Husqvarna 55B21HV manual

55B21HV Owner’ s Manual 532 18 63-04 Re v . 4 03.17.04 BY Printed in U.S .A.[...]

2 Safe Operation Practices f or W alk-Behind Mo wer s IMPORT ANT : THIS CUTTING MACHINE IS CAP ABLE OF AMPUT A TING HANDS AND FEET AND THRO W ING OBJECTS. F AILURE T O OBSER VE THE FOLLO WING SAFETY INSTR UCTIONS COULD RESUL T IN SERIOUS INJUR Y OR DEA TH. SAFETY R ULES I. GENERAL OPERA TION • Read, understand, and f ollow all instructions on the[...]

3 PR ODUCT SPECIFICA TIONS Gasoline Capacity 1.0 Quar ts and T ype: (Unleaded Regular Only) Oil T ype (API-SF-SJ): SAE 10W-30 Oil Capacity: 18.5 Ounces Spark Plug: NGK BPR6ES (Gap: .030") V alve Clearance: Intake: 0.015 mm (± 0.04 mm) Exhaust: 0.020 mm Blade Bolt T orque: 36-44 ft. lbs. (49-60 N-m) CONGRA TULA TIONS on your purchase of a ne w[...]

4 ASSEMBL Y Read these instructions and this man u al in its entirety bef ore you attempt to assemb le or operate y our ne w la wn mow er . IMPORT ANT : THIS LA WN MOWER IS SHIPPED WITH- OUT OIL OR GASOLINE IN THE ENGINE. Y our new la wn mow er has been as sem bled at the f actor y with the e x cep tion of those par ts left unassembled f or ship- p[...]

5 T O ASSEMBLE GRASS CA TCHER (See Figs. 3 and 4) 1. Slide grass catcher bag o v er the frame . Make sure the rear handle is on top (the same side as the front handle) and the strap is on the bottom. 2. Slip vin yl bindings ov er fr ame. NO TE : If vinyl bindings are too stiff , hold them in warm water f or a f e w minutes. If bag gets wet, let it [...]

6 KNO W Y OUR LA WN MO WER READ THIS OWNER'S MANU AL AND SAFETY RULES BEFORE OPERA TING Y OUR LA WN MO WER. Compare the illustrations with y our lawn mo wer to f amiliar ize y ourself with the location of various controls and adjustments. Sav e this man ual f or future ref erence. MEETS CPSC SAFETY REQUIREMENTS Our rotar y walk-behind po wer l[...]

7 BLADE CONTROL (See Fig. 6) CA UTION: When the blade control is engaged, the blade turns. When the blade contr ol is disengaged, the b lade stops. • Y our la wn mow er has a blade/br ak e clutch f astened to the engine crank shaft, which star ts or stops the blade . T o star t the blade , hold the operator presence control bar down to the handle[...]

8 • Lift the round door of the discharge chute and place the grass catcher into place on the discharge chute . NO TE: Be sure round door of discharge chute rests on grass catcher as sho wn. • Mo wer is no w ready f or rear bagging operation. • T o conv ert to mulching operation, remov e gr ass catch er and discharge chute. Secure mulcher door[...]

9 OPERA TION T O EMPTY GRASS CA TCHER (See Figs. 12 and 13) 1. Open round door of discharge chute to mov e star ter rope out and aw a y from gr ass catcher . FIG. 12 ROUND DOOR ST ARTER ROPE OPEN FRONT HANDLE 2. Remove g rass catcher with clippings from la wn mow er using both front and rear handles. 3. Empty clippings from bag using rear handle an[...]

10 OPERA TION BEFORE ST AR TING ENGINE ADD OIL (See Figs. 14 and 15) Y our lawnmow er is shipped without oil in the engine. F or type and grade of oil to use , see “EN GINE” in the Maintenance section of this manual. CA UTION: DO NO T overfi ll engine with oil, or it will smoke hea vily fr om the m uf- fl er on star tup. 1. Be sure la wnmo we[...]

11 • Cer tain types of grass and grass conditions ma y require that an area be mulched a second time to completely hide the clippings. When doing a second cut, mo w across (per pendicular) to the fi rst cut path. • Change your cutting patter n from week to week. Mow nor th to south one week then change to east to west the ne xt week. This will[...]

12 ➁ ENGINE OIL ➀ HANDLE BRA CK ET MOUNT ING PINS ➀ REAR DOOR HINGE ➀ MULCHER DOOR HINGE PIN Check f or Loose F asteners Clean / Inspect Grass Catcher * Check Tires Check Driv e Wheels *** Clean Lawn Mo wer **** Clean under Drive Co v er *** Check Driv e Belt / Pulle ys *** Check / Sharpen / Replace Blade Lubrication Clean and Recharge Batt[...]

