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Husqvarna HU800H Support Question

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Question posted by cotyak on April 23rd, 2016

Loud Rattle Or Vibration.

I have a loud rattle or vibration only when my mower is moving. Any idea what is loose or rattling around?? Randy Coty

Current Answers

Answer #1: Posted by tony4krause on April 25th, 2016 2:43 AM
This answer was accepted by the poster of the original question.
tony4krause

Member since:
April 25th, 2016

Points: 2,300
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check for any loose nuts or bolts that support the plastic engine cover on top of the mower. Also check the oil level and make sure it is ok, low oil can cause internal motor noises that could eventually harm it. Try listening to it closely while running and determine where the sound is loudest.

Related Husqvarna HU800H Manual Pages

Parts List - Page 1

NUMBER 96143009900 581 70 87-27 02.19.13 BY ID. ILLUSTRATED PARTS LIST MODEL NUMBER HU800H PRODUCT NUMBER 961 43 00-99 MFG.
Parts List - Page 3

IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. HUSQVARNA ROTARY LAWN MOWER - HU800H (96143009900) PRODUCT NO. 961 43 00-99 KEY PART NO. NO....43 73-89 - - 581 70 85-49 - - 581 70 85-31 DESCRIPTION Spring, Torsion Nut, Hex Kit, Lawn Mower Housing Rod, Hinge Blade Adapter Blade, 22" Washer, Hardened Washer, Helical Screw, Machine, Hex Head 3/8-24 x 1-3/8 Grade...
Parts List - Page 5

HUSQVARNA ROTARY LAWN MOWER - HU800H (96143009900) PRODUCT NO. 961 43 00-99 KEY PART NO. NO. 33 532 40 91-48 34 532 19 74-80 35 532 43 05-... Head Pawl, Drive Wheel & Tire Assembly, Rear KEY PART NO. inches. 1 inch = 25.4 mm. MODEL NO. Failure to do so could be hazardous, damage your lawn mower and void your warranty.
Operation Manual - Page 1

... warranty. L'utilisation d'essence contenant plus de 10 % d'éthanol annulera la garantie du produit. 586 38 16-32 Operator's Manual Manuel de L'Opérateur HU800H / 961430099 Please read the operator's manual carefully and make sure you understand the instructions before using the machine. English/French
Operation Manual - Page 2

...areas. If a spark arrester is required by the operator. BECOME ALERT!!! WARNING: This lawn mower is equipped with plug. Always wear substantial footwear with a spark arrester meeting applicable local... the above is used on the machine and in the manual(s) before and while moving backwards. • Never direct discharged material toward the operator. A spark arrester for...
Operation Manual - Page 4

... your nearest authorized service center/ department. Remove loose parts included with holes in lower handle with mower. 2. HOW TO SET UP YOUR LAWN MOWER TO UNFOLD HANDLE (See Figs. 1 and ... dependability and performance. ASSEMBLY Read these instructions and this owner's manual. Your new lawn mower has been assembled at . 3. All parts such as necessary to operating position and...
Operation Manual - Page 5

...grass catcher frame into loop of bag on the bottom. Slip vinyl bindings over frame. To convert mower to be used as a mulcher. KNOB BOLT ASSEMBLY INSTALL STARTER ROPE (See Fig. 4) 1. ...OPENING ENGINE STARTER ROPE FIG. 4 TO INSTALL ATTACHMENTS Your lawn mower was shipped ready to bagging or discharging, see "TO CONVERT MOWER" in warm water for a few minutes. Make sure the...
Operation Manual - Page 6

... meaning. MULCHER DOOR MUFFLER SPARK PLUG MEETS CPSC SAFETY REQUIREMENTS Our rotary walk-behind power lawn mowers conform to discharge or bagging operation. DRIVE CONTROL LEVERS - used to familiarize yourself with...CAP FUEL VALVE LEVER AIR FILTER HOUSING ENGINE OIL CAP WITH DIPSTICK IMPORTANT: This lawn mower is running. The use in this manual for use of any gasoline exceeding 10%...
Operation Manual - Page 7

...a drive control lever only. To lower mower, move lever forward to start and operate the mower. Proceed as required. 4. HOW TO USE YOUR LAWN MOWER ENGINE SPEED The engine speed was set at..."loose", resulting in decreased speed. Turn unit off and disconnect spark plug wire from spark plug. 7 LEVER FORWARD TO RAISE MOWER FIG. 6 Do not under any adjustments or repairs. To raise mower, move ...
Operation Manual - Page 8

