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OWNER'S MANUAL
HC - 12
NEXSTAR III
Serial No.
475000113-0819-C
Mailing Address:
Phone: 1-800-777-2760
Physical Address:
P.O. Box 580697
Fax: (918) 269-6688
4707 N. MIngo Rd.
Tulsa, OK
74158697
http://www.autocrane.com
Tulsa, OK 74117-5904

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Summary of Contents for Auto Crane NEXSTAR III HC-12

  • Page 1 OWNER’S MANUAL HC - 12 NEXSTAR III Serial No. 475000113-0819-C Mailing Address: Phone: 1-800-777-2760 Physical Address: P.O. Box 580697 Fax: (918) 269-6688 4707 N. MIngo Rd. Tulsa, OK 74158697 http://www.autocrane.com Tulsa, OK 74117-5904...
  • Page 3 At the time of publishing this manual is accurate to the best of our knowledge. Auto Crane reserves the right to change any or all items, components and parts, necessary for any reason. This right does not obligate Auto Crane to immediately update the manual. If in doubt, please call your local Auto Crane distributor for the most up-to-date information.
  • Page 4 HC-12 NEXSTAR III...
  • Page 5: Table Of Contents

    Table of Contents SECTION PAGE Safety Tips And Precautions ............Introduction ................General Specifications ..............Dimensions ..............Capacity ............... Reach ................Cable ................Chassis And Mounting Requirements ......... Electrical System Requirements ........Rotation ................ Load Chart ................... 5 Qualifications And Operating Practices ........Operators ..............5.2 Qualifications For Operators ..........
  • Page 6: Section Page

    Table of Contents SECTION PAGE Frequent Inspection ............Periodic Inspection ............Cranes Not In Regular Use ..........Inspection Records ............Testing Requirements ............. General Repairs And Maintenance ........Maintenance Precautions ..........8.10 Adjustments And Repairs ..........8.11 Lubrication ..............8.12 Rope Replacement ............8.13 Rope Installation And Maintenance ........
  • Page 7: Safety Tips And Precautions 1

    Do not attempt to lift or drag a load from the side! The boom can fail far below its rated capacity. WARNING Do not weld, modify, or use unauthorized components on any Auto Crane unit! This will void any warranty or liability. Also, failure of the crane may result.
  • Page 8: Introduction

    60-amp alternator with a 500 cold cranking amp battery. These specifications should be considered minimum. It has always been Auto Crane Company policy to handle all warranty claims we receive as promptly as possible. If a warranty claim involves discrepant material or workmanship, Auto Crane will take immediate corrective action.
  • Page 9 If you require additional information, please contact the Auto Crane Company at the following telephone number: 1-800-777-2760 The information contained in the manual is in effect at the time of this printing. Auto Crane Company reserves the right to update this material without notice or obligation.
  • Page 10: General Specifications

    3 General Specifications 3.1 DIMENSIONS • Width: 27 in. (0.69 m) • Height: 39 in. (0.99 m) • Length: 15 ft. 9 in. (4.80 m), stored length. • Weight: 3,040 lbs. (1,379 kg.) 3.2 CAPACITY • 85,000 ft-lbs (12.954 ton-m) • Ft-lbs = horizontal distance from center line of rotation to free hanging weight (feet) x amount of weight (pounds). 3.3 REACH • Second boom reach: 13 ft. to 22 ft. 2 in. • Third boom reach: 22 ft. 2 in. to 30 ft. 3.4 CABLE • 120 ft. (36.6 m) of 7/16 in. (12.7 mm) diameter aircraft quality cable. This cable has a single line breaking strength of 26,600 lbs. (12,065 kg). 3.5 CHASSIS AND MOUNTING REQUIREMENTS • 33,000 lbs. (14,969 kg) GVWR minimum. • 1,000,000 in-lbs. Resistive Bending Moment (RBM) • 3/4”, Grade 8-UNF Bolts. Tightened to 335 ft. lbs. • 9” Mounting hole to run electrical lines to the crane from the body. 3.6 ELECTRICAL SYSTEM REQUIREMENTS • Voltage: 12 VDC • Alternator: 60 amps minimum • Battery: 100 minute reserve capacity minimum. Maintenance Type battery...
  • Page 11 Load Chart 4 HC-12 8303 NOTE: 1. ALL CAPACITIES SHOWN IN (LBS) 2. WEIGHT OF LOAD HANDLING 5371 DEVICES ARE PART OF THE LOAD AND MUST BE DEDUCTED FROM THE CAPACITY 3454 11548 7670 2748 4850 12000 75° 12000 3998 60°...
  • Page 12: Qualifications For Operators

