Instruction/ maintenance manual of the product PR-521 Cub Cadet
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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 .
2 TABLE OF CONTENTS Cont ent P age Important Safe O peratio n Prac tices ................. ............. ............. ............. ........... 3 Slope G auge ............. ............. ............. .................... ............ ............. .
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.
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.
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.
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 C.
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.
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.
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 .
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.
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.
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.
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 .
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 .
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.
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.
An important point after buying a device Cub Cadet PR-521 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cub Cadet PR-521 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cub Cadet PR-521 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cub Cadet PR-521 you will learn all the available features of the product, as well as information on its operation. The information that you get Cub Cadet PR-521 will certainly help you make a decision on the purchase.
If you already are a holder of Cub Cadet PR-521, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cub Cadet PR-521.
However, one of the most important roles played by the user manual is to help in solving problems with Cub Cadet PR-521. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cub Cadet PR-521 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center