Page 1
For January 2023 & Newer Patcher 4’s Operator/Parts Manual – 56645N Revision O...
Page 2
Fill in the appropriate fields that apply to this machine. Machine S/N: ___________________________________ Engine S/N: ____________________________________ Gear Box S/N: __________________________________...
Patcher 4 Operator/Part Manual Table of Contents Contents 1.0 About This Manual ........................ 1-1 How to use this Manual ....................1-1 2.0 Safety Precautions ....................... 2-1 General Safety ......................... 2-1 Personal Safety ....................... 2-1 Equipment or Operational Safety ..................2-1 California Proposition 65 ....................
Page 7
Patcher 4 Operator/Part Manual Table of Contents Heat Transfer Oil ......................6-1 Mixer Packing Gland Seals ....................6-1 Mixer Shaft Bearings ......................6-1 Material Sensor Tube ....................... 6-1 Lug Nuts .......................... 6-1 Wheel Bearing ......................... 6-2 Brakes ..........................6-2 Tongue Jack ........................6-2 Water Separator......................
Page 8
Patcher 4 Operator/Part Manual Table of Contents Testing the DC Controller ....................8-8 Fuel Solenoid Troubleshooting ..................8-8 Ignition Coil Troubleshooting ................... 8-9 Bleeding the Diesel Burners .................... 8-9 Smoke Coming Out of the Exhaust Stack ..............8-10 Burner Electrode Adjustment ..................8-11 Burner Air Settings .......................
Page 9
Patcher 4 Operator/Part Manual Table of Contents...
Page 10
Patcher 4 Operator/Part Manual List of Figures Figure 5-1 Hydraulic and Diesel Fill Caps ................... 5-2 Figure 5-2 Hydraulic Fluid Level and Temp Gauge ..............5-2 Figure 5-3 Heat Transfer Oil Dipstick ..................5-3 Figure 5-4 Discharge Gate ......................5-4 Figure 5-5 Mixer &...
Page 11
Patcher 4 Operator/Part Manual List of Figures Figure 9-15 Electrical schematic parts list (P/N 26582P4) ............9-26 Figure 9-16 Heated Toolbox Parts List (P/N 57450N) ............... 9-28 Figure 9-17 Optional Material Chute (P/N 56895N)..............9-30 Figure 9-18 Optional Heated Chute (P/N 56890N) ..............9-32 Figure 9-19 Optional Heated Chute Parts List (continued) ............
Page 12
Patcher 4 Operator/Part Manual List of Tables Table 2-1 Safety Symbols and Notices ..................2-3 Table 2-2 Safety Symbols and Notices (continued) ..............2-4 Table 4-1 Machine Specifications ....................4-1 Table 5-1 Preparing the Machine for Start Up................5-1 Table 5-2 Starting the Engine and Burner ................... 5-5 Table 5-3 Loading Material into the Material Tank ..............
Patcher 4 Operator/Part Manual Chapter 1 Introduction 1.0 About This Manual This manual is supplied with each new Crafco Patcher 4. The manual assists your machine operators in the proper use of the Patcher 4 and provides information about the machine’s mechanical functions.
Patcher 4 Operator/Part Manual Chapter 2 Safety Precautions 2.0 Safety Precautions For more in-depth safety information, please see Safety Manual (PN 26221) which comes with the machine. Or contact your nearest authorized Crafco Distributor at crafco.com/Distributors. General Safety • Crafco, Inc. assumes no liability for an accident or injury incurred through improper use of the machine.
Patcher 4 Operator/Part Manual Chapter 2 Safety Precautions California Proposition 65 The state of California currently maintains a list of chemicals that can cause cancer, birth defects or other reproductive harm. Your Crafco, Inc. equipment comes with the following warnings: All Crafco, Inc.
Patcher 4 Operator/Part Manual Chapter 2 Safety Precautions Safety Symbols and Notices Important safety symbols and notices are marked on the machine and in this manual. Failure to comply could result in equipment damage, operational malfunction, severe injury, or death. Please read and comply with all symbols and notices.
Patcher 4 Operator/Part Manual Chapter 3 Warranty Information 3.0 Limited Warranty Crafco, Inc. (Manufacturer), or one of its affiliated distributors, will replace for the original purchaser free of charge any parts found upon examination by the Manufacturer, to be defective in material or workmanship.