    B. Possess the knowledge of emergency procedures and implement it. C. Demonstrate to the employer the ability to operate the specific type of equipment. D. Be familiar with the applicable safety regulations. E. Understand the operating procedures as outlined by the Auto Crane. F. Be thoroughly familiar with the crane and its control functions. HC-12 NEXSTAR III...
  • Page 13: Conduct For Operators

    Qualifications and Operating Practices 5 5.3 CONDUCT OF OPERATORS 1. The operator shall not engage in any practice, which will divert his attention while actually operating the crane. 2. Each operator shall be responsible for those operations under the operator’s direct control. Whenever there is any doubt as to safety, the operator shall consult with the supervisor before handling the loads.
  • Page 14: Operating Near Electrical Power Lines

    5 Qualifications and Operating Practices 4. During lifting care shall be taken that: A. There is no sudden acceleration or deceleration of the moving load. B. When rotating the crane, sudden starts and stops shall be avoided. Rotational speed shall be such that the load does not swing out beyond the radius at which it can be controlled.
  • Page 15 Qualifications and Operating Practices 5 1. Do not place any part of the crane or load inside the Danger Zone. EXCEPTIONS: A. The Danger Zone may be entered after confirmation by an appointed person the electrical distribution and transmission lines are de-energized and visibly grounded at the point work. B. The Danger Zone may be entered if insulating barriers are erected to prevent physical contact with the lines. These can’t be a part of or attached to the crane.
  • Page 16: Preparing The Crane For Operation

    B. Leave the ignition on with the transmission in neutral (or park for automatic transmissions). C. Activate any crane power switches. 7. For Auto Crane units using electric and hydraulic operation: A. Engage the emergency brake. B. Place the transmission in neutral.
  • Page 17 Qualifications and Operating Practices 5 9. Remove the remote control from the cab or storage area. Power the remote control on. Detach the hook from the dead man. 10. The crane is now ready for operation. DURING OPERATION 1. Always boom up before rotating so the boom will clear the boom support. 2.
  • Page 18: Nexstar Lll Operation

    6 NexStar lll Operation This section describes the general operation for cranes with the NEXSTAR lll control system. WARNING Before operating the Remote Control, read and understand all safety information in this manual, any manual supplements, and any applicable local, state, or federal rules and regulations. WARNING Never drive with a load suspended from the crane. WARNING Ensure personnel and objects are clear of the crane path during operation.
  • Page 19: Remote Control Layout

    NexStar lll Operation 6 6.5 REMOTE CONTROL LAYOUT Nextstar lll Remote Control 1. Emergency Stop Button – Push to activate. Pull to release. When activated the emergency stop button stops all outputs from the receiver. 2. Display Screen – LCD screen that displays many crane operating parameters. See Figure 4. 3.
  • Page 20: Display Screen Layout

    Watchdog Timer – The black dot should always be moving in a diagonal. If the timer stops, contact your Auto Crane representative. Signal Strength and Battery Life – Displays the signal strength coming from the crane. The approximate range is 300 ft. The battery displays the percent remote control battery life remaining.
  • Page 21: Speed Selection

    NexStar lll Operation 6 6.7 SPEED SELECTION 1. Press and hold the Link Switch in the up position. 2. While holding the Link Switch in the up position: A. Move the Left Joystick up to increase the max speed. B. Move the Left Joystick down to decrease the max speed. 3.
  • Page 22: Operation-Valve Override

    6 NexStar lll Operation 6.10 COUNTERBALANCE VALVE ADJUSTMENT/OVERRIDE PROCEDURE 1. With PTO disengaged and boom properly supported, remove the plug on the counterbalance valve. Install a pressure gauge (0-3000 PSI) into the port. 2. Engage PTO and insure pump flow is 8 to 9 GPM. With no load on boom, boom up to an angle of 70 degrees. Boom down and note pressure. If pressure reading is not approximately 1300 PSI, the counterbalance valve requires adjustment.
  • Page 23: Transmitter Layout

