Gravely CONVERTIBLE 7.6 manuale d’uso

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1 THA NK YOU f or your investment in Gravely equipment . It is an investment, f or the G ravely w ill save you work and worry for m any years. You will gain still gr eat er sat isfact ion f rom your G r avely if you add the tools you need for your other jobs. From t im e t o t im e we sugg est you consult your dealer f or the many Gr avely attachm [...]

2 TABLE OF CONTENTS Safety Instructions 3 Introductions 4 Operation 5 Starting 5 Operating the Tractor 6 Maintenance 7 Specifications 9 Attachments 10 30" Rotar y Mower 10 30" Rotar y Mower At tachmen ts 11 40" Rotar y Mower 12 Sickl e Mower 13 Lawn C are 14 Twin Tool Gardening 15 Cultivator Toolholder 17 Snowblower 1 8 48" Snow[...]

3 SAFETY INSTRUCTIONS TRAINING 1. Read the I nstruction Manual c arefully . Be thoroug hly fa miliar with the controls and proper use of the equipment. 2. Never allow children to operate tractor. 3. Keep the area of operation clear of all persons, particularly small children and pets. PREPARATION 1. Thoroughly inspect the area where the equipment i[...]

4 INTRO DUCTION Th e G rave l y C onvert ibl e 7 . 6 T ractor i s ava il a bl e i n two mo d e l s - t h e Custom and the Super. The Super has the added feature of electric starter and governor. The Convertible 7.6 Tractor is powered by a Gravely eng ine producing 7.6 horsepower. All g ear drive allows power to be transmitted directly from the engi[...]

5 OPERATION Throttle - Depr ess the throttle to ac celerate engine, rais e to decelerate engine. Choke - Pull to chok e; push for ward fully for norm al operation. Operating Levers - The oper ating levers, one f or high an ow speeds and one for forward and revers e are located on the right tractor handle. Range Control - On tr actors with the optio[...]

6 OPERATIN G THE TRACTOR Figure 3 Figure 4 W hen starting the tractor, have high- low and forward- reverse c ontrol levers in neutr al and the attachm ent clutch contr ol pushed for ward fully in the disengaged position. If the trac tor is the eight speed trans mis sion m odel the Range Selection Lever should be in the pos ition for the range in wh[...]

7 Figure 5 MAINTENANCE LUBRICATION Filling the chass is to its 5 pint (2.36L.) c apacity w ith m otor oil lubricates both the engine and tr ansm ission. Do not use transm iss ion oil or grease. T he following is recom m ended: Summ er - SAE 30 or SAE 10W -30. API Classif ication - SC or SD W inter - (32 degrees F or below) SAE 10W or SAE 10W -30 AP[...]

8 Figure 7 damaged in any way . Also, replac e elem ent if there is any evidenc e of dirt on the inside s urfac e of the element. DO NOT wash dry elements in any liquid or attempt to blow dirt off with air hose as this will puncture the f ilter element. Handle new element car efully - do not use if the gask et surf aces are bent, twisted, or dam ag[...]

9 Figure 8 Figure 9 1. Screw the jet adjus tm ent valve (a brass T-valve) in until it is snug. Do not f orce or s crew it tightly . 2. Back off the j et adjustm ent valve 1 1/2 turns. 3. Star t the engine and open the throttle halfway. After the engine warms up, begin screwing the jet adjustm ent valve in slowly. As soon as the engine slows down, s[...]

10 ATT A CH MENT OPER A TING INSTRUCT IONS 30" ROTARY MOWER Fi g ure 10 Figure 11 LUBRICA TION Use SAE 140 or 90W EP gear lubricant in the G ear Housing. Use Gener al Purpose Gr ease occas ionally in the Gear Fitting of the Swivel Casting. Check the Gear Housing oil level ever y eight hours of operation by removing the Oil Level Plug ( Figure [...]

