MTDメーカー18HPの使用説明書/サービス説明書
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MMZ Jr . Hydr ostatic Zer o-T urn Riding Mo wer OPERATOR’S AND SERVICE MANUAL MODEL 18HP 48" Stamped Deck.
2 T ABLE OF CONTENTS F ore word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Gener al Saf ety Operatio ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 FOR W ARD The 18 HP MMZ Jr . Hydrostatic Ze ro-T ur n Commercial Ridin g Mo wer pro vides supe rb maneu- v erab ility . The mach ine incorporate s many saf ety fea tures that shoul d be studied b y all oper a- tors bef ore use . The list o f saf ety precau tions should rece ive par ticular a tte ntio n.
4 GENERAL SAFETY OPERA TIONS A. D ANGER 1. Do not operate machine in confined areas where exhaust gases can ac cumulate. 2. D o no t ope rat e ma chin e wit hou t mo w er chut e deflector in pl ace and operatio nal. 3. Do not carr y passe ngers. B. W ARNING 1.
5 11. When looking f or oil leaks, nev er run your hand ov er h ydraulic ho ses, lines or fitt ing s. Ne ver tighten or adjust h ydraulic hoses, lines or fi ttings while the system is under pres sure.
6 SAFETY DECALS AND LABELS WARNING SHIELD MISSING DO NOT OPERATE Part Number : 0003 063 5 Do not put hands or feet under or into mower when engine is running.
7 SPECIFICA TIONS Engine: 18 HP B r iggs and S tratton V anguard Ty p e : V e r tic al a ir co oled Air Cleaner: Dual El ement Lube System: Pressu r ized wit h oi l fi lt er Starter: 12-v olt e l ectr.
8 OPERA TING INSTR UCTIONS A.General 1. When Mowing: a. K eep adults, chil dren, and pets aw a y from the area to be mowed. b . Wh en operat ing this mower , in the f orward direction , do not allow the steer ing lev ers to retur n to Neutral on thei r own.
9 c. A v oid tur n ing when go ing downhi ll, tractio n is at a mi nimum going downhill. d. Do not operate with disc harge s ide of the mower to w ard s treets, buildings, play- grounds, park ing lots, othe r machines, ani - mals, and other p eople. e.
10 4. Elect ric Bla de Clutch Switch: (See F igure 1.) Loc ated o n th e r ight side o f the mower beside th e ignition switch. This is an “on/off ” push pull switch that controls the elect ric blade clutch whic h supplie s power to the c ut- ting blades through t he PT O .
11 C.Initial Adjustments 1. Check the fluid levels and tires: Note: Th ese che cks sho uld be made dail y , bef ore starting the engine. a. Fue l: Us ing a g ood grade of unle aded, regular g asoli ne (for a gaso line engine ), fill the fuel tan k. When t he fuel reaches on e inch fro m the top of the tank , stop .
12 clockwise a fe w tur ns. Adjus t both fron t and rear De ck links as ne cessar y . Retighten nuts. f . Rai se the mowing d eck to the transp or t position usin g the transp or t lev er . g. Use the transpo r t le ver to lower the m ow- ing deck to the cutting p osition a nd repea t step “b.
13 ning. Si t down and the engine s hould run . T u r n off th e PT O by pushing the control s w itch down. h. T o dri v e i n the FORW ARD direction : 1.
14 d. T ur n the el ectr ic blade clutch switch “Off” . e. Push the throttle c ontrol to a posit ion a third of the wa y b etween slow and fast. f . Ins er t the key in the ignit ion and star t s w itch and t ur n the s witc h to “On ”. g. Gasoline Engin e: If the eng ine is cold, push the c hoke to the on p osition.
15 remo ving the lift linka g e fr om the dec k will cause it t o snap bac k. d. Detach the mower drive belt. e. Remov e s ix cotte r pins (S ee Fig. 6) (4) from the d eck and (2) from t he fron t of the mower .
16 e. Pull the te nsion er pulley a wa y from the be lt and rem ov e the P T O belt then rem ov e th e blade drive belt. f . Re verse the proc ess to install the be lt. Note: When re placing belts do not o ver- tighten. Adju st the idler pulle y so that a ten- pound pull with a spring scale betwee n tw o pulle ys deflects the belt about 1/2".
17 drain oil fr om both lef t and r ight axles. Replace and retig hten nuts. j. Coat new filter sea l with oil bef ore instal la- tion. Insta ll new h ydraulic oil fi lter filled wi th new oil. k. Add pr oper am ount of hydraulic oil t o res- er voir .
18 other elec tr ical component s. This is a stan- dard plug -in type aut omotive fuse rated at 7.5 amp . 7. Safety S wi tche s: There are f ive safety s witches in the electr ical circuit which control the eng ine.
19 the wiri ng har n es s and the co nnec tions to the sea t switch, the blade clutch s wi tch a nd the ele ctr ic blade clut ch. Then check out the sea t switch, the blade clutch s wi tch a nd finally the el ectr ic blade clut ch.
20 Note: If y ou wish t o move th e mow er by pushin g, y ou must r elease the dynami c brak- ing. Locate the le ver s at the rear of the mo wer . Pull both le vers out a nd lock in p osition. After pushing the mower to the d esired location, return bot h leve rs to the opera ting position (See photo b elow) .
21 ca vit at ion to de v e lop whic h can destro y the pumps in a shor t time. Contaminants or foreign matter in the oil will also damage the pumps . T o p re v ent th is, use a filte r that captur es par ti cles as small as 30 microns or 30 millionths of a meter in diame- ter .
22 i. Inspect t he hy d raulic hos es, line s and fit- tings. Replac e as neces sar y . j. J ack the mower up and store it on b locks to take the weight off of the tires. 2. T o Put the Mower Back in Servi ce: a. Check the batter y . Ch arge if n ecessar y .
23 . OIL CHAR T Apply a fe w drops of SAE 20W -50 en gine oil or use a sp ra y lubr icant . Apply the oil to bo t h sides of pivot points. Wipe o ff any e xce ss.
24 P erfo rmance Adjustm ents A. High Speed T racking Adjustment If mower tracks to one s ide wit h both lap b ars in fully f orward posit ion: 1. Check air pressure in all f our t ires: a. Pressur e should be withi n speci fied ranges and balan ced s ide-to- side.
25 g. V erif y proper th rottle ad justment by check- ing RPM r eadings as out lined above . C. Dec k Corner Ball Wheel Roller Settings 1. Matching the s et height s of the ball rol lers on the four cor ners of the mow er deck to the desired cut height will prev ent edge scalping and minimize any side-to- side variance in cut height .
26 1. P ark the mow er on a flat pa ve d surf ace, engage the parking br ak e, shut off the e ngine , rem ov e the k e y fro m the igniti on s witch, disconn ect the spark plug wires and usi ng the tra nsport lev er , lo we r the m owi ng dec k into the 4" heig ht of cut position.
27 WIRING DIA GRAM.
EQUIPMENT TWO-YEAR LIMITED WARRANT Y This w arranty is spec ific to t he produ ct manua l it is a ttached to. For a comp lete list of produc ts and warra nties cont a ct your MTD Pro dealer. Proper maintenance of your MTD Pro equipment is the owner’s responsibility.
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