Snapper 150Z Series manual

OPERA T OR’S MANU AL 18.5, 21, 24, 26HP Zero-T urn Riders Mfg. No. Description 7800360 Simplicity Axion Model ZT18533, 18.5HP w/ 33” Mower 7800380 Simplicity Axion Model CZT18533, 18.5HP w/ 33” Mower (Calif ornia Model) 7800269 Snapper 150Z Model SC18533, 18.5HP w/ 33” Mower 7800392 Snapper 150Z Model CSC18533, 18.5HP w/ 33” Mower (Calif [...]

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1 T ABLE OF CONTENTS Safety Rules General Operation...................................................2 T ransportation & Storage ........................................2 Slope Operation ......................................................3 T ow ed Equipment ....................................................3 Children .....................[...]

2 SAFETY R ULES GENERAL OPERA TION 1. Read, understand, and f ollow all instructions in the manual and on the unit bef ore star ting. 2. Do not put hands or f eet near rotating par ts or under the machine. K eep clear of the discharge opening at all times. 3. Only allow responsib le adults, who are f amiliar with the instructions, to operate the un[...]

3 CHILDREN T ragic accidents can occur if the oper ator is not aler t to the presence of children. Children are often attracted to the unit and the mowing activity . Nev er assume that children will remain where you last sa w them. 1. K eep children out of the mowing area and under the watchful care of another responsib le adult. 2. Be aler t and t[...]

4 WARNING: To avoid serious injury, operate your unit up and down the face of slopes, never across the face. Do not operate on slopes g reater than 10 de g rees. Make turns g radually to prevent tippin g or loss of control. Exercise extreme caution when chan g in g direction on slopes. Brakin g may be affected by attachments. Reduce speed on slopes[...]

5 SER VICE AND MAINTENANCE Safe Handling of Gasoline 1. Extinguish all cigarettes, cigars , pipes, and other sources of ignition. 2. Use only approv ed gasoline containers. 3. Ne ver remo ve the gas cap or add fuel with the engine running. Allow the engine to cool bef ore refueling. 4. Ne ver fuel the machine indoors . 5. Ne ver store the machine o[...]

6 SAFETY & OPERA TION DECALS This unit has been designed and manuf actured to provide y ou with the safety and reliability y ou would e xpect from an industr y leader in outdoor power equipment manuf acturing. Although reading this manual and the saf ety instructions it contains will provide y ou with the necessar y basic knowledge to operate t[...]

7 IDENTIFICA TION NUMBERS ID T ag When contacting the service center for replacement parts, service, or information y ou MUST have these numbers. Record your model name/n umber , manuf acturer’ s identification numbers, and engine serial numbers in the space provided f or easy access. The identification tag is located on the underside of the seat[...]

OPERA TION 8 Ground Speed Le vers These le vers control the ground speed of the rider . The left le ver controls the left rear drive wheel and the right le ver controls the right rear drive wheel. Pushing the le vers out to the side , awa y from the operator’ s lap (top inset, Figure 1), is the proper position f or star ting the r ider . Pulling [...]

9 Choke CLOSE the choke f or cold star ting (pull knob up). OPEN the choke once the engine starts (push knob down). If the engine is warm, it may not require choking. If this is the case, set the chok e to OPEN (push the knob down) while cranking the engine. In most cases , you will need to close the choke in order to start the engine. Mower Cuttin[...]

10 W ARNING Never allo w passengers to ride on the unit. Before lea ving the operator’ s position for any reason, engage the parking brake and disengage t h e P TO. N e ver leave the unit unattended (i.e. out of sight) with the engine running. T o reduce fire hazar d, keep the engine, rider and mower free of grass, leaves and excess grease. Do no[...]

11 9. Stop the rider and engine (see ST OPPING THE RIDER AND ENGINE). PUSHING THE RIDER BY HAND NO TE: Do not disengage the transmissions if par k ed on a slope. 1. T ur n the mower b lades OFF , push the ground speed control le vers out to their ST ART/P ARK positions, engage the parking brake , tur n the ignition s witch OFF , remo ve the key , a[...]

