Instruction/ maintenance manual of the product (18 HP) Briggs & Stratton
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™ OWNER’S MANUAL Safety , Assembly , Ope rating, and Maintenance I nstructions and ILLUSTRA TED P AR TS MANUAL Model MB (18 HP) Please Read and Save These Instr uctions Effective Da te: 12-15-0 5 .
For eword Thank you. . . for purchasi ng a W alker mower . Every effort has been ma de to provi de you with th e most reliabl e mower on the market, and we are sure y ou will be among our many satis fied cu stom- ers. If for any rea son this produ ct does not perform to your expectation s, please c ontact us at (970) 221-5614 .
T able of Conten ts 1 Owner ’ s Manual General Informat ion ________ ______ __ 3 HIGHLIGHTED INFORMATION ________ ___ __ 3 GLOSSARY __________ ___ ___ ____ ___ ___ __ 3 IDENTIFYING NUMBER LOCATIONS .
T able of Conten ts 2 ADJUSTMEN TS _______ ______ __________ _ 51 Transmission Control ___ _______ _______ 51 Stee ri ng Lev er Po siti on Ad jus tmen t _____ 5 1 Steerin g Handles Adjustm ent ___ ___.
General Information 3 HIGHLIGHTED INFORMA TION W alker M anufactur ing recom mends that an y ser- vice r equir ing specia l tr aini ng or t ool s be pe rfo rmed by an a uthorized W alker Mower Dealer . There ar e several genera l pract ices to be a ware of in the area of sa fety .
General Information 4 T ract or Serial N umber Locati on Mower Dec k Serial Nu mber Locat ion ENGINE SERIAL NUMBE R LOCA TION The Brigg s & S tratton engine mo del, type, and code numb ers are l ocated on the left hand of the eng ine shro ud.
Specifications 5 MODEL MB ENGINE Manufac turer/Mo del Briggs & S tratton V angu ard, 2 Cyl . OHV ( Air-Coole d) Displac ement 34.7 cu. in. ( 570 cc) HP (@ 3600 RPM) 18.0 Max. RPM (No L oad) 3600 ± 100 Gover ned R PM 3600 ± 10 0 Max. T orque [ft-lb (N ⋅ m ) @ RPM] 29.
Specifications 6 MODEL MB TRANSMISSION (continued) T ran smission Flu id Factor y Servic e 20W50 Multi -Vi scosi ty Moto r Oil (Min imum SL Grade Oil ) T ransmiss ion Flui d Capacity 79 fl oz (2336 ml ) T ransmiss ion Cool ing Cooling Fan M ounted on Drive Pu lley Ground T ravel Speed Forw ard m .
Specifications 7 MODEL MB DIMENSIONS (continued) Height 39 in . (99 cm ) Wheel B ase (Tractor) 38-1/2 i n. (98 c m) T read Width (Tractor) 29-3/4 i n. (76 c m) MOW ER D ECK Width of Cut 36-, 42-, 4 8-, or 5 6-in. (91, 1 07, 122 or 142 c m) Cutting He ight 1 to 4 in .
Component Identification 8 Front Vi ew and Right Side View NOT E: Control Ide ntificat ion shown in Operating Inst ruct ions secti on. Forward S peed Control (FSC) Fricti on Adjust ment Deck Di scharg.
Component Identification 9 Rear View and Lef t Side View Oil Dip stick PTO B e l t Protect ive Co ver Left Hand Drive Wh eel Electric Clutch Fuel Filter Cylinde r Head Coo l in g Fi ns Oil F ill Muffl.
Component Identification 10 T op View (Body Raised) Fuel T a nk Parkin g Br ake Muf fle r Heat Sh ield Posi tive (+ ) Battery Ca ble S t eerin g Leve rs Dampening S prings Oil Dip stick RH T ransmissi.
Safety Instructions 11 Pay particu lar atten tion to any infor mation l abele d DANGER, W ARNING , CAUTION, IMPORT ANT , and NOTE in this man ual. Wh e n y ou s ee t he S a fe ty A ler t S y m bo l ( ), read, unde rst and, and follow the instr uctions.
Safety Instructions 12 6. Do not w ear lo ose fittin g clothin g that coul d get caught i n moving parts. Do not operate th is machin e while wearing s horts; always w ear adequate protective clothing, including lon g pants.
Safety Instructions 13 9. W atch for hole s, rocks, and roots in the terrai n and f or other hidden ha zards. When mowin g tall gras s, mow h igher t han de sired t o exp ose any hidd en obstacles . Then, cle an the area an d mow to the desire d height.
Safety Instructions 14 5. If the en gine must b e running to perform a main- tenance adjus tment, keep ha nds, f eet, an d clothi ng away from mo ving parts. Do not we ar jewelry or loose clothing. 6. Alwa ys use t he prope r engine service manual when working on t he engine.
