Model BC-4
Unibelt Patcher – Specifications
Model BC-4
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These specifications describe a self-contained patch unit, which is permanently mounted to a truck chassis to be used for patching with hot asphalt.
Container:
Unit shall be 4 cubic yards
Double wall constructed
2” – 6 lb. density insulation throughout
3/16 GA HR steel interior sides, 10 GA HR steel exterior
Top loading lids have expansion corrugations
Top loading doors are 2” double wall constructed
Single hinged top lids open into a V with inside surface acting as a funnel
Flame cut upper pivot arms for top lids
All doors hydraulically operate by 2” x 11” stroke cylinders
Material funneled to center of container
Hydraulic system shall operate at 1500 PSI
Hydraulic controls located at right rear corner of container
Sloping floor shall not be less than 45° from horizontal
Material shall be discharged by a belt over chain, 24” wide conveyor system
Conveyor system shall include high temperature, heavy duty, multiply, 18” wide Kevlar® belt riveted onto every other crossbar by four rivets
Belting shall have WearGuard® coating and sealed ends for lacing
Belt ends are spliced together with screw attached splicer bar
Belt shall be reinforced and designed to withstand 800ºF and harsh cleaning solvents
Chain shall have crossbars on every other chain link of conveyor and shall have sprockets with a 1¾” shaft
Conveyor is driven through a gearbox by a hydraulic motor
Forward and reverse controls
3/8” Pintle chain shall be driven by a 25:1 right angle gearbox, and hydraulic high torque motor
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
Hand Torch:
Pilot with valve control
Capacity of 200,000 BTU
25 foot hose supplied
Shoveling Apron: Model 5
Constructed of 10 GA HR steel
Folding bottom for material to bypass freely
Mounted on rear of container
Emulsion Spray Unit: Model BH-153-21
Emulsified Asphalt spray and storage system mounted on truck chassis for applying tack coat.
Tank:
Two compartment tank
Storage capacity 130 gallon emulsion and 20 gallon solvent
10 GA steel with bottom reinforced
6” curbside filler cap
Tank dimension 72”W x 16”L x 30”H
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
Heater:
Internal serpentines of 1” steel tubing to circulate water from truck engine
Truck engine cooling system as a heat source
Two 5/8” coolants hose
System will have a temperature control valve at tank with thermometer
0°F – 300°F
Auxiliary Electric Heat:
Equipped with 110 VAC heat system
Overnight heating, controlled by temperature sensor
Heating elements shall be low-density stainless steel
Mounting:
Space required for mounting of tank is 22”
Spraying system shall be mounted in front of dump body
Mounting shall be accomplished with 2 full length mounts
Spring bolsters on one side of tank
Bolting to frame shall consist of 3 each side, ½”
No welding on truck frames will be accepted
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
It shall be remote mounted for ease of maintenance
Mechanically actuated from right rear of body
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
Mounted under patcher body
Necessary valves for draining and cleaning
OPTIONAL EQUIPMENT
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
Compactor Lift Platform:
PB model 640
Constructed of 3/16” one piece formed plate with 2” lip on back and sides
1” pipe font pipe stop and two 2” channel rear stops, Reinforced with 3/16 HR angle on side corners
Cylinder 1½” x 18” stroke, two 6” x 4” tube outside supports and 4” x 4” tube inside with internal rollers, located at rear unit
Optional Bomag roller locking bracket
Roller Transport Device:
Rear mount lifting rack with two hydraulic 36” stokes cylinders. Designed to lift and carry single drum walk behind rollers
Hydraulic Tool Circuit:
25 foot dual hose
Quick couplers
Flow meter