Patcher 4 Operator/Part Manual Chapter 3 Warranty Information Warranty Claim Instructions Crafco, Inc. warrants parts and machinery purchased through Crafco or one of its affiliated distributors for two years from the invoice date. Wear items are not covered under the Crafco, Inc. limited warranty.
Chapter 5 Operating Instructions 5.0 Operating Instructions Introduction The Crafco Patcher 4 was developed to melt Crafco TechCrete, Mastic One, Matrix 501 and PolyPatch products. Note: DO NOT attempt to operate the machine without using these and all other instructions.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Altitude Compensation System This unit may be equipped with an Altitude Compensation System. If so, there will be a small, boxed housing mounted on the engine mount cross member. The system is automatic during most operating conditions.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Figure 5-10 Flow Control Knob Dispensing the Material Table 5-4 Dispensing the Material Step Action WARNING Put on protective clothing, gloves, hard-soled shoes, and face shield or safety glasses when operating or filling this machine. Read the entire manual before operating the machine.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Table 5-4 Dispensing the Material (continued) Step Action For the first pour after initial heat up, place a pour bucket under the chute hooking the handle on the end of the chute to hold it. Open the discharge gate and allow the poorly mixed material from the discharge tube to pour into the bucket until nicely mixed material starts to flow, then immediately close the discharge gate.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Storing the Machine Store the machine in an area where moisture cannot enter the heating system, i.e., the heat transfer oil tank, etc. Extended down time can cause moisture to build up in the heating tank. Evidence that moisture has collected in the heat transfer oil is a constant popping noise.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Application Steps Table 5-8 Application Steps Step Action Locate area to be repaired. Calculate the amount of material needed for the repairs. Place bags or cubes of material into the mixer and heat. Start the agitator as soon as possible to break up the bags.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Table 5-9 Application Steps (continued) Step Action Allow this material to cool similar to the first lift - you may not experience as many bubbles this time, but some may appear. When they do, flash them with the torch. If applicable, dry the aggregate dressing prior to placing the material, as wet or damp dressing will not adhere.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Heated Toolbox Operation The Patcher 4 is equipped with a Heated Toolbox that is designed to heat up the tools necessary when making a patch using mastic type materials. Follow the steps below in order to operate the heated toolbox safely.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Table 5-11 Heated Toolbox Operation (continued) Step Action CAUTION The burner should not be left on for extended periods. It is meant to be turned on and off as needed through the job to prevent the overheating of tools and damage to the heated toolbox itself When you are finished using the heated toolbox, turn off the burner switch, and remove the tools and place them in the storage locations towards the front of the...
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Material Tank Depth to Capacity Chart Figure 5-12 Material Tank Depth to Capacity Chart MATERIAL TANK DEPTH TO CAPACITY CHART DEPTH OF CAPACITY IN CAPACITY IN MATERIAL GALLONS LITERS 36.500 1" 3.02 11.43 2"...
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Removing Optional Heated Chute If desired, your Patcher 4 will have a heated chute kit already installed from the factory. If you want to remove the heated chute from the machine, you must follow the steps below, or injury to operators and damage to your machine could result.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Table 5-13 Complete Removal of Optional Heated Chute Step Action WARNING Following this procedure prevents hot oil from getting on operators and causing severe burns. Never operate the machine without the heat transfer oil lines connected correctly.
Patcher 4 Operator/Part Manual Chapter 5 Operating Instructions Mounting a Skid Machine Table 5-14 Mounting a Skid Machine Step Action WARNING The truck needs to be of proper size to hold the loaded weight and size of the machine and any extra material to be carried. The center of gravity of the loaded machine should be above or in front of the rear main axle.
Patcher 4 Part Manual Chapter 6 Maintenance Instructions 6.0 Maintenance Instructions This chapter contains all normal maintenance instructions to properly maintain your machine. Engine Check oil daily. Service engine per the Isuzu owner’s manual. See engine owner’s manual for additional operating and maintenance instructions. Hydraulic System Check hydraulic fluid daily.