    NexStar lll Operation 6 6.11 Transmitter Layout LABEL DIRECTION FUNCTION GRAPHIC DESCRIPTION Sends a 12VDC signal from crane to start vehicle Engine Start Down Engine Stop Sends a 12VDC signal from crane to stop vehicle Boom Up function Down Boom Down Rotate CCW Right Rotate CW...
  • Page 24: Nexstar Lll Troubleshooting

    7 NexStar lll Troubleshooting 7.1 TROUBLESHOOTING FLOW CHART CRANE DOES NOT OPERATE CORRECTLY IS THERE GO TO ERROR CODE AND ERROR TROUBLESHOOTING CODE? CHART DOES IT DOES THE CRANE GO TO ELECTRICAL STOPMOVING WHEN MOVE UNEXPECTEDLY TROUBLESHOOTING YOU UNPLUGTHE WHEN A FUNCTION IS CHART CORRESPONDING NOT SELECTED?
  • Page 25: Nexstar Lll Remote Control Troubleshooting Table

    NexStar lll Troubleshooting 7 7.2 NEXSTAR lll REMOTE CONTROL TROUBLESHOOTING TABLE PROBLEM POSSIBLE REASON ACTION REMOTE CONTROL WILL REMOTE CONTROL EMERGENCY STOP ENSURE THE E-STOP SWITCH IS NOT TURN ON SWITCH IS DOWN OR PRESSED. PULLED UP. BATTERIES ARE DEAD OR INSTALLED ENSURE ALL SWITCHES, BUTTONS, BACKWARDS;...
  • Page 26: Nexstar Lll Error Code Table

    7 NexStar lll Troubleshooting 7.3 ERROR CODE TABLE ERROR CAUSE DIAGNOSIS SOLUTION CODE S0. E-STOP E-STOP ACTIVATED ALL OUTPUTS DEACTIVATE E-STOP PER OPERATION ACTIVE WILL BE PROCEDURES. DISABLED S1. CAN RX TO RECEPTION OF A CAN ALL OUTPUTS DETERMINE WHY MESSAGE(S) IS MESSAGE TIMED OUT WILL BE (ARE) NOT BEING RECEIVED.
  • Page 27 NexStar lll Troubleshooting 7 7.3 ERROR CODE TABLE ERROR CAUSE EFFECT SOLUTION CODE A8. 100% REACHED 100% OF RATED DISABLES REDUCE LOAD BY EITHER RETRACTING, LOAD ALARM CAPACITY BOOM DOWN, BOOMING UP, OR HOISTING DOWN. EXTEND, AND HOIST UP A9. SLOW LIFT CYLINDER HAS REDUCES THIS IS A SAFETY FEATURE THAT ROTATE ACT...
  • Page 28: Nexstar Lll Electrical Troubleshooting Table

    7 NexStar lll Troubleshooting 7.4 ELECTRICAL TROUBLESHOOTING TABLE ERROR CAUSE EFFECT SOLUTION CODE CRANE MOVES JAMMED ACTIVATE E-STOP TO SEE IF VERIFY THAT NOTHING WAS UNEXPECTEDLY TRANSMITTER MOVEMENT STOPS. ACTIVATING THE FUNCTION AT THE BUTTON TIME OF MOVEMENT. IF IT WAS NOT ACTIVATED THEN REPLACE TRANSMITTER.
  • Page 29 NexStar lll Troubleshooting 7 7.4 ELECTRICAL TROUBLESHOOTING TABLE ERROR CAUSE EFFECT SOLUTION CODE ANTI-2 BLOCK CHECK SCREEN FOR ERROR VERIFY THAT THE TRAVELING BLOCK FOLLOWING CODE. IT WOULD READ ANTI-2 IS NOT IN CONTACT WITH BAIL. IF FUNCTIONS BLOCK ERROR. SO, HOIST DOWN AND CHECK FUNCTIONS AGAIN.
  • Page 30 7 NexStar lll Troubleshooting 7.4 ELECTRICAL TROUBLESHOOTING TABLE ERROR CAUSE EFFECT SOLUTION CODE CRANE IS AT OR OVER 90% OF THIS IS A SAFETY FEATURE TO FUNCTIONS OVERLOAD IT’S RATED CAPACITY PREVENT GETTING INTO AN UNSAFE OPERATE ACTIVATED CONDITION (SUDDEN MOVEMENT OF SLOWLY HEAVY LOAD). 90% OVERLOAD WILL REMAIN ACTIVATED UNTIL LOAD IS DECREASED.
  • Page 31: Nexstar Lll Hydraulic Troubleshooting Table

