Instruction/ maintenance manual of the product 18HP MTD
Go to page of 28
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.
An important point after buying a device MTD 18HP (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought MTD 18HP 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 MTD 18HP - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, MTD 18HP you will learn all the available features of the product, as well as information on its operation. The information that you get MTD 18HP will certainly help you make a decision on the purchase.
If you already are a holder of MTD 18HP, 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 MTD 18HP.
However, one of the most important roles played by the user manual is to help in solving problems with MTD 18HP. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device MTD 18HP 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
