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Summary of Contents for Demco HT 20
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Page 1: Specifications / General Information
8H000018, Rev AE 10/23 COMBINE HEADER TRANSPORT Standard Duty HT 20’ HT 24’ HT 28’ HT 32’ HT 38’ HT 42’ HT 48’ HT 52’ SERIAL NUMBERS: 12659 - ABOVE... -
Page 2: Table Of Contents
Table of Contents Introduction/General Information ....................3 Safety ............................4-6 Safety Decals ..........................7 Bolt Torque Requirements ......................8 Wheel Nut Torque Requirements ....................9 6K Front Idler Suspension & Hub Breakdown ................10 6K Front Brake Suspension & Hub Breakdown................. 11 TABLE OF CONTENTS 7K Front Idler Suspension &... -
Page 3: Introduction/General Information
INTRODUCTION Thank you for purchasing Demco Combine Head Transport. We feel you have made a wise choice and hope you are completely satisfied with your new brackets. Proper care and use will result in many years of service. WARRANTY POLICY, OPERATOR MANUALS, PARTS MANUALS & REGISTRATION Go online to www.demco-products.com to review Demco warranty policies, operator manuals and register your... -
Page 4: Safety
SAFETY SAFETY...YOU CAN LIVE WITH ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Safety is a primary concern in the design and • Train all new personnel and review instructions manufacture of our products. Unfortunately, our efforts frequently with existing workers. A person who has not to provide safe equipment can be wiped out by an read and understood all operating and safety instructions operator’s single careless act. - Page 5 SAFETY SAFETY...YOU CAN LIVE WITH ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! OPERATION strength, appropriate size hitch pin with a mechanical retainer and attach safety chains. Crisscross chains • Never go underneath equipment (lowered to the under tongue and secure to draw bar cage, mounting ground or raised) unless it is properly blocked and loops, or bumper frame.
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Page 6: Dealer Instructions
SAFETY SAFETY...YOU CAN LIVE WITH ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! AFTER SEASON STORAGE • Replace all shields and guards after servicing and before moving. • When unhitching, stop tractor or towing vehicle, set brakes, shut off engine and remove ignition key. •... -
Page 7: Safety Decals
SAFETY SAFETY & INSTRUCTIONAL DECALS ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH Replace Decals Immediately If Damaged! Safety Sign Locations Types of safety signs and locations on equipment are shown in the illustration below. Good safety requires that you familiarize yourself with various safety signs, type of warning, and area or particular function related to that area, that requires your SAFETY AWARENESS. -
Page 8: Bolt Torque Requirements
BOLT TORQUE REQUIREMENTS TORQUE DATA FOR STANDARD NUTS, BOLTS, AND CAPSCREWS. Tighten all bolts to torques specified in chart unless otherwise noted. Check tightness of bolts periodically, using bolt chart as guide. Replace hardware with same grade bolt. NOTE: Unless otherwise specified, high-strength Grade 5 hex bolts are used throughout assembly of equipment. -
Page 9: Wheel Nut Torque Requirements
WHEEL NUT TORQUE REQUIREMENTS It is extremely important to apply and maintain proper wheel mounting torque on your trailer axle. Torque is a measure of the amount of tightening applied to a fastener (nut or bolt) and is expressed as length times force. For example, a force of 90 pounds applied at the end of a wrench one foot long will yield 90 lbs/ft of torque. -
Page 10: Front Idler Suspension & Hub Breakdown