... Rear door closed or approved grass catcher in place. CAUTION: Do not run your lawn mower without rear door closed . 2. MOWER IS NOW READY FOR DISCHARGING OPERATION FIG. 8 8 Mulcher door closed . 2. Grass ... to bagging or discharging: REAR BAGGING (See Fig. 7) • Lift rear door of the lawn mower and place the grass catcher frame hooks onto the grass bag brackets. • To convert to be...
Operation Manual - Page 9

...Purchase fuel in the fuel tank or permanent damage may need to change the oil more often under lawn mower handle. 3. Acidic gas can attract moisture which leads to protective coatings on grass catcher using ethanol... up on the engine, a small amount of this manual. it run until blade and all moving parts have stopped and turn fuel valve to OFF position if you do not intend to the handle...
Operation Manual - Page 10

... and grass conditions may require that an area be noticed. When doing a second cut, mow across (perpendicular) to reduce ground speed and/or run the lawn mower over the area a second time. • For extremely heavy cutting, reduce the width of the grass blades (See Fig. 12). Wet grass tends to south...
Operation Manual - Page 11

... EACH USE AFTER EACH USE EVERY 10 HOURS EVERY 25 HOURS OR SEASON EVERY 100 HOURS BEFORE STORAGE Check for Loose Fasteners Clean / Inspect Grass Catcher * Check Tires Check Drive Wheels *** Clean Lawn Mower **** Clean under Drive Cover *** Check Drive Belt / Pulleys *** Check / Sharpen / Replace Blade Lubrication Clean and Recharge Battery ** Check Engine...
Operation Manual - Page 12

... steel bolt or pin and hold the bolt or pin parallel with a file or on to lawn mower or engine. • The blade can harm rubber. • Avoid stumps, stones, deep ruts, ...cause tire damage. The lobes of gasoline, oil, or insect control chemicals which can be sure they move freely. IMPORTANT: TO ENSURE PROPER ASSEMBLY, CENTER HOLE IN BLADE MUST ALIGN WITH STAR ON BLADE ...
Operation Manual - Page 13

... dusty conditions. 1. CONTAINER FIG. 15 4. Always be kept clean and free of engine. Tip lawn mower on the tube. If very dirty, replace cartridge. 13 MAINTENANCE GRASS CATCHER • The grass ... hosed with lubricant to the proper level at the factory. Through normal use . Give the lawn mower model number when ordering. GEAR CASE • To keep your engine oil level frequently to...
Operation Manual - Page 14

..., whichever occurs first. IMPORTANT: BE SURE THE GARDEN HOSE IS NOT ROUTED UNDER THE LAWN MOWER HOUSING OR ENTANGLED IN THE WHEELS. 5. Move lawn mower to remove excess water from fitting. CLEANING IMPORTANT: FOR BEST PERFORMANCE, KEEP MOWER HOUSING FREE OF BUILT-UP GRASS AND TRASH. Turn on underside of this manual. CAUTION: Do...
Operation Manual - Page 15

... The rear deflector, attached between the rear wheels of your lawn mower has three (3) height positions - Turn lawn mower on its side with bolt and knob. Remove debris shield. 7. Reinstall... 2. Make sure the blade and all moving parts have completely stopped. 3. TO ADJUST HANDLE (See Fig. 20) The handle on one side of the mower into the operator's mowing position. Place ...
Operation Manual - Page 16

...down to lower handle or handle brackets for damage, breakage and wear. LAWN MOWER When lawn mower is not adjustable. Clean entire lawn mower (See "CLEANING" in the Maintenance section of this manual). 2. Replace ..., grease, leaves, etc. Be sure that all rusted or chipped paint surfaces; Inspect moving parts for safe keeping. • When setting up all nuts, bolts, screws, and...
Operation Manual - Page 17

...Allow the engine to plug. 6. Clean/replace air filter. 2. Stale fuel. 3. Loose blade or broken blade adapter. 7. NOTE: Fuel stabilizer is disconnected. 5. Do not empty... AND FORMATION OF ACIDS DURING STORAGE. Remove spark plug. 2. CAUTION: Never store the lawn mower with fresh, clean gasoline. 4. Connect battery to distribute oil. 4. Pull starter handle ...
Operation Manual - Page 18

... not right for you. 1. "Loose" drive control system. 1. Check/reinstall drive belt. 3. Adjust drive control. 18 Buildup of lawn mower housing or cutting blade dragging in ... heights uneven. 3. Buildup of mower housing. Clean underside of grass, leaves and trash under mower. 5. Excessive vibration 1. Blade adapter broken. 4. Move lawn mower to upper handle before starting. ...

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