    TRY TO MANUALLY OVERRIDE REPLACE CARTRIDGE UNEXPECTEDLY CARTRIDGE VALVE IF UNABLE TO MOVE STEM. CARTRIDGE IS JAMMED. COUNTERBALANCE ADJUST THE COUNTER-BALANCE CONTACT AUTO CRANE FOR SET TOO LOW OUT TO SEE IF MOVEMENT PROPER SETTING OF (BOOM-UP & STOPS. COUNTERBALANCE. YOU MAY BOOM-DN) NEED TO REPLACE COUNTERBALANCE.
  • Page 32: Maintenance

    8 Maintenance 8.1 INSPECTION REQUIREMENTS NOTICE Reference ASME B30.5 and OSHA 1910.180 for complete inspection requirements. WARNING All inspections shall be performed by the designated personnel only. 8.2 INSPECTION CLASSIFICATION 1. Initial Inspection A. Prior to initial use, all new, altered, modified, or extensively repaired cranes shall be inspected by a designated person to ensure compliance with provisions of this standard. 2.
  • Page 33: Periodic Inspection

    Maintenance 8 B. General corrosion. C. Broken or cut strands. D. Use care when inspecting sections of rapid deterioration around flange points crossover points, and repetitive pickup points on drums. E. Inspect number, distribution, and type of visible broken wires. NOTICE Continued use of rope depends upon good judgment by a designated person in evaluating remaining strength in a used rope after allowance for deterioration disclosed by inspection.
  • Page 34: Cranes Not In Regular Use

    8 Maintenance 12. Inspect hydraulic cylinders for the following problems: A. Driving caused by fluid leaking across piston. B. Rod seals leaking. C. Leaks at welding joints. D. Scored, nicked, or dented cylinder rods. E. Damaged case (barrel). F. Loose or deformed rod eyes or connecting joints. 13. Inspect hydraulic filters for evidence of rubber particles on the filter elements indicating possible hose, O-ring, or other rubber component deterioration.
  • Page 35: General Repairs And Maintenance

    Maintenance 8 WARNING All testing shall be performed by designated personnel only. Prior to initial use, all new, altered, modified, or extensively repaired cranes shall be inspected by a designated person to ensure compliance with provisions of this standard. 1. Test all functions to verify speed and operation. 2. Ensure all safety devices are working properly. 3. Confirm operating controls comply with appropriate function labels.
  • Page 36: Lubrication

    8 Maintenance B. Critical parts of the crane structure which are cracked, bent, broke, or excessively corroded. C. Crane hooks showing cracks, damage, or corrosion shall be taken out of service. Repairs by welding are recommended. 4. If bleeding the hydraulic system is required, run each crane function until smooth operation of that particular function is noticeable.
  • Page 37: Paint Finish Maintenance

    The paint finish on Auto Crane products can become damaged during normal use when chipped, scratch, exposed to harsh chemicals, cleaned with pressure washers, or similar. During periods when the truck is exposed to salt or other corrosive chemicals, wash Auto Crane products weekly. Inspect the paint finish monthly or when washed. Immediately repair any exposed bare metal or rust. Repair damaged paint on Auto Crane products with the following procedure: 1.
  • Page 38: Lubrication And Maintenance Schedule

    8 Maintenance 8.15 LUBRICATION AND MAINTENANCE SCHEDULE Service Instructions Daily Weekly 3 Months 6 Months Yearly Performed Load Hook Inspect hook and latch for deformation, cracks, and corrosion. Cable Drum Ensure cable is wound evenly on drum. Hoist/Boom Check for flattening, Cable kinks, broken strands. Hyd. Hoses Visual inspection.
  • Page 39: Lubrication Points