6K FRONT IDLER SUSPENSION AXLE & HUB BREAKDOWN Please order replacement parts by Unit Part Number Description Part Number and Description. Number 1AF009Q0000 1” I.D. X 1-3/4”O.D. X .115 WASHER - ZINC 1AF033CBAD0 5/32” X 2 1/2” COTTER PIN ZINC PLATED 1AFF63Q0000 1-14 HEX SLOTTED JAM NUT, PLAIN 1AV90000000... -
Page 11: Front Brake Suspension & Hub Breakdown
6K FRONT BRAKE SUSPENSION AXLE & HUB BREAKDOWN Please order replacement parts by Part Number Description Part Number and Description. 1AF009Q0000 1” I.D. X 1-3/4”O.D. X .115 WASHER - ZINC 1AF033CBAD0 5/32” X 2 1/2” COTTER PIN ZINC PLATED 1AFF63Q0000 1-14 HEX SLOTTED JAM NUT, PLAIN 1AAB6AEHA0H HEAD TRAILER HUB ASSEMBLY... -
Page 12: Front Idler Suspension & Hub Breakdown
7K FRONT IDLER SUSPENSION AXLE & HUB BREAKDOWN Unit Part Number Description Number NOTE: 5H000445 HT 7K FR SUSP IDLR AX 32* DOWN 11680- 7K Axles are used on 5H000179 HT FRONT VERTICLE SHAFT ASSEMBLY HT-48 & HT-52 models 1AAT780162H TOR,7K,865,ID,EZ,W/FRNT SUSP 32* DWN 11680- 1AF009Q0000... -
Page 13: Front Brake Suspension & Hub Breakdown
7K FRONT BRAKE SUSPENSION AXLE & HUB BREAKDOWN Unit Part Number Description Number NOTE: 5H000446 HT 7K FR SUSP BRAKE AX, 32* DOWN 11680- 7K Axles are used on 5H000179 HT FRONT VERTICLE SHAFT ASSEMBLY HT-48 & HT-52 models 1AAT78E162H TOR,7K,865,EL,EZ,W/FRNT SUSP 32* DWN 11680- 1AF009Q0000... -
Page 14: Bearing Inspection/Lubrication
BEARING INSPECTION/LUBRICATION Bearing Inspection Wash all grease and oil from the bearing cone using a suitable solvent. Dry the bearing with a clean, lint-free cloth and inspect each roller completely. CAUTION: Never spin the bearing with compressed air. THIS CAN DAMAGE THE BEARING. If any pitting, spalling, or corrosion is present, then the bearing must be replaced. -
Page 15: Seal Inspection/Bearing Adjustment
SEAL INSPECTION/BEARING ADJUSTMENT Seal Inspection and Replacement Whenever the hub is removed, inspect the seal to assure that it is not nicked or torn and is still capable of properly sealing the bearing cavity. If there is any question of condition, replace the seal. Note: If hubs are removed from an axle with the E-Z Lube feature, it is imperative that the seals be replaced BEFORE bearing lubrication. -
Page 16: E-Z Lube Lubrication
E-Z LUBE LUBRICATION The procedure is as follows: 1. Remove the rubber plug from the end of the grease cap. 2. Place a standard manual grease gun onto the grease fitting located in the end of the spindle. Make sure the grease gun nozzle is fully engaged on the fitting. 3. -
Page 17: Electric Brakes Adjustment
ELECTRIC BRAKE ADJUSTMENT Brakes should be adjusted (1) after the first 200 miles (322 km) of operation when the brake shoes and drums have “seated”, (2) at 3,000 miles (4,827 km) intervals, (3) or as use and performance requires. The brakes should be adjusted in the following manner: 1. -
Page 18: Maintenance Schedule
MAINTENANCE SCHEDULE 12 Months 3 Months or 6 Months or Item Function Required Weekly or 12000 3000 Miles 6000 Miles Miles Test that they are Brakes At Every Use operational Brake Adjust to proper Adjustment operating clearance Brake Inspect for wear and Magnets current draw Brake... -
Page 19: Electrical Diagrams
LOAD END VIEW Part Number Description RUNNING LAMPS + POSITIVE* (M/C) 5W000020 HT 20' LIGHT KIT, 0 REAR BRAKE 5W000024 HT 24’ LIGHT KIT, 0 REAR BRAKE RIGHT SIDE LEFT SIDE 5W000028 HT 28’ LIGHT KIT, 0 REAR BRAKE (S.T.T. LAMPS) (S.T.T. - Page 20 WIRING SCHEMATIC WITH BRAKES Notes: 1. The (Back-up) and (+ Positive) terminal of the 7-RV plug are not used. 2. The black wire is to be terminated and not hooked into the 7-RV plug. 3. The black wire is only used between the break-away switch and the break-away battery. ∗...
- Page 21 WIRING SCHEMATIC WITH BRAKES Part Number Description 1AEK0478800 20’-28’ 1 REAR BRAKE AXLE 5W000002 HT TANDEM AXLE 1 REAR BRAKE, 32’, 38’, 42’ 5W000003 HT TANDEM AXLE 2 REAR BRAKE, 32’, 38’, 42’ 5W000004 HT TANDEM AXLE 2 REAR BRAKE KIT, 48 & 52’ 4W003036 JUMPER WIRE, MALE BULLET X BUTT CONNECTOR 36”...