Safety Instructions 15 SAFETY , CONTROL, A ND INSTRUCTION DECALS Safet y , Control , and Instr ucti on D ecals are inst al le d on the ma chine ; if any ar e missi ng, ille gibl e, or damag ed, a repl acemen t shoul d be order ed and ins t alled before puttin g the mach ine in to opera tion.
Safety Instructions 16 SAFETY , CONTROL, A ND INSTRUCTION DECALS Safet y , Control , and Instr ucti on D ecals are inst al le d on the ma chine ; if any ar e missi ng, ille gibl e, or damag ed, a repl acemen t shoul d be order ed and ins t alled before puttin g the mach ine in to opera tion.
Asse mbly Instr uctions 17 SETUP INSTRUCTIONS W alker Mowe rs are shippe d partially a s semble d to our di stributio n networ k, and ar e typ ically as semble d by the se lling dealer . For any add itional as semb ly beside s the f ollowing, contact y our Walker dealer .
Asse mbly Instr uctions 18 PTO Shaft Guard Insta llation Position the s haft guard as show n and mount wit h two 1/4 -20 x 1/ 2 in. bolts. PTO Shaft Guard Installation Til t-U p Roll er Wh eel I nst all ati on NOTE: A 2-1/2" diameter tilt-u p roller wh eel (P/N 9 772) is requir ed for d ecks in stalled on the Model M B tra ctor .
Asse mbly Instr uctions 19 Deck Counterweig ht Spring I nst allation 5. Raise mower b ody (i nstead of lifting the front of deck) a nd clip t he coun terwei ght sp rings t o the receptacle on fron t of body . Lower the body to tension t he springs . (Refer to Deck C ounter- weight Spr ing Inst allation photo.
Asse mbly Instr uctions 20 Deck Leve ling 1. Posi tion mow er on a smoo th, leve l surfac e. Set the cutti ng height to the highest position - 4 in. (102 mm) - for easy ac cess under the dec k to measur e blade heig ht. Refer to ADJUS TING CUTTING HEIGHT in Operating Instructions .
Asse mbly Instr uctions 21 PREOPERA TING CHECKLIST Before operating the mower for the first time, and as a routi ne befo re dail y ope rations, it is impo rtant to make s ure the mower is pr operly prepared an d re ady for oper ation. The followi ng is a list of ite ms to be checked.
Asse mbly Instr uctions 22 IMPORT ANT : DO NOT permit dir t or oth er f orei gn matter to enter the fuel tank. W ipe dirt fr om aroun d the fill er cap befo re removin g. Use a clean fu el stor- age con tainer an d funnel. IMPORT ANT : DO N OT mix oil with gasoline .
Asse mbly Instr uctions 23 Deck Secured in Tilt-Up Po sition C HECK MO WER BLADE CON DITION, SHARP- NESS, AND SECUR ITY OF MOUN TING The bl ade mount ing nu t sho uld be t ightene d to 6 0 ft- lb (81.3 N ⋅ m). If blade s harpeni ng is r equired , refer to CH ECKING/SERVICING for Sharpen Mower Blades in Maintenance Instructions .
Operatin g Instr uctions 24 CONTROL IDENTIFICA TION, LOCA TI ON, AND FUNCTION Ignition Switch The ign ition swit ch is loc ated on the right front of th e body a nd is us ed to start an d s to p th e e ngi ne.
Operatin g Instr uctions 25 Engine Choke The ch oke c ontrol le ver ( black k nob) is locat ed on the left si de of th e seat. T o start a cold engine, m ove the cho ke co ntrol for ward to the ON position .
Operatin g Instr uctions 26 Parking Brake The p arki ng br ake fu nctio ns by lockin g a det ent ar m into the t ransaxle outer c ontrol gear tee th. Moving the lev er FORW A RD engages the par kin g br ake; moving the le ver B ACKW ARD releases the brak e.
Operatin g Instr uctions 27 THROTTLE BLADE CLUTCH (PT O) PA R K I N G BRAKE LEFT WHEEL STEE RING LE VER Forw ard P os iti on (No Contro l Change) RIGHT WHEEL STEERING LEVER FORW ARD SPEED CONTROL LEVE.
Operatin g Instr uctions 28 ST ARTING THE ENGINE 1. Before attempting to s tart the engine, mak e sure the ope rator is in the sea t, the Forwar d S peed Control i s in NEUTRAL-P ARK posit ion, and t he blade clutc h and parking brak e are DISENGAGED.