    1. Use only authorized parts. Any damage or malfunction caused by the use of unauthorized parts is not covered by Warranty or Product Liability. 2. Once a bolt has been tightened to specification then removed, the bolt should be replaced with a new one. Auto Crane Company recommends this crane be serviced per the “Crane Inspection Log” P/N 999978. Fill these logs in at the intervals noted and kept as a permanent record. Additional copies are available from your local distributor.
  • Page 40: Nexstar Lll Cartridge Maintenance

    8 Maintenance 8.17 NEXSTAR lll CARTRIDGE MAINTENANCE Verify movement in ports while manually overriding cartridge Use the following procedure to inspect the cartridge for proper operation. 1. Clean the area around the valve spool before it is removed from the valve bank. 2.
  • Page 41: Crane Mounting And Installation 9

    Failure to correctly plumb and wire crane can cause inadvertent operation and damage to crane and/or personnel. 9. Ensure the Owner’s Manual is delivered to the customer. 10. For additional help: Call the Service Department at the Auto Crane Company, 1-800-777-2760, located in Tulsa, OK. IMPORTANT! FEDERAL LAW (49 CFR PART 571) REQUIRES THAT THE FINAL STAGE MANUFACTURER OF A VEHICLE CERTIFY THAT HE VEHICLE COMPLIES WITH ALL APPLICABLE FEDERAL REGULATIONS.
  • Page 42: Stability Chart Installation

    This decal is to alert the user of the available crane capacities around the vehicle. • 479824002 decal will be installed on an Auto Crane body that was outfitted with an Auto Crane crane and Auto Crane outriggers. Auto Crane has designed the body, crane and outrigger to have stability based on the chart below: HC-12 NEXSTAR III...
  • Page 43 Crane Mounting and Installation 9 • 479824003 decal will be installed on an Auto Crane body that was not outfitted with an Auto Crane crane and Auto Crane outriggers. Auto Crane has designed the body, crane, and outrigger to have stability based on the chart. The stability chart provides lines to write in the tested stability percentage at each section below:...
  • Page 44: Nexstar Lll Counterbalance Valve Adjustment

    9 Crane Mounting and Installation 9.2 NEXSTAR lll COUNTERBALANCE VALVE ADJUSTMENT WARNING Do not try to adjust valves while the boom is moving 1. Ensure the PTO is disengaged and the boom is properly supported. 2. Remove the plug on the counterbalance valve. 3.
  • Page 45: Decal Layout

    Decal Layout P/N: 475000202 10 BOTTOM OF DECAL SECTION A-A HC-12 NEXSTAR III...
  • Page 46 DECAL WARNING LOAD SENSOR 320318000 DECAL ANGLE INDICATOR CS 320318001 DECAL ANGLE INDICATOR SS 360034000 DECAL AUTO CRANE LOGO 408240000 DECAL, AMERICAN FLAG, MADE IN THE U.S.A. 366823302 "DECAL, MAN OR PROCEDURES, GS HYD, LRG H-MODS, PUSH BUTTON" 475000123 DECAL, LOAD CHART, HC-12, NEXSTAR...
  • Page 47: General Assembly

    General Assembly P/N: 475000004 11 16 11 12 16 11 12 DETAIL B DETAIL C 20 22 DETAIL A DETAIL D DETAIL E HC-12 NEXSTAR III...
  • Page 48 11 General Assembly P/N: 475000004 ITEM NO. PART NO. DESCRIPTION 475200004 PEDESTAL ASS'Y, HC-12, NEXSTAR III 475100001 BOOM ASSEMBLY, HC-12 475000300 TRAVELING BLOCK ASSEMBLY 12006 460090020 WIRE ROPE ASSY 475000202 DECAL LAYOUT, HC-12, NEXSTAR 475000104 SHIP KIT, HC-12, FM, NEXSTAR III 290200000 SCREW SOC HD 1/4 UNC X 1/2 GR8 366823236 LIGHT, LED (RED, GREEN, YELLOW)
  • Page 49: General Dimensions 12