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Page 22: Break-Away System
BREAK-AWAY SYSTEM 1AEZ4192000 12V BREAKAWAY KIT FOR 1-3 AXLE, NON-CHARGING W/O MOUNTING HARDWARE REF #20003 BRAKEMASTER ™ PART # 20001, #20002, #20003 and #20004 Break-Away System for Single, Tandem, and Tri-Axle Trailers “Safety on the road” Make sure you have all parts before you start your installation. Kits #20003 and #20004 do not include mounting hardware. - Page 23 BREAK-AWAY SYSTEM 1AEZ4192000 12V BREAKAWAY KIT FOR 1-3 AXLE, NON-CHARGING W/O MOUNTING HARDWARE REF #20003 DIAGRAM WITH CHARGER (Part No’s. 20001 & 20004) DIAGRAMA CON EL CARGADOR (Núm. de Partes 20001 & 20004) DIAGRAMME AVEC CHARGEUR de pièce 20001 et 20004) Electric Brake (Blue) Ground (White) Freno Eléctrico (Azul)
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Page 24: Header Alignment Tape
HEADER ALIGNMENT TAPE There are 5 strips of yellow conspicuity tape, 2 in x 9 in, part number 1AQBL073000, enclosed in the manifest holder with the Operator’s Manual. This tape can be added to the header and transport to aid in aligning the header when mounting it on the transport. Once the brackets have been set in the desired location and the header mounted on the transport, place a piece of tape in the following locations: 1. -
Page 25: Header Securement
HEADER SECUREMENT Step 1: Always position tie-down brackets on bottom rail of transport to create a straight line of pull. (See picture to the left.) Fasten tie-down brackets to bottom rail using carriage bolt and handle nut. Tighten handle nuts to prevent brackets from sliding. CAUTION TO PROPERLY SECURE HEADER TO TRANSPORT, BOTH BRACKETS AND... -
Page 26: Adjustable Tie-Down
ADJUSTABLE TIE-DOWN Part Number Description 5H000148 HT ADJUSTABLE TIE-DOWN ASSEMBLY 1AFZ29H0000 1/2-13 HANDLE NUT - ZINC PLATED 1AFC04HEAH0 1/2-13 X 5-1/2” CARR BOLT PLTD 1AFZ51HEA00 1/2” X 5 BENT PIN W/ CLIP - ZINC PLATED 1AU00000196 RATCHET W/ HOOK & LOOPED STRAP 5H000164 HT ADJ TIE DOWN BRACKET Please order replacement parts by Part Number and Description. -
Page 27: 52' Top Rail Tube Extension
52’ TOP RAIL TUBE EXTENSION PARTS BRAKDOWN Part Number Description 5H000439 HT TOP RAIL TUBE EXTENSION ASSEMBLY - 52’ 1AF009J000C 5/8” SAE FLAT WASHER 1AFF12JAAH5 5/8” x 1-1/2” HEX BOLT FINE THREAD GR.5 ITEM 1AFY08J0008 5/8-18 FLANGE LOCK NUT DTSM YCP G8 NO. -
Page 28: 710 Telescoping Tongue Breakdown
1” X 7 1/2” RED HANDLE HITCH PIN W/STEEL LANYARD 1AFF12JDAH1 5/8” X 4-1/2” HEX BOLT FINE THRD GR 8 1AFF17J0001 5/8”-FINE THRD CROWN LOCKNUT GR 8 1ACB0305651 3” LUNETTE EYE ASSEMBLY - DEMCO 1ACB0305806 2-5/16” ADJUSTABLE BALL COUPLER, 20K 1AFC05J0000 5/8” CENTER LOCK NUT 1AFC12JAAH8 5/8”-11 X 1-1/2”... - Page 29 710 - TELESCOPING TONGUE PARTS BREAKDOWN 8H000018 Page 29...
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Page 30: 460 Telescoping Tongue Breakdown
1” X 7 1/2” RED HANDLE HITCH PIN W/STEEL LANYARD 1AFF12JDAH1 5/8” X 4-1/2” HEX BOLT FINE THRD GR 8 1AFF17J0001 5/8”-FINE THRD CROWN LOCKNUT GR 8 1ACB0305651 3” LUNETTE EYE ASSEMBLY - DEMCO 1ACB0305806 2-5/16” ADJUSTABLE BALL COUPLER, 20K 1AFC05J0000 5/8” CENTER LOCK NUT 1AFC12JAAH8 5/8”-11 X 1-1/2”... - Page 31 460- TELESCOPING TONGUE PARTS BREAKDOWN 8H000018 Page 31...