Engine throttle control to be provided by chassis manufacturer
Relief valve
Pressure gauge
Hydraulic Tools:
Stanley BR67 Breaker
Asphalt cutter
Detachable shank with pad
35 lb., 45 lb., 72 lb., 87 lb. breaker sizes available
Tool Box:
Lockable, 18”W x 36”L x 18”H
Additional sizes and configuration available
Tool Basket:
Expanded metal with Angle iron framed mounted on left side of unit
15”W x 96”L x 8”H
Lockable Tool Basket:
Enclosed expanded metal with Angle iron framed mounted on left side of unit
Two drop down doors with lockable SS T-handle latches
Optional solid 10 GA skin available
Spoils Bin:
18” cubic yard, cross frame spoils bin or 24”, 30”, 36” wide bins
Constructed of 10 GA HR steel doors on each side to discharge material
Hydraulic Spoils Bin:
Hydraulic dumping spoils bin, ½ cubic yard 36” wide frame mounted
For easy low profile loading
Side and Rear Spoils Bin:
Two ½ cubic yard spoils bin one mounted on curb side of hopper and one mount at rear on street side with sloped floors to discharge material
Optional hydraulic raise and lower available for rear bin for easy loading
Solvent Pump:
12 VDC pump
Connected to solvent side of tank
25 foot hose with wand
Used for cleaning tools
Cab Controls:
Inside cab controls, air actuated
Operates top lids, and/or rear door, conveyor
(Subject to air availability on chassis)
Dual Controls:
Additional set of air actuated controls on left side at rear
(Subject to air availability on chassis)
Air Blow Gun:
25 feet, 3/8” hose and wand
(Subject to air availability on chassis)
Arrow Board:
(10) light board LED
Arrow – left, right, or both
Mounted at rear of unit
Thermometer:
0°F – 300°F
Air Compressor:
Vanair Hydraulic, 40 CFM
Vanair PTO under deck 160 CFM
Air Tools:
60 lb. and 90 lb. Breakers
Asphalt cutter
Detachable shank with pad
Hose Reels:
Emulsion spray hose reel
Hand torch hose reel
Solvent hose reel
Air blow gun hose reel
Dual hose reel for hydraulic jackhammer
All reels are designed to accommodate 25 foot hoses
Air hammer hose reel, 50 foot
LPG Tank:
25 gallon upright (portable) tank or 35, and 50 gallon horizontal frame mounted tank
Horizontal tanks comes equipped with fill gauge and quick fill port
Sanding Attachment:
Equipped with broadcasting spinner
(6) formed polyurethane vanes
Spread width (4) feet to (40) feet
In cab controls
Pivotal Asphalt Chute:
Chute to be mounted at rear with 180° – 110° pivot, depending on rear mount accessories
Optional tilt adjustment available
Side Discharge Conveyor:
12″ conveyor, hydraulic driven
5 foot in length
Forward and reverse controls
Pivotal at rear
Tool Holders:
Cone holders
Asphalt lute and shovel holders
Lockable hammer holder
8 gallon water tank with hose and spigot, or 15 gallon tank with pump and hose
Safety Equipment:
Fire extinguisher 5 lbs., 10 lbs., 20 lbs.
Triangle kit
5 gallon igloo with mounting bracket
LED taillights
Backup alarm
Cross Frame Work Deck:
12” x 96” safety grip decking with ladder and hand rails
20” x 96” safety grip decking with ladder and hand rails
Custom sizes available
Compactor Plates:
Wacker WP1550AW HONDA
Mikasa MVC90L
MBW – AP2000H
Walk-Behind Rollers:
Wacker RSS800A Honda Engine
BOMAG BW55E
Arrow Boards, Beacon and Flashers LED:
Whelen
PSE Code 3
Other brands available
Work Lights
Air Pressure Type Emulsion Spray System:
Model CS-45, 30 gallons; Model CS-65, 50 gallons; Model CS-144, 119 gallons;
Model CS-220, 205 gallons
Pump Type Emulsion Spray System Options:
Model BH-205-28, 177 gallons (Custom sizes available)
2” insulated tank
Clean out panel 10” x 14”
GENERAL TRUCK SPECIFICATIONS – AC3 ASPHALT PATCHER
Chassis:
Conventional or tilt cab
GVW – 33,000 lbs.
Cab to axle – 102″ minimum – 120″ minimum with spoils bin
Reinforced frame
Transmission:
Allison 3000 series
Switches:
Electric over electric PTO switch and light switches as required for provided safety lighting
