Yard-Manメーカー549の使用説明書/サービス説明書
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21” Mulching Mo wer Model 549 Oper ator’ s Man ual PRINTED IN U .S.A. 76 9 - 0 09 6 4A (4/5/2004) Form No. Warning: This unit is equipped with an internal co mbustion engine and should not be used.
2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Manu al is an important part of your new lawn mower. It will help y o u assemble, prepar e and maintain the unit for best performance.
3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES General Oper ation 1. Read this operator’s man ual carefully in its entirety before atte mpting to assemble this machine. Read, understand, and follow all instructions on the machine and in the manua l(s) before operation.
4 immediately and th e blade will stop rotating within three seconds. 9. Mow in daylight or good artificial ligh t; walk, not run. 10. Stop th e blade when cr ossing gravel drives, walkways or roads. 11. If the eq uipment should start to vibrate abnormally, stop the engine and check immedi ately for the cause.
5 10. Never over fill fuel tank. Fill tank to no more than ½ inch below bottom of filler nec k to provide space for fuel expansion. 11. Replace gasolin e cap and tighten securely. 12. If gasoline is spilled, wi pe it off the engine and equipment. Move unit t o another area.
6 SECTION 2: SLOPE GAUGE Use this page as a guide to dete rmine slopes where you may not operate safely. Do not operate your lawn mower on such sl opes.
7 SECTION 3: ASSEMBLING YOUR LAWN MOWER Removing Unit From Carton • Remove staple s, break glue on top flaps, or cut tape at carton end an d open carton. • Remove loose parts if included with unit (i. e., operator’s manu al, etc.) • Cut along corner s, lay the carton down flat, and remove all packing materia l.
8 • Fasten the cable to the lower handle with the two cable ties fou nd on the lower handle. Pull the cable ties tight an d trim off t he excess. Se e Figure 5. Figure 5 NOTE: Your mower is shipp ed with the handle in the higher position. If yo u wish to lower the height of the handle, refer to the Adjustment Section at this time.
9 hardtop cover so that t he holes in the cover line up with the ho les in the bracket. In sert the self tapping screws down through the ha rdtop cover and mounting bracke t. Attaching Grass Catcher & Chute IMPORT ANT : Make sure cable is rout ed to the outside of the handle so that it is not in the way when attaching the grass cat cher.
10 Cutting Height Adjustment Levers These levers are locate d on each wheel and are used to adjust the cutting he ight. These levers have to be at the same relative positi on to ensure uniform cut. Recoil Starter The recoil star ter is attached to the right upp er handle.
11 • For a healthy lawn , always cut off one-third or less of the tota l length of the grass. Mulching For effective mulching , do not cut wet grass. New or thick grass may require a narrower cut. If the grass has grown in excess of 4” , mulching is not reco mmended.
12 SECTION 7: MAINTAINING YOUR LAWN MOWER Cleaning Mower The underside of the mowe r deck should be cleaned after each use to preven t any build-up of grass clippings, leaves, dirt , or other debris. NOTE: We do not recomme nd the use of pre ssure washers or garden ho se to clean your unit.
13 • Follow the original angle of grind as a guide. Make sure that each cutting ed ge receives an equal amount of grindi ng to prevent an unbalanced blade. Balancing the Blade • The blade can be te sted by balancing it on a round shaft screwdrive r.
14 SECTION 10: PARTS LIST FOR MODEL 549 1 6 7 8 9 10 11 12 13 18 19 2 49 50 55 56 57 58 59 61 62 40 47 54 53 51 52 65 37 42 40 39 36 15 35 22 31 32 16 25 29 26 49 30 49 23 49 21 20 34 43 45 64 29 24 4.
15 Model 549 Ref. No. P art No. P art Description 1. 749 -1092A Upper Handle 2. 747 -1161A Control Handle 3. 731 -04302 Hardtop Cover 4. 731 -1506 Front End Cover 5. 787 -01113 Grass Bag Mounting Bracket 6. 720 -0279 Handle Knob 7. 710 -1205 Rope Guide 8.
MANUF A CTURER’S LIMITED W ARRANTY FOR: The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its poss essions and territo ries.
デバイスYard-Man 549の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Yard-Man 549をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはYard-Man 549の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Yard-Man 549の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Yard-Man 549で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Yard-Man 549を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はYard-Man 549の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Yard-Man 549に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちYard-Man 549デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
