Model AC-4TM
Unibelt Patcher – Specifications
Model AC-4TM
Click here to download as a word document.
These specifications describe a self-contained patch unit which is permanently mounted to a trailer 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 doors shall be hydraulic operated by 2” x 11” stroke cylinders
Top lids are 2” double wall constructed
Flame cut upper pivot arms for top lids
Material is funneled to center of container
Hydraulic system is powered by a 20 H.P. LPG. engine
Starter generator with 12 volt, 50 AMP battery
Hydraulic controls located at right rear corner of container
Material discharged by auger conveyor system
Auger shall be 6” wide by 10 feet in length
Auger to be supported at each end with sealed bearings
Auger shall have ¼” AR400 flights
Single Gear hydraulic motor
Forward and reverse controls
Unit shall have an asphalt agitator to break up asphalt bridging due to vibratory compaction
Flanged bearings at each end of shaft, driven by a hydraulic motor
Hydraulic system is powered by a 25 H.P. LPG engine
Starter generator with 12 volt 50 AMP battery
Trailer:
Tandem Axle
Single wheel, 18,000 lb. GVW trailers with electric brakes
Axles shall have leaf springs and oil bath seals
Four 17.5” one piece steel rim with 215/ 75R 17.5 – 16 ply tires
Constructed of 3” x 6” x ¼” rectangular tubing with a 10,000 lb. landing
Gear type jack
3” I.D. adjustable height pintle hitch eye
Two 3/8” safeties chain
Connector and two integral tails, stop, and turn lights mounted on frame
Optional surge brakes
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
Shoveling Apron: Model 5
Constructed of 10 GA HR steel
Folding bottom for material to bypass freely
Mounted on rear of container
OPTIONAL EQUIPMENT
Hand Torch:
Pilot with valve control
Capacity of 200,000 BTU
25 foot hose supplied
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 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 rear of unit
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
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
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” cross frame spoils bin or 24”, 30”, 36” wide bins
Constructed of 10 GA HR steel doors on each side to discharge material
Solvent Pump:
12 VDC pump
Connected to solvent side of tank
25 foot hose with wand
Used for cleaning tools
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
Air blow gun hose reel
Dual hose reel for hydraulic jackhammer
All reels are designed to accommodate 25 foot hoses
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
Pivotal Asphalt Chute:
Chute to be mounted at rear with 180° – 110° pivot, depending on rear mount accessories
Optional tilt adjustment available
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
Custom sizes available
Compactor Plates:
Wacker WP1550AW HONDA
Mikasa MVC90L
MBW – AP2000H
Walk-Behind Rollers:
BOMAG BW55E
VIBCO GR-1600H
Arrow Boards, Beacon and Flashers LED:
Whelen
PSE Code 3
Other brands available
Work Lights
Pump Type Emulsion Spray System Options:
Model BH-45-10, 35 gallons
Model BH-153-21, 132 gallons
(Custom sizes available)
2” insulated tank
Clean out panel 10” x 14”
