguisher 5 lbs.
LED taillights
Arrow Boards, Beacon and Flashers LED:
Whelen
PSE Code 3
Other brands available
Work Lights