12 DRIVING PRA CTICE - B ASIC DRIVING W ARNING: Nev er operate on slopes greater than 17.6% (10°). See SLOPE OPERA TION in the saf ety section. Zero turn r iders operate diff erently from other f our- wheeled vehicles . The drive wheels are also y our steering wheels. If you cannot drive the unit on a hill, y ou will not be able to steer the unit [...]

13 AD V ANCED DRIVING Executing an End-Of-Ro w Zero T urn Y our zero turn rider’ s unique ability to tur n in place allows y ou to tur n around at the end of a cutting row rather than ha ving to stop and make a Y -tur n before starting a new row . F or example , to ex ecute a r ight end-of row z ero turn: 1. Slow do wn at the end of the row . 2. [...]

14 MO WER DECK REMO V AL & INST ALLA TION - 33” DECKS NO TE: P erform mower remo val and installation on a hard, le vel surf ace such as a concrete floor . Removing the Mo wer Dec k 1. T ur n the mower b lades OFF , put the ground speed control le vers in ST ART/P ARK position, engage the parking brake , tur n the ignition OFF , and wait for [...]

15 MO WER DECK REMO V AL & INST ALLA TION - 42” & 50” DECKS NO TE: P erform mower remo val and installation on a hard, le vel surf ace such as a concrete floor . Removing the Mo wer Dec k 1. T ur n the mower b lades OFF , put the ground speed control le vers in ST ART/P ARK position, engage the parking brake , tur n the ignition OFF , a[...]

16 MAINTENANCE MAINTENANCE SCHEDULE The f ollowing schedules should be f ollowed f or nor mal care of your rider and mower . * More often in hot (over 85° F: 30° C) weather or dusty operating conditions . ** Check the function of the saf ety system after the unit has been stored for 30 da ys or longer . † These ser vices should be performed by [...]

17 Rider Maintenance Items A CCESSING THE ENGINE COMP AR TMENT Lift up on the back edge of the seat dec k to access the engine compar tment. CLEAN DEBRIS FR OM RIDER AND ENGINE COMP AR TMENT Service Interval: Bef ore each use. CA UTION: If debris is not remo ved from the engine compartment and other hot surfaces, it creates a fire hazard. Bef ore s[...]

18 Figure 20. Arbor Lubrication (3-Blade Model Shown, All Models Similar) Figure 18. Mower Lubrication - 42” Deck LUBRICA TION Service Interval: 25 hours. Lubricate the unit at the locations shown in Figures 17 through 23 as well as the f ollowing lubrication points. Grease: • front wheel grease fittings • front wheel bushings • mower piv o[...]

19 Figure 21. Lubricating Rider Figure 22. Lubricating Rider Figure 23. Lubricating Mower Lift[...]

20 CLEAN DECK & CHECK / REPLA CE MO WER BLADES Service Interval: 25 hours or as required. 1. Remov e mower dec k (see “Mower Dec k Remov al” in the OPERA TION section). 2. See Figures 24 and 25. Remov e blade to inspect it or to saf ely access the underside of the mower dec k. Use a bloc k of wood to pre vent b lade rotation while loosening[...]

Figure 28. Blade Installation - 42” Dec k A. 4x4 W ood Block C. Blade Nut B. Spring W ashers D . Lift Wings A B C D 21 Figure 27. Blade Installation - 33” Dec k A. Blade B. Blade Mounting Bolts C. Lockwasher s D . Hex Nuts A D C E B Figure 29. Blade Installation - 50” Dec k A. 4x4 W ood Block B. Hex W asher C. Spring W asher D . Blade Capscre[...]

22 CLEAN THE B A TTER Y AND CABLES Service Interval: 100 Hours 1. Disconnect the cables from the battery , negative cable first (B , Figure 30). 2. Remov e the rubber strap securing the batter y , and remov e the batter y . 3. Clean the batter y and battery compar tment with a solution of baking soda and water . 4. Clean the batter y terminals and [...]

