Yard-Manメーカー53AA1A3G401の使用説明書/サービス説明書
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Model 53A A1A3G 401 PRINTED IN U.S .A. OPERA T OR’S MANU AL FORM NO . 770-1032 6A.fm (4/0 0) ECO No. 952 IMPORT ANT : READ SAFETY RULES AND INSTR UCTIONS CAREFULL Y MTD PRO DUCTS INC.
2 TABLE OF CONTENTS Cont ent P age Maintain ing Safe ty ................. ............. ............. ................... ............. .................. 3 Slope G auge ............. .................... ............. ................... ............
3 SECTIO N 1: MAI NTAI N IN G SAFE TY WARNING: This symb ol poin ts out impor tant safe ty instruc tions whic h, if not follow ed, coul d endanger the p ersonal safety and/or property of you rself and other s. Read and follow all ins tructions in this man ual before at temptin g to operate thi s machin e.
4 SLOPE OPERA TION 1. Slopes are a maj or fact or rel ated to loss of control and tip -over acc idents wh ich can res ult in se vere inju ry or death. Al l slop es require ex tra cauti on. If you canno t back up the slop e or if you fee l uneasy on it, do not mow i t.
5 14. After stri king a fo reign obj ect, stop the en gine, remove the wir e from th e spark p lug an d thorou ghly inspec t the mower for any damage. Re pair the damage be fore res tarting a nd operat ing the mow er.
6 SECTION 2: SLOPE GAUGE Use this pag e as a guide to de termine s lopes wher e you may no t operate sa fely. Do not operate your lawn mower on such sl opes.
7 SECTION 3: KNOW YOUR Z-SERIES NOTE: Refer ence to ri ght or left han d side of the mow er is obse rved fro m the operati ng positio n. Figure 1 WARNING: Be familiar w ith all controls and their proper operation. Know how to stop the mach ine and dise ngage them quickly.
8 Electric PTO (Power Take-Off) Switch The PTO s witch is lo cated on the right con trol panel and it is use d to control the en gageme nt of the cutting blades. W hen the knob is up, the cu tting blades are engaged. Wh en the kno b is down, the c utting blade s are dise ngaged.
9 Figure 6 Brake P edal and Parking Brake P edal The brake pe dal is located on the lower le ft side of th e control tower and it i s used to e ngage the br ake in o rder to slow down or sto p the unit. It also is used to en gage the parking br ake. See Fig ure 1 and Figur e 7.
10 The spee d control ba r also aid s the drive han dles i n making “ perfect U-turns ” . To move for ward grasp bo th drive ha ndles and the speed control bar at the same time, the n release t he left drive ha ndle to turn le ft and then gras p it again to continu e stra ight ah ead or relea se the right driv e handle to turn r ight.
11 NOTE: The Z-Serie s speed i s bas ed on th e positi on of the driv e handles . Push the handles forward to increa se speed and back towar d neutral for slower speeds. Driving On Slopes Before ope rating the Z-Seri es on any slop e: • Use the SLOPE GAUGE to dete rmine i f the sl ope is safe for ope ration.
12 Fig ure 10 SECTION 5: MAKING ADJUSTMENTS Adjusting the Mower Deck Height • To push or pull t he lift leve r, depres s and hold the button. Refer to Figure 5. • Move the ha ndle up/down to the desire d location . • Rele ase button at t he de sired posit ion.
13 Checking the Brake Adjustment • Position th e Z-Serie s on a level surfac e and move the throttl e lever to the slo west posit ion (turtle) . • Stop the eng ine, remov e the key from the ignition, and enga ge the parking brake. • Relea se both hydrau lic rel ief lever s.
14 • Remove bo lts that sec ure linkage to upper cont rol handles an d lower con trol arms . The shock absorbe rs should r emain conn ected to linkag e. See Figu re 12. Fig ure 12 • Inse rt quarter in ch by se ven in ch pin or equ ivalent through the t op and b ottom alignmen t holes of the control arms to secur e arms at posi tive neutr al.
15 Fig ure 14 Engine Refer to the se parate engi ne manua l for engin e maintenan ce i nstruc tions. Service ai r cleaner ever y 25 hours und er normal conditio ns. Cle an every few hour s under ex tremely dusty conditio ns. To serv ice the air c leaner, refer to the separat e engine manual.
16 • Flip seat up and clean the area aroun d the hydraulic oil di pstick to preven t debr is from entering the crankca se. S ee Figu re 15. • Remove the hydr aulic fill pl ug/dip stick and rea d the leve l: If hydraulic oil level is inside ope ratin g range, then do nothin g.
17 Fig ure 17 Changing T he Fuse • The f use can be loca ted on a wiring harnes s in a protectiv e cover bet ween the engin e and the battery. • Remove the old fuse a nd replace wit h same rated fuse. Battery The battery is sealed and is maintenanc e free.
