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Technical Manual

WARNING

Warning: If incorrectly used, this machine can
cause severe injury. Those who use and maintain
this machine should be trained in its proper use,
warned of its dangers, and must read the entire
manual before attempting to set up, operate, adjust,
or service the machine.

GB

HoverKing

32251 – 20 Inch (50.8 cm) HoverKing
32252 – 20 Inch (50.8 cm) Metal Blade Kit
32253 – 20 Inch (50.8 cm) Plastic Blade Kit
32254 – 20 Inch (50.8 cm) String Cutter Kit
32255 – 20 Inch (50.8 cm) Handle Extension Accessory

32257 – 16 Inch (40.6 cm) HoverKing
32258 – 16 Inch (40.6 cm) Metal Blade Kit
32259 – 16 Inch (40.6 cm) Plastic Blade Kit
32260 – 16 Inch (40.6 cm) String Cutter Kit
32261 – 16 Inch (40.6 cm) Handle Extension Accessory

32256 – Wheel Kit

4325163-Rev B

Summary of Contents for 32251

Page 1: ...or service the machine GB HoverKing 32251 20 Inch 50 8 cm HoverKing 32252 20 Inch 50 8 cm Metal Blade Kit 32253 20 Inch 50 8 cm Plastic Blade Kit 32254 20 Inch 50 8 cm String Cutter Kit 32255 20 Inch...

Page 2: ...wn to State of California to cause cancer and birth defects or other reproductive harm FOREWORD Suggested Stocking Guide To Keep your Equipment fully operational and productive Jacobsen suggests you m...

Page 3: ...1 Handle Controls 16 6 2 Engine Controls 17 Operation 7 1 Daily Inspection 19 7 2 OPC System 19 7 3 Operating Procedure 20 7 4 Starting The Engine 21 7 5 To Stop The Engine 22 7 6 Mowing 22 Maintenan...

Page 4: ...not for any other purpose Compliance with the conditions or operation service and repair specified by the manufacturer are understood to be part of the correct use ALL operators MUST read through this...

Page 5: ...Serial number plate The serial number plate is found on the deck housing near the air filter 1 3 SERIAL NUMBER__________________________________________________________ Record the mower and engine num...

Page 6: ...l of the necessary lifting equipment Use the correct tools and Personal Protective Equipment PPE and take instruction from the technical manuals applicable to the mower Remove and keep correctly 1 Fue...

Page 7: ...ed or the system does not operate correctly Do not disconnect or prevent the operation of any switch c Never operate equipment that is not in correct order or without decals guards shields deflectors...

Page 8: ...ear view i Before you move across or operate on the paths or roads release the OPC handle and lift the mower Look for traffic j Stop the engine when the mower is on any surface that is not grass k Do...

Page 9: ...el inside a building e Be careful and wear gloves when you check or service the cutting unit blades Replace any damaged blades do not try to correct a damaged blade f Keep your hands and feet away fro...

Page 10: ...e devices securely fastened in place By following all instructions in this manual you will prolong the life of your machine and maintain its maximum efficiency Adjustments and maintenance should alway...

Page 11: ...4 ft Lb 3 2 Nm 4500 rpm Maximum Speed 3600 50 rpm No Load 4600 50 rpm No Load Low Idle 1400 150 rpm No Load 2500 200 rpm No Load Rotation Counter clockwise viewed at PTO shaft Counter clockwise viewe...

Page 12: ...cm 32 inch 81 3 cm D Height Extended Handle Handle at 30 angle from ground 46 5 inch 118 1 cm 41 8 inch 106 2 cm E Length Standard Handle Handle at 30 angle from ground 59 inch 149 9 cm 59 inch 149 9...

Page 13: ...SPECIFICATIONS 3 en 10 E G H G E A B C F D C A B 20 inch 50 8 cm HoverKing Standard Handle 16 inch 40 6 cm HoverKing Standard Handle 20 inch 50 8 cm HoverKing Extended Handle...

Page 14: ...________________________________ 20 inch 50 8 cm Kit number 32252 16 inch 40 6 cm Kit number 32258 3 5 2 PLASTIC BLADE KIT_______________________________________________________ 20 inch 50 8 cm Kit Nu...

