Gebruiksaanwijzing /service van het product 250Z van de fabrikant Gravely
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2 Section 1 - Introduction . . . . . . . . . . . . . . . . . . 1-3 1.1 The Manual . . . . . . . . . . . . . . . . . . . . . . . . 1 -3 1.2 Ser v ice and R eplacement Par ts . . . . . . . . 1-3 1.3 Product Registration . . . . . . . . . . . . . . . . .
1 - 3 1.1 THE MANUAL The pur p ose of this m anual is to provide complete instr ucti ons f or ser vice, main tenance, disa ssembly , repair , and install ation of the mechani cal com ponents for the Promaster 260Z and 25 0Z.
2 - 4 T o reduce the in cidence of misplac ed tools or par ts, place removed components with al l attaching hardware in the d isassembly order on a clean work sur f ace. Organ ization is a ke y par t of pr oper reass embly . T oo ls, instr uments, an d par ts nee ded f or the job should be gather ed bef ore work is star ted.
2 - 5 Ope ratio n Understan d: • How to operate all con trols • The func tio ns of all cont r ols • How to ST OP in an E mergency • Speed ran ges Do not ope rate any of the control l e v ers or power tak e - off unle ss both feet are res ting on the platf or m.
2 - 6 Storage DO NO T store unit inside a buildi ng with fuel in the fue l tank wher e any ignition s ources are pres ent. All o w unit to cool complete ly . AL W A YS cl ean unit be f ore e xtended s torage. See Engine Manual f or proper storage. Battery A v oid Elec tric S hoc k.
3 - 7 SECTION 3 - SPECIFICATIONS Model N umber 992020 and 02 2 992018 992021 992023 992024 Model PM260Z 25 HP K ohler with 60" d eck PM260Z 25 HP K ohler with 50" d eck PM260Z 22 HP Robin wi.
4 - 8 4.1 CONTROLS AND FEA TURES SECTION 4 - GENERAL MAINTENANCE & ADJUSTMENTS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1. Mow er Dec k w ith Chute D eflector 2. Fuel Shut Off V alve 3. P arking Br ak e 4. Battery 5. Hour Me ter 6. Oil Pres sure Indicato r 7.
4 - 9 4.2 SERVICE P OSITIO N - 26 0Z T o ensure the unit is position ed in the pro per ser vice positi on: 1. Place unit on a f lat lev el surface. AL W A YS stop engine. Assur e unit is s ecure and will not tip over . Strap and clamp onto lift if used.
4 - 10 When ta king uni t out of extended storage: 1. Check f or any damag e or loose par ts. Repair , replace, or tighten hardware bef ore operati on, espec ially blade attachme nt bolt s. 2. If a pre ser v ative fluid was used in fuel tan k, drain and disc ard.
4 - 11 4.9 BASIC ENGINE MAINTENANCE See your engin e manual and S ection 5 of this manual for detailed informa tion o n the operation a nd mainten ance of your engi ne. 1. Each d a y bef ore operating, check the lev el of the oil in the engine. Nev er operate the en gine when the oil le v el is below the add m ark.
4 - 12 4.11 TIRES Before each use, ma k e a visua l check of tires. The correc t air pressu re is 12 -15 psi (83- 103 kn/m2) f or the rear tir es, and 20-25 ps i (138-17 2 kn/m2) for the front tires. 4.12 MOWER BLADES NO TE: If mow er is use d under san dy soil co nditions, replace blades when air l ifts becom e eroded through at ends (Figur e 9) .
4 - 13 4.13 STEER IN G CONTROL NEUTRAL ADJUSTMENT If the unit has e xcessive creep w hen the control lev ers are in neutral, adj ust as follows: (Figur e 10) 1. If hydraulic sy stem is co ld, r un unit for a mini mum of five minutes, then shut off unit.
4 - 14 4.15 A DJUSTING THE P ARKING BRAKE 1. The P arking Br ak e ma y be adjus ted thr ough t he use of t he jam nuts o n the brake rod which pu sh agains t the comp ression spr ing which pushes on the cal iper ar m.
4 - 15 4.17 LE VELING THE MO WER DEC K These ad justments should be made on a le v el sur f ace with the tires infla ted to the correc t air pressure. The mower is lev eled from s ide to si de with the slots where 4 c hains f asten to the mower mounting b r ackets.
5 - 16 5.1 ENGINE T ROUB LESHOOTING The follo wing troubleshooti ng char t is to be u sed to isola te engine pro b lems an d give possible causes and correcti v e actio n respon se s . The troubleshootin g ke y is gener ic and c an be use d f or se ver al type s of en gines.