Patcher 4 Part Manual Chapter 6 Maintenance Instructions Wheel Bearing Pack the wheel bearing every 24,000 miles or every two years, whichever comes first. Use a good grade of bearing grease. Brakes Check the brakes daily. Tongue Jack Lubricate the tongue jack, using a good grade of bearing grease. Water Separator Check the water separator for excess water in the housing.
Patcher 4 Part Manual Chapter 6 Maintenance Instructions Maintenance Chart Table 6-1 Maintenance Chart Hours Location Procedure Refer to the manufacturer’s Engine check oil level instructions for the engine Engine Radiator Check and clean fins with water Refer to the manufacture’s Other engine maintenance operating and maintenance instructions for the engine.
Patcher 4 Part Manual Chapter 6 Maintenance Instructions Table 6-2 Maintenance Chart (continued) Hours Location Procedure Clean out material drippings. Heated Toolbox Replace chute assembly as needed. PN 57475N If red ring is halfway up the Water Separator body then drain. Adjusting Discharge Gate Check and adjust if leaking Table 6-5 General Maintenance Parts...
Patcher 4 Part Manual Chapter 6 Maintenance Instructions Changing the Heat Transfer Oil Table 6-9 Changing the Heat Transfer Oil Step Action To facilitate easier draining of the heat transfer oil, heat the oil to approximately 100°F (38°C). WARNING Wear proper PPE (safety glasses, face shield, gloves, long sleeve shirt) to prevent bodily injury while servicing the heat transfer oil.
Patcher 4 Part Manual Chapter 6 Maintenance Instructions Adjusting the Discharge Gate Due to normal wear and tear, the discharge gate will need periodic adjustment to keep it sealed. It features a double nut tightening system. If the gate is leaking material excessively, you will need to adjust the nuts so it can re-form a seal when closed.
Patcher 4 Part Manual Chapter 6 Maintenance Instructions Adjusting and Replacing Mixer Shaft Packing Table 6-11 Adjusting and Replacing Mixer Shaft Packing Step Action Bring the Patcher 4 to temperature as preparation to drain the material tank below the mixer shaft level. Drain material until the level is below the mixer shaft so material will not leak out during replacement.
Patcher 4 Part Manual Chapter 6 Maintenance Instructions Cleaning Material Tank and Sensor Area The material tank needs to be cleaned every year or as needed for proper operation. As the machine is used, material builds up around the tank walls and sensor guard. The built up material prevents heat from getting to the fresh material and causes longer heat up times.
Patcher 4 Part Manual Chapter 7 How to Use a Multimeter 7.0 How to Use a Multimeter Crafco machines use 12-volt direct current (DC) to power the burners, and hydraulic valves. The DC power is from a 12-volt battery. 12-volt DC power has little danger of electrical shock. Care must still be taken when dealing with DC power systems because it is capable of producing large amounts of current.
Patcher 4 Part Manual Chapter 7 How to Use a Multimeter Checking Amperage The Multimeter can be used to check amperages under 10 amps in AC or DC current. Figure 7-1 Standard Multimeter Audible Continuity Ohms Ω • Wire connections •...
Patcher 4 Part Manual Chapter 8 Troubleshooting 8.0 Troubleshooting Burner Troubleshooting Symptom: Burner will Not Ignite Table 8-1 Burner Basic Visual Troubleshooting Step Possible Cause If . . . • Start Troubleshooting at the control box. Is Yes, go to Step 2. the engine running? •...
Page 62
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-2 Burner Electrical Troubleshooting Part 1 Step Possible Cause If . . . • Is the "BURNER" toggle switch in the "ON" Yes, go to Step 1a. position? • No, turn the main power switch to the "ON"...
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-2 Burner Electrical Troubleshooting Part 1 (continued) Step Possible Cause If . . . • Are both the Material and Hot Oil readouts Yes, go to Step 3. displaying a three-digit number? •...
Page 64
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-2 Burner Electrical Troubleshooting Part 2 Step Possible Cause If . . . • Yes, go to Step 4. Is there 12Vdc between the yellow and black wires at the burner plug? •...
Page 65
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-2 Burner Electrical Troubleshooting Part 2 (continued) Step Possible Cause If . . . • Yes, replace PAKSTAT. Is there 12Vdc between terminal #6 grey wire and terminal #5 black wire of the material •...