11 Fender A djustment W hen mowing short weeds and lawns, the Front Fender (the sm all fender ) should be on the f ront of the Mower Hood, and the Rear Fender (T he Larger F ender) on the rear. However, when mowing high, heavy br ush, or thick tough grass of consider able height, better m owing results will be obtained by rem oving the Fr ont Fende[...]

12 40" MOWER Fi g ure 16 Figure 17 LUBRICA TION Check the Gear Housing oil level ever y eight hours of operation by removing the Oil Level Plug s hown at A in Figure 17. If oil r uns out, the oil level is all right, if not, oil m ust be added until the proper oil level is obtained. To add oil, r emove the O il Filter Plug shown at B in Figure [...]

13 SICKLE MOWER Figure 18 Figure 19 LUBRICA TION Check the Drive Assem bly oil level every 8 hours of operation by removing the Oil Level Plug, ( 8 in Figure 19). If oil r uns out, the oil level is all right; if not, oil m ust be added. To add oil, re move the O il Filter Plug, (2 in Figure 19) , and pour through the Oil F iller Hole until oil begi[...]

14 LAWN CARE Lawn Roller Figure 20 Roll out lawn problems with Gravely's Lawn Roller attachm ent. W ater filled Lawn Roller follows ground c ontour to level y our lawn, tak e out unsightly humps. Compac ting the soil gives you a more c lose k nit, firm ly rooted lawn, mor e resistant to weeds, diseas e, and drought. Particularly use for r olli[...]

15 plate attached to the Hopper. Sim ply set the Port Lever to the indicate opening to distr ibute seed or fer tilizer properly. Care of Hopper Assem bly : Many m aterials used in the Seeder-Spreader , especially certain fert ilizers, are corros ive. Abrasives also ar e present. T his m eans the protective paint soon will wear of f the Port As sem [...]

16 Fi g ure 25 OPERA T ING INSTRUCT IONS To plow, firs t run a fur row down the center of the land to be plowed. Then pivot the T ractor at the end of the furr ow so the Right Depth W heel is in the furrow jus t made. Continue this way so the dir t is alway s thr own toward the center (see F igure 25). If you are plowing a large area, y ou will be [...]

17 OPERA T ING HINT S The Rotar y Cultivator is designed for cultivating soil which has been brok en previously. It is not recom m ended for use as a Plow. Use the Gr avely Rotary Plow to prepare a seedbed in one operation and the Rotary Cultivator for c ultivation throughout the season. STO RA GE W hen the Cultivator is detached from the Drive Ass[...]

18 Figure 31 Furrowers c an be used to lay off rows f or planting. Also, many users f ind the Furrowers good tools for digging potatoes. For s maller furrowers , seven-inch ( 17.78cm ) Shovel Steels are available; these c an be used to lay off sm all seed crops and for c enter row cultivation. Sweep and Hoe Set-Up uses an im proved Sweep in the cen[...]

19 Figure 32 Figure 33 The Nut should be tightened to 85 to 95 lb. f eet of tor que. Over tightening can c ause dam age to the Snowblower. Control Shaft Clutch. The Fan Housing is pr evented from rotating by a sm all Friction Clutch on the T op Sprock et Housing Shaft, ex cept when the Control Crank is turned by the Operator. The res istance of the[...]

20 STEERING SULKY RIDING SULKY Figure 35 Figure 37 Figure 36 Figure 38 MOUNT ING: The s ulky chassis weldm ent attaches to each s ide of the rear hitch of the tractor. It is secured in plac e by installing the hitch bolt thr ough the sulky chassis weldment and the hitch of the tractor. Place a flatwasher on the hitch bolt, and s ecure in place us i[...]

21 Products m anuf actured by Gravely are warr anted to be free f rom defective m aterial and work m anship for a per iod of one y ear f rom date of purc hase, under norm al use by a homeowner, and f or a period of ninety (90) days from date of purchase, when used f or com m ercial pur poses. Any def ective part m anufac tured by Gravely will be re[...]