23 CHECK / ADJUST PT O CLUTCH Service Interval: 200 Hours. The P ower T ake Off (PT O) clutch dr ives the mo wer blades . The PT O clutch is engaged and disengaged by the mower b lade s witch. Check the PT O clutch adjustment e very 200 hours of operation. Also perform the f ollowing procedure if the clutch is slipping, will not engage, or if a ne [...]

24 Figure 33. Recommended Engine Oil - Briggs & Stratton Models Use oil classifie d API Se r vice Class SF , SG, SH, SJ o r bette r with SAE Viscosity: 100 80 60 40 20 32 0 -20 38 27 16 4 -7 0 -18 -30 ˚F ˚C 30 Co n ve n tio n al** Sy n thetic 5W-30, 10W -30 5W-30 10W-30 Co n ve n tio n al* *CAUTION: Ai r cooled e n gi n e s run hotte r tha n [...]

25 SER VICE AIR FIL TER & PRE-CLEANER - 18.5 & 21 HP ENGINES NO TE: Air filter configuration may diff er from shown. Consult engine manual f or fur ther inf or mation. Interval: Pre-Cleaner: Every 25 hours or as required. Air Filter : Every 50 hours or as required. Replacement Interval: Pre-Cleaner: As required. Air Filter : Every 200 hours[...]

26 Figure 37. Air Filter Cover A. Air Filter Cover Scre ws A SER VICE AIR FIL TER - 24 & 26HP ENGINES NO TE: Air filter configuration may diff er from shown. Consult engine manual f or fur ther inf or mation. Service Interval: Ev er y 25 hours or as required. 1. Loosen the air filter cov er screws (A, Figure 37) and remov e the air filter cov e[...]

27 1. P r e-Clea n e r Ai r Filte r 1. 2. 2. Figure 40. Air Filter Service REPLA CE SP ARK PLUG Service Interval: Y ear ly Spark Plug Gap: .030” (.76mm) 1. Stop the engine and allow it to cool. 2. Clean the area around the spark plug. 3. Remov e the spark plug. 4. Check the spark plug gap . It should be .030” (see Figure 41). 5. Reinstall the p[...]

28 SER VICE & ADJUSTMENTS GR OUND SPEED CONTROL LEVER ADJUSTMENT The control le vers ha ve three adjustments: T o Adjust Contr ol Lever Height: Pull the le vers in across the operator’ s lap to their DRIVE positions. Loosen the mount bolts (D , Figure 42) and raise or low er the le vers to the desired position. Tighten the mounting bolts.(D).[...]

29 BRAKE ADJUSTMENT 1. Stop the unit, turn the ignition OFF , set the ground speed le vers to ST ART/P ARK positions, set the parking brake le v er to the ENGAGE position, and w ait f or all moving par ts to stop . 2. Locate the brak e rod (A, Figure 44) and adjustment nut (B). 3. Measure the parking brake spring. Its compressed length, with the pa[...]

30 Figure 45. Measure Blade Tips to Ground A. Mower Dec k B. Blade Tip C. Level Gr ound A B C Figure 46. Orient Blades Side-to-Side MO WER DECK LEVELING ADJUSTMENTS Side to Side Leveling - 33” Dec ks If the cut is une ven, the mo wer ma y need lev eling. Unequal or improper tire pressure ma y also cause an une ven cut. See CHECK TIRE PRESSURE. 1.[...]

31 Figure 48. Measure Blade Tips to Ground A. Mower Dec k B. Blade Tip C. Level Gr ound A B C Figure 49. Orient Blades Side-to-Side MO WER DECK LEVELING ADJUSTMENTS Side to Side Leveling - 42” & 50” Decks If the cut is une ven, the mo wer ma y need lev eling. Unequal or improper tire pressure ma y also cause an une ven cut. See CHECK TIRE P[...]