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Page 32: Main Parts Breakdown
MAIN PARTS BREAKDOWN Unit Unit Part Number Description Part Number Description Number Number 9H000081 38’ HEAD TRANSPORT 9H000005 STD SADDLE BRKT ASSY-RIGHT 9H000077 20’ HEAD TRANSPORT 9H000006 STD SADDLE BRKT ASSY-LEFT 9H000078 24’ HEAD TRANSPORT 3H000075 FRONT END WASHER CAP 9H000079 28’... - Page 33 MAIN PARTS BREAKDOWN 5 OR 6 4, 23 HEAD TRANSPORTER TONGUE TORQUE SPECS 5 OR 6 4, 23 7, 8 TONGUE TORQUE SPECIFICATIONS 1. Bring desired tongue to desired suspension. 2. Attach the two with (1) Bolt (1AFC48LEA05) and (1) Castle Nut (1AFC63L0000) 3.
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Page 34: Front Fender Breakdown
6K FRONT FENDER PARTS BREAKDOWN Ref. Unit Part No. Qty. Description Number 1AF009H0000 1/2” FLAT WASHER 1AF009J000C 5/8” SAE FLAT WASHER 1AF046EAAH0 5/16” x 1.5” FENDER WASHER 1AFC08E0000 5/16”-18 FLANGE NUT 1AFC08H0000 1/2”-13 FLANGE NUT 1AFC12HAAD5 1/2” x 1-1/4” HEX BOLT 1AFC37E00L0 5/16”-18 x 3/4”... - Page 35 6K FRONT FENDER PARTS BREAKDOWN FRONT 2,8,9 REAR NOTE: Upper hole is used for 0° front axle. Lower hole is used for 22.5°/32° down front axle. 8H000018 Page 35...
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Page 36: Front Fender Breakdown
7K FRONT FENDER PARTS BREAKDOWN Unit Part No. Description Number 1AF009H0000 1/2” FLAT WASHER 1AF009J000C 5/8” SAE FLAT WASHER 1AF046EAAH0 5/16” x 1.5” FENDER WASHER 1AFC08E0000 5/16”-18 FLANGE NUT 1AFC08H0000 1/2”-13 FLANGE NUT 1AFC12HBAH0 1/2”-13 x 2-1/2” HEX BOLT 1AFC37E00L0 5/16”-18 x 3/4”... - Page 37 7K FRONT FENDER PARTS BREAKDOWN FRONT REAR 8H000018 Page 37...
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Page 38: Optional Second Rear Axle
OPTIONAL SECOND REAR AXLE BREAKDOWN 22.5 Degree Up Axle Ref. Unit Part No. Qty. Description Number 5H000074 HT 32’ w/o Brakes -7745 5H000075 HT 32’ w/ Brakes & Breakaway Kit -7745 5H000081 HT 32’ w/ Brakes, No Breakaway Kit -7745 5H000078 HT 38’... - Page 39 OPTIONAL SECOND REAR AXLE BREAKDOWN 22.5 Degree Down Axle Ref. Unit Part No. Qty. Description Number 5H000447 HT 32’ w/o Brakes 11680- 5H000448 HT 32’ w/ Brakes & Breakaway Kit 11680- 5H000449 HT 32’ w/ Brakes, No Breakaway Kit 11680- 5H000450 HT 38’...
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Page 40: Optional Rear Fenders
OPTIONAL REAR FENDERS Unit Part No. Description Number 5H000141 HT Rear Fender Assembly, Driver - Series 2 5H000142 HT Rear Fender Assembly, Passenger - Series 2 5H000191 HT Rear Fender Assembly, Driver - Series 3 7746- 5H000192 HT Rear Fender Assembly, Passenger - Series 3 7746- 5H000201 HTHD Rear Fender Assembly, Driver - Series 4... -
Page 41: Gvw Ratings
GROSS VEHICLE WEIGHT (GVW) RATINGS Transport Length Highway Tires FEET GVWR 20 Ft. 10 Ply on All 1,700 lbs (771 kg) Empty Weight 11,200 lbs (5,080 kg) GVW 24 Ft. 10 Ply on All 1,800 lbs (816 kg) Empty Weight 11,200 lbs (5,080 kg) GVW 28 Ft. -
Page 42: Head Transport Checklist
HEAD TRANSPORT CHECKLIST Downtime in the fields caused by field breakdowns is costly and time consuming. Many breakdowns can be eliminated by periodic equipment maintenance. By spending a little time running over this checklist, following proper after-season care, you can save time and money later on. Warning: To prevent Serious Injury or Death •... -
Page 43: Dealer Instructions
DEALER INSTRUCTIONS Dealer Checklist (Dealer’s Responsibility) Inspect the equipment thoroughly to be certain it is set up properly before delivering it to the customer. The following checklist is a reminder of points to inspect. Check off each item if it is found satisfactory or after proper adjustment is made.
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