Operatin g Instr uctions 29 1. Move the FSC out of NEUTRAL-P ARK pos itio n to the d esired forward speed . DO NOT ho ld for- ward on s tee ring leve rs. It is n ot ne ces sary to hold th e FSC l ever i n positi on sinc e a fri ction lock ma int ains t he se lected l ever p ositio n (and forwar d travel s peed).
Operatin g Instr uctions 30 3. Reve rse direc tion of the m ower by pu lling both lever s backw ard. NOTE: Smoo th action on the steer ing levers will produce smooth mower operation . Remem- ber to keep the engine and grou nd speed slow until learning the control r esponse.
Operatin g Instr uctions 31 STOPPING THE MACHINE 1. Slow the engin e to i dle; put th e thro ttle in th e IDLE po sition. 2. Pull the steering lev ers to the NEUTRAL-P ARK position and the n move t he FSC lever b ackward to the NE UTRAL-P ARK p osition.
Operatin g Instr uctions 32 TRANSAXLE LOCKOUTS IMPORT ANT : DO NOT T OW this mowe r with the transm ission lock out engage d. T owing ca n prod uce exces sive inter nal pres sure and d amage th e tran saxle. T o mo ve the m ower with the engine NOT runnin g (dead b attery , ma intenan ce, etc.
Operatin g Instr uctions 33 • Make s ure the m ower is leveled prope rly for a smooth cut. Refer to Deck Leveling in Assem bly Instructions . • Use an al ternating stripe mowing p attern for best ap pearance and v ary the direction of the s tripe each tim e the gras s is mowe d to avoid wear patterns in the gr ass.
Mainten an ce Instruction s 34 MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERV ALS - MODEL MB Service It em Daily 25 Hours 50 Hours 100 Hours 250 Hours Y early Ref.
Mainten an ce Instruction s BRIGGS & STRA TT ON TIP S 35 IMPORT ANT TIPS FOR CARE OF THE BRIGGS & STRA TTON ENGINE Fuel System • Fuel must be cl ean - free from water , dirt, and or- ganic m ateri al. • Clean the fu el filter on a regular basi s and when contaminati on is s uspected or found in the f uel.
Mainten an ce Instruction s LUBRICA TION 36 LUBRICA TION Proper lub ricati on is an important mainten ance pro- cedur e. It reduc es wear an d make s the ma chin e quie ter and ea sier to operate. Engine Oil Engine Break- In Oil No specia l break-in oil is required.
Mainten an ce Instruction s LUBRICA TION 37 3. Remove the di pstick and oil d rain plu g, and drai n oil i nto a suitable containe r . Be sure to allo w ample ti me for c omplete dr ainage. 4. Before removi ng the o il filte r , clea n the are a around the filter to keep di rt and deb ris out of th e engine.
Mainten an ce Instruction s LUBRICATION 38 Ident Lubrication No. No. Location T ype Places Ident Lubrication No. No. Location T ype Places 'HFN&DVWHU:KHHO)RUN3LYRW *UHDVH .
Mainten an ce Instruction s LUBRICATION 39 3 4 5 7 7 8 9 10 13 16 17 18 6 1 2 4 7 6 7 9 12 18 & 23 21 & 24 22 20 19 15 1 2 11 12 14 21 20 Chassis and Deck Lubrication Points.
Mainten an ce Instruction s LUBRICA TION 40 Mower Deck Gearbox Lubrication The mo wer dec k gearb oxes (tee gea rbox and blad e drive gearboxe s) are c onnected as a unitize d assem bly , and oil flows freely betwe en them. The gearbo xes ar e permanentl y lubric ated (oil fil led) and sealed requiri ng no schedu led lubri cation.
41 Mainten an ce Instruction s LUBRICA TION/CLEANING T ran saxle O il Filter L ocation 3. Rein stall drain plugs. 4. Place 6” (15 cm) block under the left hand driv e wheel. 5. Remove th e oil rese rvoir ho se attached to th e elbow on top of the tr ansaxl es and remove the elbows to acc ess the oil fill openin gs.
Mainten an ce Instruction s CLEANING 42 Clean Cooling Fins and Fan Air Cleaner System The eng ine is equipped with a paper air clea ner el e- ment with an oiled foam pr e-cleaner whi ch surroun ds the paper element. Clean and re-oil th e foam pre -clean er ever y 25 hours ; more often i n dusty/d irty co nditio ns.
43 Mainten an ce Instruction s CLEANING/ CHECKING/SERVICING 1. Raise the deck l ock lever handle on each s ide o f the carr ier frame and pull out to rel ease c arrier frame fo r tiltin g action. 2. Using the carrier frame lift handl e, raise dec k to the TI L T -UP pos ition and ins ert the deck hook into the tilt-up l atch on th e tracto r body .