18 SECTION 7: MAINTAINING MOWER DECK Checking T he Lev el Of The Mow e r Deck Side t o Side • Position th e Z-Serie s on a hard and level surfac e and place th e PTO switc h in the OFF pos ition. • Engag e the park ing brak e and turn the ig nition switch to the OFF pos ition and remove key.
19 Removing Th e Mower Deck WARNING: Do not remove deck immedi- ately afte r operating the tractor. Allow the engine and other moving parts ample time to cool down. • Posit ion t he Z- Series on a hard f lat surfac e and engage the par king brak e. • Move the li ft handle to the L position.
20 Fig ure 26 Installing The Mow er Deck • Slide th e mower deck und er the Z-Ser ies, making sur e belt covers ar e remove d. • From the re ar, reach und er the muffle r cover and grasp the belt from the mo wer deck and br ing it between the hy draulic units.
21 SECTION 8: TROUBLESHOOTING T r ouble P ossible Cause(s) Corrective Action Engine f ails to start PT O s witch engage d. Brak e ped al not eng aged. Spark plug wire disc onnected . Throttle cont rol le ver not in correct starting position. Fuel tank empt y , or stale fuel.
22 Model 53AA1A3G40 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 23 26 27 28 24 25 28 29 28 30 31 32 33 11 34 35 36 37 39 16 40 41 38 42 43 16 25 44 45 46 47 11 35 32 35 11 48 4.
23 Model 53AA1A3G40 1 REF . NO . PA R T NO . DESCRIPTION 1. 731-3326 Engine C ov er 2. 731-3263 Contro l Handle 3. 710-0451 Carriage Bo lt 5/16-18 x .750 4. 735-0251 F oot P ad 5. 731-3185 Bello w 6. 712-0431 Flan ge Loc k Nut 3/8-16 7. 703-2807 B Mounti ng Bra ck et 8.
24 Model 53AA1A3G40 1 1 2 3 4 5 6 7 8 9 10 11 4 12 13 14 15 16 17 18 19 20 9 21 7 22 23 24 25 7.
25 Model 53AA1A3G40 1 REF . NO . PA R T NO . DESCRIPTION 1. 603-0649 P arking Br ake Shift Ass ’ y 2. 714-3004 Cotter Pin 3. 710-317 8 Carriage Bolt 3/8-16 x .75 4. 741-032 4 He x Flang e Bearing .5 06 ID x .590 5. 703-340 0 Brak e Mo unting Brac k et 6.
26 Model 53AA1A3G40 1 9 21 15 15 21 9 17 20 24 12 9 21 17 14 23 17 7 6 20 23 24 12 9 21 15 17 14 11 28 11 29 30 10 10 15 10 15 14 15 27 25 33 9 9 33 4 33 26 33 3 15 18 34 13 22 32 22 19 13 35 18 21 15.
27 Model 53A A1A3G401 REF . NO . PA R T NO . DESCRIPTION 1. 603-0340 Bellcr a nk Ass ’ y Upper L H 2. 603-0341 Bellcr a nk Ass ’ y Upper RH 3. 603-0342 Bellcr a nk Ass ’ y Lo wer LH 4. 603-0343 Bellcr a nk Ass ’ y Lower RH 5. 603-0647 Support Ass ’ y T ower 6.
28 Model 53AA1A3G40 1 1 2 3 4 5 6 7 8 9 9 10 11 12 12 13 13 14 15 16 17 18 19 20 21 22 23 24 25 26 37 42 43 44 42 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 44 61 62 62 63 63 64 65 66 29 27 28 30.
29 Model 53AA1A3G40 1 REF . NO . PA R T NO . DESCRIPTION 1. 737-3069 Pipe Plug 2. 737-3070A Pipe Dips tick 3. 603-0639 Hydr aulic T ank Assemb ly 4. 727-3116 Connec tion Fitti ng 5. 721-022 3 Seal 6. 738-0940 Drai n Plug 7. 727-3120 Inlet T ube LH 8. 727-3155 T ee Fittin g 9.
30 Model 53AA1A3G40 1 1 2 3 4 5 6 7 8 2 REF . NO . PA R T NO . DESCRIPTION 1. 618-3110A Drive Ass ’ y Complete 2. 712-3004A He x Flange Loc k Nut 5/ 16-18 3. 715-0136 Spiral Pin 3/16 x 1.25 4. 717-3396 Spur Gear 14 T 5. 717-3455 Hydro T ransmis sion 6.
31 Model 53AA1A3G40 1 1 16 7 15 22 11 12 2 13 10 19 14 24 9 23 21 5 18 18 5 8 5 17 7 6 5 20 4 3 REF . NO . PA R T NO . DESCRIPTION 618-3110 A Drive Ass ’ y Complet e 1. 611-3012 Axle Assemb ly 710-0852 Ribbed Nec k Stu d 2. 618-3106 Carrier Assemb ly , Output 3.