    General Dimensions 12 HC-12 NEXSTAR III...
  • Page 50: Pedestal Assembly

    13 Pedestal Assembly P/N: 475200004 VALVE 480188100 INCLUDED WITH HOIST 18 45 TORQUE TO 200 FT-LBS DRY (NO THREAD LUBE) DETAIL B DETAIL A HC-12 NEXSTAR III...
  • Page 51 Pedestal Assembly P/N: 475200004 13 VALVE BANK HOSING DETAIL DETAIL C DETAIL D HC-12 NEXSTAR III...
  • Page 52 13 Pedestal Assembly P/N: 475200004 85 39 39 35 DETAIL E HC-12 NEXSTAR III...
  • Page 53 Pedestal Assembly P/N: 475200004 13 ITEM NO. PART NO. DESCRIPTION 475210000 PEDESTAL WLDMNT, 12006 470016000 CYLINDER, LIFT 470005000 ECCENTRIC RING, 14005 470001000 BEARING, ROTATION 123449 HOIST, RPH 6000 475210100 BRACKET, RECEIVER MTG, 12006H 470102211 SPACER, 3/4 OD X 3/8 ID 3/4 LG 470102210 BRACKET, VALVE MTG 14005H 470024000...
  • Page 54 13 Pedestal Assembly P/N: 475200004 ITEM NO. PART NO. DESCRIPTION 366358000 FITTING, -10 SAE / -10 JIC, SWIVEL, STR 460086000 FITTING, -12 SAE / -12 JIC, SWIVEL, STR 475210600 KIT, HOSE, HC-12/HC-14 202756000 FITTING 6-8 STRAIGHT 750420000 FITTING, STR 12 SAE ORB - 12 JIC 490199000 FITTING STR 10-SAE/10-JIC 369611000...
  • Page 55: Hoist Assembly

    Hoist Assembly P/N: 123449 14 W I N ITEM NO. PART NO. DESCRIPTION 234255 DRUM ASSEMBLY 306042 PISTON-BRAKE 315004 ANCHOR- CABLE 338345 END BEARING-MOTOR END 338414 END BEARING-GEAR HOUSING 338302 HOUSING-BRAKE 346045 PIN-BRAKE 350704 TIE PLATE 357517 SHAFT- INPUT 362297 SPACER-FOOT 362288 SPACER - TIE PLATE 402120 BEARING...
  • Page 56 14 Hoist Assembly P/N: 123449 ITEM NO. PART NO. DESCRIPTION 414303 BOLT-3/8-16 NC X 2-1/2, HX HD, GR-5, ZINC 414658 CAPSCREW-5/8-11 NC X 1-1/2 LG HX HD ZINC GR5 414926 SETSCREW-3/8-16 NC X 1, SOCKET, NYLON 414952 CAPSCREW-1/2-13 NC X 1-1/2 LG SOC HD ZINC 416016 SETSCREW 1/4-20 NC X 1/4 HX SOCK HD CUP 416080...
  • Page 57: Rotation Gearbox

    15 Rotation Gearbox P/N: 470003100 HC-12 NEXSTAR III...
  • Page 58 Rotation Gearbox P/N: 470003100 15 ITEM NO. PART NO. DESCRIPTION 470003101 CASE-CE65 470003102 OUTPUT SHAFT 470003103 COVER 470003104 INPUT GEAR 470003105 CARRIER ASSEMBLY (SEC) PLANET CARRIER (SEC) PLANET GEAR PLANET PIN-(SECONDARY) BEARING THRUST WASHER-PLANET ROLL PIN PLATE BEARING CONE 470003119 SUN GEAR 470003106 CARRIER ASSEMBLY (PRI) CARRIER-PRI...
  • Page 59: Boom Assembly

    16 Boom Assembly P/N: 475100001 22 24 24 22 24 (ORIENT ARROW TOWARDS CROWN) 11 13 12 10 25 36 26 34 HC-12 NEXSTAR III...
  • Page 60 Boom Assembly P/N: 475100001 16 ITEM NO. PART NO. DESCRIPTION 475000050 WELDMENT, LOWER BOOM, HC-12/HC-14 470053000 14005H MID BOOM WELDMENT 475100100 12006H BOOM WELDMENT UPPER 466130000 SHEAVE ASSY 3/8 366187000 PAD LOWER, 6006H 407202000 PAD BOOM 2.50 O.D. 470048000 PAD, BOOM 2.50 O.D. X 0.063 THICK 470057000 WEAR PAD TOP UPPER 1/8"...
  • Page 61: Traveling Block Assembly