44 Mainten an ce Instruction s CHECKING/SERVICING Securit y of Air Clea ner Sys tem NOTE: The f ollowing insp ection is only an ex ter nal inspection an d shou ld be don e witho ut “disturb- ing” the filtr ation co mponen ts. On a dail y basi s, visua lly insp ect the ex ternal c ondi- tion of th e air c leaner cov er .
45 Mainten an ce Instruction s CHECKING/SERVICING 4. If the bl ade c utting edg e is dull or nicked, it should be sharp ened. Re move blad es for sharp ening by grasping the e nd of the blad e using a rag or a thick, padded g love, while l oos- ening a nd rem oving th e nut, loc k washer , and flat was her that m ounts the blad e.
46 Mainten an ce Instruction s CHECK ING/S ERVICING/ REPLACING/REP AIRING Sp ark Plug s Every 100 hour s, remo ve the spark p lugs , insp ect, clean, and res et the g ap (o r replac e with a new plug).
Mainten an ce Instruction s REPLACING/REP AIRING 47 Engine /PT O Belt 1. T o rem ove th e engine/PTO belt: a. Remove bel t guard from under neath muf- fler . Refer to Re move Belt Guard p hoto. b. Rela x the b elt by dep ress ing the s pring- loaded i dler arm.
Mainten an ce Instruction s REPLACING/REP AIRING 48 Groun d Drive Be lt 1. T o r emove th e gro und driv e belt : a. Raise th e sprin g-loade d idle r to rel ax belt.
49 Mainten an ce Instruction s REPLACING/REP AIRING Fuel Filter Model MB is eq uipped wit h an in-l ine fuel filter . Visually inspec t the fi lter pe riod ically , a nd re place the filte r yearly .
50 Mainten an ce Instruction s REPLACING/REP AIRING 2. Rotate U-jo int on shaft to a lign the shea r pin h ole with the h ole (and shear p in fragme nt) in th e shaft. Use a pun ch to dr ive the re maining p ortio n of the old shea r pin out . 3. Install n ew shear pi n and secur e with co tter pin.
51 Mainten an ce Instruction s ADJUSTMENTS ADJUSTMEN TS T ransmission C ontrol IMPORT ANT : The proper adjustme nt of the tran sax- le con tro l sto p s is esse ntial for ef ficient oper ati on and lif e of the transax le.
52 Mainten an ce Instruction s ADJUSTMENTS Steering Lever Ad justment Neutral Positi on Adjus tment - Step 3 1. With t he F orward S peed Contr ol (FSC) in neu- tral, the le ver shou ld be straig ht up. Adju st by loosen ing the jam nuts on the FS C Rod and tur n the rod to attain the strai ght up po sition.
53 Mainten an ce Instruction s ADJUSTMENTS 3. Bl oc k the tr act or up so t he dr iv e ti res a re o f f t he grou nd. 4. With th e FSC in neu tr al, start the eng ine . (O p- erate fi rst at idle and then nor mal opera ting speed) and chec k for mo vemen t of drive wheels.
54 Mainten an ce Instruction s ADJUSTMENTS 5. If th e forwar d trav el is straigh t through out th e speed r ange, exc ept at max imum spee d - plac e the FSC i n full for ward, tu rn the set s crew in the T ransmission C ontrol A rm, of the faster side , in until i t contacts the hy dro stud .
55 Mainten an ce Instruction s ADJUSTMENTS/ ELECTRICAL SYSTEM Tilt-Up Deck Adjustable Stop When t he car rier fram e hin ge join t is pr ope rly ad- justed, the d eck lo ck levers should move in and ou t of the e ngaged and di senga ged positi ons freely .
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73 LIMITED W AR RANTY FOR W ALKER MODEL MB RIDER MOWER 1. WHA T THIS W ARRANTY COVERS, AND FOR HOW LONG: W alker Manufacturing company will, at it s option, repair or re place, without charge, any par.
W ALKER MFG . CO. • 592 5 E. HARMONY ROAD, FORT COLLINS, C O 80528 • (970) 22 1-5614 FORM NO. 121505 PRINTED IN USA www .walkermo wers.com © 2006 W ALKER MFG .
An important point after buying a device Briggs & Stratton (18 HP) (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Briggs & Stratton (18 HP) 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 Briggs & Stratton (18 HP) - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Briggs & Stratton (18 HP) you will learn all the available features of the product, as well as information on its operation. The information that you get Briggs & Stratton (18 HP) will certainly help you make a decision on the purchase.
If you already are a holder of Briggs & Stratton (18 HP), 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 Briggs & Stratton (18 HP).
However, one of the most important roles played by the user manual is to help in solving problems with Briggs & Stratton (18 HP). Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Briggs & Stratton (18 HP) 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