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-2 Burner Electrical Troubleshooting Part 2 (continued) Step Possible Cause If . . . • Yes, check for loose or broken wires Is there 12Vdc between the red wire on top-left terminal of ignition switch and nearby ground between of ignition switch and bottom source (black wire)? terminal of circuit breaker.
Patcher 4 Part Manual Chapter 8 Troubleshooting Testing the DC Controller Table 8-4 Testing the DC Controller Step Bench Test DC Controller Remove all wire nuts attaching the DC Controller to the burner. Attach the black ground wire to the negative battery post. Attach the red wire to the positive battery post.
Patcher 4 Part Manual Chapter 8 Troubleshooting Ignition Coil Troubleshooting Table 8-6 Ignition Coil Troubleshooting Step Ignition Coil Test Make sure the burner is off. Check resistance between each of the springs and the ground (exposed metal on the burner). The meter should read less than 2000 ohms.
Patcher 4 Part Manual Chapter 8 Troubleshooting Smoke Coming Out of the Exhaust Stack Table 8-8 Smoke Coming Out of the Exhaust Stack Step Smoke Coming Out of the Exhaust Stack White smoke indicates that there is too much air being forced though the burner. Loosen the Air Shutter screw and rotate the Air Shutter clockwise to increase air and counterclockwise to reduce air.
Patcher 4 Part Manual Chapter 8 Troubleshooting Material is Heating Slowly Table 8-10 Material is Heating Slowly Step Material is Heating Slowly With the material level half or less, open the loading lid and inspect the inside edge of the material tank.
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-12 Mixer Basic Visual Troubleshooting (continued) Step Possible Cause If . . . • Yes, this can cause the agitator to jam. Use Open the Material loading door. Are there more than six (20) un-melted blocks in the the mixer toggle switch to move the agitator tank? forward and backward until the material...
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-14 Mixer Electrical Troubleshooting (continued) Step Possible Cause If . . . • Yes, go to Step 5. Is there 12Vdc between the "Mixer" toggle switch center post green wire and the main •...
Patcher 4 Part Manual Chapter 8 Troubleshooting Table 8-15 Mixer Electrical Troubleshooting (continued) Step Possible Cause If . . . • Yes, go to Step 11. Is the din plug light "ON" when the "Mixer" is in the "C ’Clockwise" position? •...
Patcher 4 Part Manual Chapter 8 Troubleshooting Mixer Hydraulic Troubleshooting Table 8-16 Mixer Hydraulic Troubleshooting Step Possible Cause If . . . • Yes, go to Step 2. Does the coil magnetize when the din plug green light is "ON"? •...
Patcher 4 Part Manual Chapter 8 Troubleshooting RTD Sensor Ohms vs. Temperature Table 8.15 below shows what the ohm reading should be for a given temperature. The following are the instructions for using the table. 1. Measure the resistance (ohms) of the sensor in question with an ohm meter. 2.
Patcher 4 Part Manual Chapter 9 Illustrated Parts List 9.0 About the Illustrated Parts List The Illustrated Parts List (IPL) is designed to help technical service or maintenance personnel correctly identify orderable replacement parts. The figure and table titles reference the part number (PN) to which they apply. The PN’s for each of the Patcher 4 models are as follows: Patcher II PN 56700 Illustrations and pictures are designed to show general shape and size of a part and the relationship...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-1 Right Iso View Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.1 32246 CHUTE SCRAPER ASSEMBLY 32258 TANK SCRAPER ASSEMBLY 32243 TECHCRETE IRONING WAND ASSEMBLY 56679N VENT COVER 57440N FUEL TANK ASSEMBLY, 32 GALLON DOT 47129N ENGINE ASSY, 3CJ1, D.E.C, NO GEN...