Page 15: ...number 32255 Includes longer bail and throttle control cables 16 inch 40 6 cm HoverKing Kit number 32261 Includes longer OPC switch harness 3 5 5 WHEEL KIT ___________________________________________...

Page 16: ...lasses hearing protection and other required safety equipment Be careful of discharged objects When the mower is in operation keep persons and animals away Be careful when you operate the mower on slo...

Page 17: ...flat and level surface 2 Remove the oil cap dipstick Check to make sure there is no oil in the crankcase 3 Slowly add the correct amount of engine oil Do not overfill the engine 20 inch 50 8 cm Hover...

Page 18: ...al 20 inch 50 8 cm HoverKing tapered handle is assembled the same way 5 5 HANDLE MOUNTING HOLES ________________________________________________ The HoverKing has two mounting positions for the handle...

Page 19: ...2 THROTTLE LEVER 20 INCH 50 8 CM HOVERKING ONLY _______________________ The throttle lever is to control the engine speed Push the throttle lever forward to increase the engine speed Pull the throttl...

Page 20: ...ot allow the starter handle to snap back into the recoil starter 6 2 3 DIPSTICK OIL CAP ________________________________________________________ The dipstick oil cap is used to check the engine crankc...

Page 21: ...to the left before you start the engine When the mower is not used close the fuel cap breather 6 2 7 CHOKE LEVER 16 INCH 40 6 CM HOVERKING ONLY __________________________ When you start a cold engine...

Page 22: ...e does not start during test 1 The engine does start during test 2 The engine continues to run during test 3 Refer to the chart below for each test and follow the check marks across the chart Turn off...

Page 23: ...le in operation The owner and operator are responsible for injuries caused to persons near the mower and any damage to their property 7 Be careful when you operate near to gravel areas roads parking a...

Page 24: ...hrottle lever forward to increase the engine speed as the engine becomes warm 16 Inch 50 8 cm HoverKing Start the engine with the operator behind or on the right side of the mower Check the engine oil...

Page 25: ...tand at the top of the hill Start at the bottom of the slope and work your way to the top When you must mow on steep or deep slopes use the handle extension kit for easy and safe operation Always stay...

Page 26: ...irt from blades and mower housing Make sure air inlet around engine base is not blocked Inspect the mower for hardware that is loose or missing Inspect the mower for damage Each 25 hours or 3 Months1...

Page 27: ...follow the engine manufacturer instructions you will make sure of the maximum service life of the engine The replacement engine manuals are available from the engine manufacturer Refer to the Engine M...

Page 28: ...iner d Replace the drain plug and fill the engine with the correct quantity and grade of oil through the filler 9 4 ENGINE AIR FILTER _______________________________________________________ Clean the...

Page 29: ...oblem and have the system repaired WARNING Refuel the mower before you start the engine When the engine is in operation or while the engine is hot never remove the fuel cap or add fuel to the mower Re...

Page 30: ...tighten the insert nuts if they are loose 9 Inspect the blade attachment bolts for excessive wear and to ensure they are properly tightened Make sure the correct blade bolts are used Using incorrect...

Page 31: ...lean water to wash your equipment Clean all plastic or rubber parts with a weak soap solution or use commercially available rubber cleaners Repair damaged metal surfaces and use Jacobsen touch up pain...

Page 32: ...g hole Slowly pull the starter rope several times to distribute the engine oil on the cylinder walls Install the spark plug Clean the outside surface of the engine Paint bare metal or apply a thin lay...

Page 33: ...ottom of the deck housing 3 Remove the engine shaft bolt washer and blade disk 4 Refer to the height of cut chart and install the correct number of spacers between the blade disk and the impeller 5 Us...

Page 34: ...tandard handle is installed the bail cable must be in the upper slot When the optional tapered handle is installed the bail cable must be in the lower slot Use the cable adjuster as required to adjust...