    17 Traveling Block Assembly P/N: 475000300 ITEM NO. PART NO. DESCRIPTION 475000220 DECAL MAX BLOCK LOAD 460127000 TACKLE LOWER 460126000 SIDE PLATE TRAVELING BLOCK 480366000 HOOK SWIVEL 6 METRIC TON 490256000 SHEAVE ASSY 7/16 ROPE 490313000 BOLT, SHEAVE W/ZERK FITTING 018600000 NUT HX NYLK 3/4-16 UNF CP 360605000 PIN, BLOCK 366813000...
  • Page 62 Hydraulic Control Valve P/N: 480989251 18 ITEM NO. PART NO. DESCRIPTION 366823901 COIL, 5/8” DIA 12 VDC DEUTSCH 366823902 CARTRIDGE, SIZE 4W 3P CLSD CTR 366823906 VALVE, LOGIC SPOOL TYPE, 218 PSI 366823960 CARTRIDGE, 2-WAY UNLOADER, EXTENDED MANUAL OVERRIDE 366823903 CARTRIDGE, SIZE 4W 3P FLOAT CTR 366823905 VALVE, RELIEF DIRECT-ACTING (2750PSI) 480195000 FITTING 45 6-SAE/6-JIC...
  • Page 63: Hydraulic Control Valve

    18 Hydraulic Control Valve P/N: 480989251 5/16-18 X .75 DEEP TYP (2) PLCS 11.01 5.00 4.31 #6 SAE GAUGE PORT 10.50 27MM HEX 5.00 1.25 #8 JIC TYP (2) PLCS #6 JIC TYP (6) PLCS #10 JIC 2.09 6.38 3.16 4.69 5.67 7.31...
  • Page 64 Hydraulic Control Valve P/N: 480989251 18 HC-12 NEXSTAR III...
  • Page 65: Wiring Harness

    19 Wiring Harness P/N: 366823220 HC-12 NEXSTAR III...
  • Page 66 Wiring Harness P/N: 366823220 19 CONNECTOR ID CONNECTOR DESCRIPTION CONNECTOR DESCRIPTION RECEIVER 18 PIN CONNECTION HOIST B UP RECEIVER 30 PIN CONNECTION ANTI-2 BLOCK USB CONNECTION DUMP VALVE CAN CONNECTOR BOOM ANGLE SENSOR BOOM DN PENDANT CONNECTION BOOM UP ALARM LIGHT SWING CW ADDRESS SWING CCW...
  • Page 67: Electrical Schematic

    20 Electrical Schematic P/N: 366823221 HC-12 NEXSTAR III...
  • Page 68: Recommended Operating Temperature

    ANNEX A RECOMMENDED OPERATING TEMPERATURE 1. In applications where low oil temperatures may exist (below -20° F), an external heating system may be required. 2. A symptom of excessively low temperatures is hydraulic motor/PTO operation but no fluid flow from tank. CAUTION Hydraulic reservoir oil temperature must not exceed 180° F or damage to crane may occur. This may affect crane warranty. OIL TEMPERATURE 200 F (93.3 C) 180 F (82.2 C)
  • Page 69: Eccentric Ring Adjustment

    ANNEX B ECCENTRIC RING ADJUSTMENT 1. Remove retaining clip from bottom of crane 2. Rotate Eccentric Ring to tighten or loosen backlash. Eccentric ring hole is offset from the outside diameter by 1/16”.) NOTICE IMPORTANT: The tooth gap should be between 0.005 and 0.007 at the blue/green mark. This can be checked using Plastigage. 3.
  • Page 70 HC-12 NEXSTAR III...
  • Page 71 HC-12 NEXSTAR III...
  • Page 72 LIMITED WARRANTY 1 YEAR PURCHASED REPLACEMENT PARTS Auto Crane will warranty to the consumer for a period of (1) year from the date that a new Auto Crane replacement part was purchased from an authorized Auto Crane distributor. Each new Auto Crane part they sell will be free under normal use and service from defects in material and workmanship.
  • Page 73 2 YEAR PARTS AND LABOR Auto Crane will warranty to the consumer for a period of (2) years parts and labor from the date of purchase. Each new Auto Crane unit they sell will be free under normal use and service from defects in material and workmanship.
  • Page 76 HC-12 NEXSTAR III...

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