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-3 Top Section View Parts List FIG. ITEM PART NO. DESCRIPTION Fig.9.3 38020N JUNCTION BOX, TRAILER LIGHT BATTERY CABLE, BLACK, 4 GA X 15” L 24010 BATTERY CABLE, BLACK, 6 GA X 24” L 37038 56807 HYDRAULIC PUMP...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Fuel and Hydraulic Tanks Parts List Figure 9-4 Fuel and Hydraulic Tanks Section View Table 9-4 Fuel and Hydraulic Tanks Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.4 43732N CAP, NON-VENTED, DIESEL FUEL TANK SECTION B-B 43734N VENT FUEL TANK SAFETY...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-5 Engine Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.5 47129N ISUZU 20 HP 3CJ1 ENGINE, D.E.C. NO GEN. 47158N RADIATOR KIT 47149N CHECK VALVE 41867 FUEL FILTER, ENGINE 29399 ENGINE ISOMOUNT 47150...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-7 Hydraulic Parts List (continued) ITEM PART NO. DESCRIPTION Fig. 9.7 “T” RETURN LINE HYDRAULIC VALVE "OUT" PORT 5/8" TUBE X 5/8" STD. THRD. O-RING STR 29812 8M3K 8G-10FJX 8G-10FJX90S 28.75 25 HYD HOSE X 28 3/4"...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Hitch Parts List Figure 9-9 Hitch Table 9-9 Hitch Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.9 31512 CIRCUIT BREAKER 52310 WIRE ASSY, CIR. BRKR. TO BATT 48” X 3/8” CHAIN 20130 20132 SHACKLE CONNECTING LINK...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Control Box Parts List (P/N 47265N) Figure 9-13 Control Box Parts List (P/N 47265N) MATERIAL PAKSTAT HTO PAKSTAT TO REAR PANEL WORK SAFETY LIGHTS LIGHTS TH1-13 BLK-1 NC NC ORN-1 WHT/RED-1 BRN-CH1-P W1RD04-01 RED-3...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Electrical Wiring Harness Parts List Figure 9-14 Electrical Wiring Harness Parts List Table 9-14 Electrical Wiring Harness Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.14 38235N HARNESS, MACHINE, PTCHR 4 (SHOWN IN GREEN) 38504N TRAILER LIGHT HARNESS...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Electrical Schematic Parts List Figure 9-15 Electrical schematic parts list (P/N 26582P4) LICENSE CENTER PLATE MARKER LAMP LAMP TOOLBOX BURNER GRN/WHT SWITCH SAFETY LID SWITCH RED/BLK WORK LIGHT AND SAFETY LIGHT WIRES TUCKED INTO HARNESS WHT/BLU (WORK) SAFETY...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-15 Electrical Schematic Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.15 32371 LED CENTER MARKER LAMP 44797 LICENSE PLATE LIGHT 39566 SINGLE POLE SWITCH 39608 AUTOSTOP LID SWITCH 43465 RTD SENSOR 45376 DIN PLUG, W/ CABLE...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-16 Heated Toolbox Parts List (P/N 57450N) FIG. ITEM PART NO. DESCRIPTION Fig. 9.16 57475N FUNNEL AND CHUTE ASSY, INSULATED 57463N INNER SIDE PANEL, SS, (1 IS ATTACHED TO DOOR) 57476N INNER BOTTOM/FRONT PANEL, SS 57474N...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-21 Hydraulic Schematic for Optional Heated Chute Parts List (continued) ITEM PART NO. DESCRIPTION Fig. 9.21 “T” RETURN LINE HYDRAULIC VALVE "OUT" PORT 5/8" TUBE X 5/8" STD. THRD. O-RING STR 29812 8M3K 8G-10FJX 8G-10FJX90S 28.75 25 HYD HOSE X 28 3/4"...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-22 Heated Chute Pump and Motor Assembly Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.22 22303 HYD. MOTOR MNTG BRACKET 40311 STRAIGHT THREAD ADAPTER 22302 HYDRAULIC MOTOR 1/4-28 X 5/8” HEX SCREW 28850 1/4”...
Patcher 4 Part Manual Chapter 9 Illustrated Parts List Table 9-23 Options Parts List FIG. ITEM PART NO. DESCRIPTION Fig. 9.23 24095K MAST MOUNTED STROBE LIGHT, CLASS II 24095KCL1 MAST MOUNTED STROBE LIGHT, CLASSI/CA TITLE 13 VARIOUS SAFETY & WORK LIGHTS, SEE SALES BROCHURE 45535 ENGINE COVER 45599...
Need help?
Do you have a question about the Crafco Patcher 4 and is the answer not in the manual?
Questions and answers