32 Model 53AA1A3G40 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 41 43 T o Starter 44 45 20 46.
33 Model 53A A1A3G401 REF . NO . PA R T NO . DESCRIPTION 1. 710-1314 Sock et Sc rew 5/16-18 x .625 2. 736-0119 Loc k W asher 5/16 3. 721-0208 Gask et 4. 751-0619 Exhaust Pi pe 5. 710-0642 He x W asher Scre w 1/4-20 x .750 6. 710-3178 Carriage Bol t 3/8-16 x .
34 Model 53AA1A3G40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29.
35 Model 53A A1A3G401 REF . NO . PA R T NO . DESCRIPTION 1. 629-3033 Main Wi re Harness - Not Sho wn 2. 723-0455 F oam Pro tector 3. 710-3013 He x Cap Sc re w 1/4-20 x .50 4. 703-2809 Indicat or Mountin g Brac k et 5. 726-0349 Ratch et Retai ner 6. 725-171 8 Rela y 7.
36 Model 53AA1A3G40 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 13 14 18 17 19 20 21 22.
37 Model 53AA1A3G40 1 REF . NO . PA R T NO . DESCRIPTION 1. 757-3014 Seat 2. 731-3154 Seat Slide 3. 712-3004A Flan ge Loc k Nut 5/16-18 4. 732-3098 Spring Inde x 5. 720-0190 Height Ad justment Knob 6. 603-0294 Seat Base Brac k et Asse mbly 7. 712-3005 Flange Lock Nut 3/8 -16 8.
38 Model 53AA1A3G40 1 1 2 3 4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20 21 21 22 23 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 25 40.
39 Model 53AA1A3G40 1 REF . NO . PA R T NO . DESCRIPTION 1. 711-0642A Handl e Button 2. 731-3158 Handle Dec k L ift Grip 3. 732-3097 Compress ion Spring 4. 747-3405 F ront Li ft Rod 5. 738-0507B Shoul der Scre w .500 Dia x .434 6. 710-0216 He x Cap Sc rew 3/8-16 x .
40 Model 53AA1A3G40 1 1 2 3 4 5 6 7 8 9 10 11 12 12 13 12 2 14 15 16 17 18 19 17 REF . NO . PA R T NO . DESCRIPTION 1. 7 12- 3 075 Hex Lock Nut , 1.0 -14 2. 736-0274 Flat W asher 3. 603-0389A Pin Ass ’ y, P i v o t 4. 737-3090 Adapter , 1/8 NP TF x 1/8 NP TF 5.
41 Model 53AA1A3G40 1 12 13 14 15 16 17 18 REF . NO . PA R T NO . DESCRIPTION 1. 712-0455 Retainin g Nut 3/ 8-16 2. 603-0720B F ram e Assem bl y 3. 712-0251 Retainin g Nut 3/ 8-16 4. 710-0216 He x Cap Scre w 3 /8-16 x .75 5. 712-0431 Lock Nut 3/8 -16 6.
42 Model 53AA1A3G40 1 1 2 3 4 5 7 6 8 9 10 11 12 13 14 15 16 17 40 41 42 43 44 45 46 47 42 48 49 50 51 52 53 54 2 55 56 57 18 19 20 21 22 23 24 25 26 23 27 28 29 30 8 31 32 33 34 22 35 36 37 38 39.
43 Model 53AA1A3G40 1 REF . NO . PA R T NO . DESCRIPTION 1. 732-0556 Spring Extens ion .9 4 OD x 7.5 7 LG 2. 712-3006 He x Nu t 1/4-20 3. 710-0597 He x Ca p Scre w 1/4-20 x 1.0 4. 703-2559 Stop Bra ck et 5. 703-2945 Pulle y Shield LH 6. 703-3237 Pulle y Shield RH 7.
44 Model 53AA1A3G40 1 8 9 10 11 1 2 3 3 4 4 5 6 6 7 REF . NO . PA R T NO . DESCRIPTION 1. 751-3124B Fuel C ap 2. 751-3143 Fuel T ank 3. 736-0227 Flat W asher .390 ID x 1.5 OD 4. 736-0169 Loc k W asher 3/8 5. 703-2783 Fuel T ank Mo unting Br ac ket 6. 710-0870 He x W asher Scre w 3/8-1 6 x .
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MANUF A C TURER ’ S LIMITED W ARRANTY FOR: The l imit ed warr anty se t for th below is given by MTD PRODUCTS INC ( “ MTD ” ) with respe ct to ne w mercha ndise purchase d and used in the Uni ted Stat es, i ts pos sessio ns and ter ritories.
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