13 LA WN MO WER Alwa ys observe saf ety rules when perf orming any main- te nance. TIRES • K eep tires free of gasoline, oil, or insect control chem- i cals which can har m rubber . • A v oid stumps, stones , deep ruts, sharp objects and other hazards that ma y cause tire damage. DRIVE WHEELS Check rear driv e wheels each time be fore y ou mow [...]

14 AIR FIL TER Y our engine will not r un properly and may be damaged by using a dirty air fi lter . Replace the air fi lter e very 100 hours of operation or e v ery season, whichev er occurs fi rst. Ser vice air cleaner more often under dusty conditions. See the main te nance section of your engine man ual. MUFFLER Inspect and replace corroded [...]

15 7. Use a wood bloc k between b lade and mow er hous ing to pre v ent blade from turning when re mov ing b lade bolt. NO TE: Protect y our hands with glov es and/or wr ap blade with heavy cloth. 8. Remo v e blade bolt. 9. Remov e b lade, attaching hardw are (bolt, loc k wash er , hardened wash er), blade adapter and debris shield as one assembly [...]

16 SER VICE AND ADJUSTMENTS 2. Route the other end of the new drive belt through hole in housing. 3. Reattach debris shield to housing with screw pre vi- ously remov ed. Be sure tab of debris shield is in gap of housing. 4. P osition b lade on the blade adapter aligning the tw o (2) holes in the blade with the r aised lugs on the adapter . 5. Be su[...]

17 HANDLE (See Figs. 25 and 26) Y ou can fold y our la wn mow er handle f or storage . 1. Loosen the two (2) handle knobs on sides of the upper handle and allow handle to f old do wn to the rear . 2. Remo v e the two (2) handle knobs and carriage bolts on sides of the lower handle and piv ot entire handle as sem bly f orward and allow it to rest on[...]

18 Does not start 1. Dir ty air fi lter . 1. Clean/replace air fi lter . 2. Out of fuel. 2. Fill fuel tank. 3. Stale fuel. 3. Empty fuel tank and refi ll tank with fresh, clean gasoline. 4. W ater in fuel. 4. Empty fuel tank and refi ll tank with fresh, clean gasoline. 5. Spark plug wire is disconnected. 5. Connect wire to plug. 6. Bad spark pl[...]

19 R O T AR Y LA WN MO WER - - MODEL NUMBER 55B21HV (55B21HV A) PR ODUCT NUMBER 954 22 32-27 GEAR CASE ASSEMBL Y - - P AR T NUMBER 532 18 36-99 KEY P ART NO . NO . DESCRIPTION 1 817 54 10-11 Scre w , T apping #10-24 x .668 2 532 16 06-72 Gear Case , Upper 3 532 05 70-72 Seal 4 532 18 39-08 Driv e Shaft 5 532 16 08-18 Bearing, Needle, Thrust 6 532 0[...]

20 R O T AR Y LA WN MO WER - - MODEL NUMBER 55B21HV (55B21HV A) - PRODUCT NUMBER 954 22 32-27[...]

21 R O T AR Y LA WN MO WER - - MODEL NUMBER 55B21HV (55B21HV A) - PRODUCT NUMBER 954 22 32-27 1 532 18 60-03 Handle , Grassbag, Rear 2 532 06 53-22 Hairpin Cotter 3 532 18 34-83 Rod, Rear Handle , Grassbag 4 532 18 52-28 Gr assbag 5 532 18 34-81 F rame, Gr assbag 6 812 00 00-14 E-Ring 7 532 18 60-02 Door , Grassbag 8 532 18 34-79 Rod, Piv ot - - 53[...]

22 R O T AR Y LA WN MO WER - - MODEL NUMBER 55B21HV (55B21HV A) - PRODUCT NUMBER 954 22 32-27[...]

23 1 532 18 53-12 Driv e Control Assembly , Complete (Consists of K e y Numbers 2 through 7) 2 532 18 82-79 Co v er , Dr ive Control, T op 3 532 18 73-53 Pulle y , Drive Control 4 532 19 02-83 Le ver , Dr ive Control (b lue) 5 532 18 82-78 Co v er , Dr ive Control, Bottom 6 532 18 16-98 Scre w , T orx Head #8-5/8 7 532 18 70-97 Br ack et, Mounting,[...]

24 SECTION 1: LIMITED W ARRANTY Husqvarna F orest & Garden Compa ny (“Husqv arna”) warrants Husqv arna product to the or igin al pur- chaser to be free from defects in material and workmanship from the date of purchase f or the “W a rranty P eriod” of the product as set forth below: Lifetime W arranty: All tiller tines against breakage,[...]