32 Figure 51. Orient Blades Front-to-Bac k Front T o Back Le veling - 33” Deck If the cut is une ven, the mo wer ma y need lev eling. Unequal or improper tire pressure ma y also cause an une ven cut. See CHECK TIRE PRESSURE. 1. T ur n the blade front-to-bac k as shown in Figure 51. Measure the distance from the ground to front tip of blade , and [...]

Figure 53. Orient Blades Front-to-Bac k Front T o Back Le veling - 42” & 50” Decks If the cut is une ven, the mo wer ma y need lev eling. Unequal or improper tire pressure ma y also cause an une ven cut. See CHECK TIRE PRESSURE. 1. T ur n the blades front-to-bac k as shown in Figure 53. Measure the distance from the ground to front tip of c[...]

34 MO WER BEL T REPLA CEMENT Mower Drive Belt Replacement - 33” Dec ks 1. P ark the r ider on a le vel surf ace. Disengage the PTO , turn off the engine, set the ground speed control le vers to ST ART/P ARK, and set the parking brake le ver to ENGA GE. Remov e the ke y . 2. Pull the idler pulley (C , Figure 55) to release belt tension and remov e[...]

35 Mower Drive Belt Replacement - 50” Dec ks 1. P ark the r ider on a le vel surf ace. Disengage the PTO , turn off the engine, set the ground speed control le vers to ST ART/P ARK, and set the parking brake to ENGA GE. Remove the k ey . 2. Use the idler pulley arm (K, Figure 57) to release belt tension and remov e the mower driv e belt (F) from [...]

36 TR OUBLESHOO TING While normal care and regular maintenance will extend the lif e of your equipment, prolonged or constant use ma y ev entually require that ser vice be perf ormed to allow it to continue operating properly . The troubleshooting guide below lists the most common prob lems, their causes and remedies. If you pref er , all of these [...]

37 T roubleshooting the Mo wer PROBLEM CA USE REMED Y Mower cutting height does not adjust. Cutting height motor screw dirty or requires lube. Thoroughly clean and lubricate cutting height motor screw . Cutting height linkage disconnected. Check that mo wer linkage is connected. Mower cut is uneven. Rider tires not inflated equally or properly . Se[...]

38 SPECIFICA TIONS ENGINE (18.5HP): Make Briggs & Stratton Model ELS Horsepower 18.5 @ 3600 rpm Displacement 30.59 Cu. in (500cc) ENGINE (21HP): Make Briggs & Stratton Model ELS Horsepower 21 @ 3600 rpm Displacement 30.59 Cu. in (500cc) ENGINE (24HP): Make Briggs & Stratton Model ELS Horsepower 24 @ 3600 rpm Displacement 44.2 Cu. in (72[...]

39 SER VICE ITEMS Replacement P ar ts Replacement par ts are av ailable from y our authorized dealer . Alwa ys use genuine Simplicity or Snapper Ser vice P ar ts. T echnical Man uals Additional copies of this manual are a vailab le, as well as fully illustrated par ts lists. These manuals show all of the product’ s components in exploded vie ws ([...]

40 Lawn Care & Mowing Information LC-1 HO W AND WHEN T O W A TER, FERTILIZE & AERA TE Most lawns are watered too often, but with too little water. However too much water can allow develop- ment of diseases with your lawn. It is best to water the lawn only when necessary, and then to water it slowly, evenly, and deeply—imitat- ing a slow, [...]

41 LC-2 Lawn Care & Mowing Information WHEN AND HO W OFTEN T O MO W The time of day and condition of the grass greatly affect the results you’ll get when mowing. For the best results, follow these guidelines: G Mow when the grass is between 3”-4” (7,5-10 cm) high. G Mow with sharp blades. Short clippings of grass one inch or shorter decom[...]

MANUF A CTURING, INC. 500 N Spring Street / PO Box 997 P or t W ashington, WI 53074-0997 www .SimplicityMfg.com Briggs & Stratton Y ard P ower Products Group Cop yr ight © 2008 Briggs & Stratton Corporation Milwauk ee, WI USA. All Rights Reser ved PRODUCTS , INC. 535 Macon Street McDonough, GA 30253 www .Snapper .com[...]