5 - 17 5.2 REMOVING THE ENGINE 1. Plac e the m ow er in the f ull s ervice pos i tio n. 2. Di sconnect t he batter y cables, negative first. 3. Di sconnect i gnition w ires using th e connec tors. 4. Re mov e the belts fr om the pulley and clu tch. 5.
6 - 18 6.1 CHECKING THE HYDRAULIC FLUID LEVEL A check of the hydraulic fluid lev el should be m ade dai ly . NO TE: The oil lev el should b e centered b etween the two mar ks on th e dipstick. To C h e c k : Fi rst, remove any dir t that m a y be aroun d the cap on the tank.
6 - 19 6.4 REPLACING THE HYDRAULIC PUMP The two hydraulic pumps a re located i nside th e chassis in fron t of the engine. The pum ps are m aintenance fr ee and sho uld be re placed in th e e v ent of a f ailure. See Figure 15. T o R eplace a Hydraulic Pump 1.
6 - 20 6.5 RE PLACE W HEEL MOT OR Each dr ive wheel is mounted to a hydraulic dri v e motor . The dr iv e motors ar e maintenanc e free. In the e vent of a failure, the drive motors should b e replaced . T o Replace a Drive Motor 1. L oosen the wheel lugs 1/4 tur n.
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6 - 22 6.8 HYDRAULIC DIAGRAM A A B B A A B B A B Lift Cylinder Oil Filter Left Wheel Motor Upper Lower Right Wheel Motor Upper Lower PRESSURE RETURN SUCTION Right Pump Left Pump Oil T ank Deck Lo wer .
7 - 23 7.1 MOWER DEC K Mower Spin dles This uni t utilizes a ma intenanc e free extended life spindl e. No routine mai ntenance is required. In the ev ent of bear ing failure or a bent shaft the s pindle shoul d be r eplac ed. T o Remo ve the Spindle 1.
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9 - 25 9.1 T OOLS There are some spe cialized tools an d test equipment that are needed for electri cal repai r work. A brief descr iption of these follows. Long or needle nose pliers - used to connect or ben d wires and conne ctors in c lose qu ar ter s.
9 - 26 V oltage Measurement There are two basic rul es to be rem embered when using a v oltm eter . A voltmeter mea sures th e v olta ge difference between th e test lea ds and the voltmeter i s alwa ys co nnected ac ross the circuit un der test .
9 - 27 IMPORT AN T : When distil led water is add ed to batter y dur ing freez ing weather , batter y must be charged to mix water with ele ctrolyte, or w a ter will rem ain at top and fre eze . Battery Charger Under n orma l condit ions, the engi ne alter nator will hav e no problem keeping batte r y charg ed.
9 - 28 IMPORT AN T : Ch arging at hi gher rates wil l damage the batter y and cause excessive gassin g and aci d spe wing. J ump Starting The unit u sed f or jump star ting sho uld hav e a 12 volt batter y with at le ast 500 cold cranking am peres, and a negatively grounde d system.
9 - 29 Ignition Switc h NO TE: Ref er to the wir ing diagram of the unit inv olv ed to deter m ine switch functions and test u sing the meth - ods de scribed. The ignit ion s witch inco rp orates a number of fun ctions, althoug h not all f unctions ar e used on all equipme nt.
9 - 30 functio ning) or th e de vice i s open and is therefore defectiv e. Use an ohmm eter to check for continuity . 9.7 DIODES AND RECTIFIERS Diodes are solid state, semicondu ctor devices. They contai n no moving par ts and c onduct cur rent better in one dir ection than t he other .
9 - 31 9.8 WIRING DIAGRAMS Models 992018, 020, 021, 022, 024 87a 30 85 86 87 30 85 86 87 WHITE / BLACK ENGINE BLACK BRO WN KEY SWITCH 1 2 BRO WN / YELLOW BLACK RED / VIOLET SEA T SWITCH 12 PINK BLACK .
9 - 32 Model 992305 87a 30 85 86 87 30 85 86 87 WHITE / BLACK ENGINE BLACK BRO WN KEY SWITCH 1 2 BRO WN / YELLOW BLACK RED / VIOLET SEA T SWITCH 12 PINK BLACK PURPLE MA GNETO KILL RED BLACK HOUR METER.
9 - 33 Model 992023 87a 30 85 86 87 30 85 86 87 WHITE / BLACK ENGINE BRO WN KEY SWITCH 1 2 BRO WN / YELLOW BLACK RED / VIOLET SEA T SWITCH 12 PINK BLACK PURPLE MA GNETO KILL RED BLACK HOUR METER BLACK.
GRA VEL Y A Division of Ariens Company 655 West Ryan Str eet P .O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www .gravely .com.
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Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Gravely 250Z . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
