Cub Cadet PR-521 manual

21” Rear & Side Disc har ge Mulc hing Mo wer Model PR-521 (11A-438C100) PRINTED IN U.S .A. Oper ator’ s Man ual FORM NO . 770-10088A.fm (12/99) IMPORT ANT : READ SAFETY R ULES AND INSTRUCTIONS CAREFULL Y CUB CADET CORP . P .O . BO X 368023 CLEVELAND , OHIO 44136-9 722 Warning: This unit is equipped with an internal combustion engine and sho[...]

2 TABLE OF CONTENTS Cont ent P age Important Safe O peratio n Prac tices ................. ............. ............. ............. ........... 3 Slope G auge ............. ............. ............. .................... ............ ............. ............. ..... 6 Assembl ing Yo ur Lawn Mower ............ ............. ............. ........[...]

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES This symb ol poin ts out imp ortant saf ety instr uctio ns which, if not follow ed, could end anger the pe rsonal safety and /or proper ty of your self an d others. Rea d and foll ow all in structi ons in this manual before attempt ing to operat e your lawn mower. Fai lure to com ply wit h these inst [...]

4 • Mow only in daylight or good artifici al light. • Stop the blade when crossing gravel drives, walk s or roads. • If the equipment should start to vibrate abnormally, stop the engine and check im mediately for the cause. Vibration is generally a warning of trouble. • Shut the engine off and wait until the blade comes to a complete stop b[...]

5 • Never attempt to make a wheel or cutting height adjustment while the engine is running. • Gras s catcher components are subject to wear, damage and deterioration, which could expose moving parts or allow objec ts to be thrown. For safety protection, frequently check components and replace with manufacturer’s recommended parts, when necess[...]

6 SECTION 2: SLOPE GAUGE Use this pag e as a guide to de termine s lopes wher e you may not operate the lawn mow er safely. 15° SIGHT AND H OLD T HIS LEVEL WIT H A VE RTICAL TR EE A POWE R PO L E A CORNER OF A BU ILDING OR A FEN C E PO ST F O L D O N D O T T E D L I N E , R E P R E S E N T I N G A 1 5 ° S L O P E USE THI S PAGE AS A GUI DE T O DE[...]

7 SECTION 3: ASSEMBLING YOUR LAWN MOWER T o R e m o v e U n i t F r o m C a r t o n • Remove stap les, break gl ue on top fla ps, or cut tape at cart on end and pee l along top fl ap to open car ton. • Remove lo ose parts if include d with uni t (i.e., operator ’ s manual, etc .). • Cut along c orners and la y carton do wn flat. Remove pac [...]

8 Assembling Gr ass Catcher NOTE: Make certa in bag is turne d right s ide out befo re assembl ing (war ning lab el will be on th e outside) . Parts for So ft Grass Bag: 1. Front Frame & Rear F rame 2. Grass Ba g Assemb le grass bag as follow s: • Join the rear frame and fr ont frame as sembly as shown in F igure 5A. • Place bag over fra me[...]

9 SECTION 4: KNOW YOUR LAWN MOWER Compare the il lustration in F igure 9 with your lawn mo wer to familiari ze yo urself with the locatio n of v arious control s and ad justm ents. WARNING: The operation of any lawn mower can result in foreign objects being thrown into the eyes, w hich c an result in se vere eye damage . Always wear safety g lasses[...]

10 T o Start Engine and Engage Blade WARNING: Never run engine indoors or in enclosed, poorly ventilated areas . Engine exhaust contains carbon monoxide, an odorless and deadl y gas. Keep hands, fe et, hair and loose c lothing away from any moving parts on e ngine and lawn mower. • Move throttl e control lever to the fast (rabbit) position . • [...]

11 wheels mus t be placed in the same relati ve pos ition. S ee Figur e 10. Fig ure 10 Handle Height Your mower is shipp ed with the handle in the hi gher height pos ition.To lower the hand le heig ht for your conveni ence, proce ed as f ollows . • Remo ve the star ter ro pe fr om th e rope guid e. • Remove the upper handl e by removin g the ha[...]

12 NOTE: An unba lanced blade wil l cause ex cessive vibratio n when rotating at high speeds and may cau se damage to the mo wer and/ or personal injury. • The bla de can be te sted by bala ncing it on a round shaft screw driv er. See Figur e 14. Remo ve meta l from the heav y side unt il it balances evenly. It i s recomm ended that t he blade al[...]

13 SECTION 8: OFF-SEASON STORAGE The follo wing ste ps should be taken to prepare la wn mower fo r stor age. • Clean an d lubri cate mowe r thoroughl y as d escribed in the lu bricati on inst ruction s. • Refer to eng ine manu al for corr ect engine s torage instruc tions . • Coat mower ’ s cuttin g blade wi th chas sis grea se to prevent r[...]

14 SECTION 10: PARTS LIST FOR MODEL PR-521 1 11 9 7 82 16 15 18 3 2 19 4 6 4 31 50 48 47 44 45 64 56 20 55 63 36 34 33 32 40 39 57 59 20 45 44 43 41 42 59 23 66 67 58 30 51 53 62 65 81 49 22 72 21 14 13 12 71 52 54 39 40 29 A A 83 45 46 76 80 45 79 76 76 79 80 76 46 77 59 77 17 68 69[...]

15 Model PR-521 Ref. No. Part No. Descript ion 1 647-0004 Control Handle As sembly 2 710-1205 Rope Gu ide 3 720-0279 Handl e Knob 1/4-20 Thd . 4 710-1174 Curved Hd. Bolt 5/16-18 x 2" Lg. 6 720-0314 Hand K nob 7 710-1270 Oval C-Sunk Mac h. Scr. 9 712-0324 Hex L- Nut 1/4-20 T hd. 11 749-0705 Upper Hand le 12 720-0295 Foam G rip 13 749-0928 Lower[...]

MANUF A CTURER ’ S LIMITED W ARRANTY FOR: TW O-YEAR RESIDENTIAL ONE-YEAR COMMERCIAL Proper m ainten ance of your Cub Ca det eq uipment i s the owner ’ s re sp onsib il ity . Fo ll ow the ins t ru ct ion s in your operator ’ s manual for c orrect lubric ants and m aintena nce sc hedule. Your Cub Cad et dealer carr ies a complet e line of qu al[...]