Page 35: ...09 1 4 20 in lb Nm 75 8 4 100 11 3 107 12 1 143 16 1 9 16 18 ft lb Nm 92 124 122 165 129 174 172 233 1 4 28 in lb Nm 85 9 6 115 13 0 120 13 5 163 18 4 5 8 11 ft lb Nm 113 153 151 204 159 215 211 286 5...

Page 36: ...ne 8 OPC System is not functioning 8 Test adjust or repair OPC System 9 Throttle or choke lever not in the CHOKE position 9 Move throttle or choke lever to CHOKE position Engine hard to start or loose...

Page 37: ...issing 4 Tighten or replace all three blade bolts 5 The blade disk is bent or warped 5 Replace the blade disk 6 One or more blades missing 6 Install three new blades 7 A blade is bent or broken 7 Inst...

Page 38: ...12 NOTES en 35 12Notes...

Page 39: ...serial number that is stamped on the name plate or serial plate of your product 4 Order by the quantity desired the part number and description of the part as given in the parts list 5 Send or bring t...

Page 40: ...mbers Notes 1 4325158 1 Upper Handle Includes Grip and Bail Handle 4325130 1 Handle Bail 2 4325129 1 Lower Handle 3 4325111 4 Carriage Bolt 5 16 18 x 1 1 2 4 4325123 4 Nut 5 16 18 Nylon Insert Flange...

Page 41: ...ail Handle 4325136 1 Handle Bail 2 4325142 1 Lower Handle 3 4325111 4 Carriage Bolt 5 16 18 x 1 1 2 4 4325123 4 Nut 5 16 18 Nylon Insert Flange 5 4325161 1 OPC Switch and Harness 6 4325108 1 Screw 1 4...

Page 42: ...39 1 2 3 14 15 4 5 6 7 7 8 9 10 11 16 19 13 17 17 18 18 18 20 20 20 12 17 21 21 21 22 23 23 HOVERKING HOVERKING 3 1 20 Inch HoverKing Deck Housing 20 Inch 50 8 cm HoverKing Mowers Serial No 32251 All...

Page 43: ...124 1 Fan Impeller 11 4325134 4 Spacer HOC 12 4325152 1 Screw 3 8 24 x 3 1 2 Grade 8 Used for 3 1 2 and 4 HOC 12 4325153 1 Screw 3 8 24 x 4 1 2 Grade 8 Used for 2 2 1 2 and 3 HOC 13 4325118 1 Washer D...

Page 44: ...41 1 4 5 6 7 7 8 9 10 11 12 13 16 19 17 15 17 18 18 18 20 20 20 21 21 21 22 23 23 2 3 14 15 HOVERKING HOVERKING 4 1 16 Inch HoverKing Deck Housing 16 Inch 40 6 cm HoverKing Mowers Serial No 32257 All...

Page 45: ...Grade 8 Used for 2 HOC 12 4325150 Screw 1 4 28 x 4 1 4 Grade 8 Used for 2 1 2 HOC 12 4325149 Screw 1 4 28 x 3 3 4 Grade 8 Used for 3 HOC 12 4325154 Screw 1 4 28 x 3 1 4 Grade 8 Used for 3 1 2 HOC 12...

Page 46: ...43 Handle Extension Kit 20 inch Tapered Handle Kit Wheel Kit 1 6 2 7 2 7 3 8 5 4 9 10 11 12 HOVERKING 5 1 Accessories Serial No All...

Page 47: ...Nylon Insert Flange 4 4325127 1 Cable Extended Bail 5 4325128 1 Extended Throttle Lever 32261 1 16 HoverKing Handle Extension Kit 6 4325132 1 Handle Extension 7 4325111 4 Carriage Bolt 5 16 18 x 1 1 2...

Page 48: ...122 37 4325123 37 38 40 44 4325124 40 4325125 40 4325126 40 42 4325127 44 4325128 44 4325129 37 4325130 37 4325132 44 4325133 44 4325134 40 4325135 40 42 4325136 38 4325137 38 4325138 42 4325139 42 43...

Page 49: ...46 INDEX...

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Page 52: ...n Performance Matters Equipment from Jacobsen is built to exacting standards ensured by ISO 9001 and ISO 14001 registration at all of our manufacturing locations A worldwide dealer network and factory...

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