Yard-Manメーカー503の使用説明書/サービス説明書
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22” Rotary Mowers Model 503 Oper ator’ s Man ual IMPOR T ANT : READ SAFETY R ULE S AND INSTR UCTIONS CAREFULL Y MTD LLC, P .O . BO X 361131 CLEVELAND , OH IO 44136-0019 Warning: This unit is equip.
2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Manual is an import ant part of your new lawn mower. It will help you asse mble, prepare and maintain the unit fo r best performance.
3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out import ant safety instructions whic h, if not followed, could endanger the person al safety and/or property of your self and others. Read and follow all instructions in this manual before atte mpting to operate this machine.
4 18. If the equipment sh ould start to vibrate abnormally, stop the engine an d check immediately for th e cause. Vibration is genera lly a warning of trouble. 19. Shut the engine off and wait until th e blade comes to a complete stop before removing the grass catcher or unclogging the chute.
5 General Service: 1. Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. 2. Before cleaning, repa iring, or inspecting, ma ke certain the blade and all mo ving parts have stopped.
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 IMPORT ANT: This unit is shipped without gaso line or oil in the engine. Be cer tain to service engine with gasoline and oil as instructed in the separate engine manual before op erating y our mower. NOTE: Reference t o right or left hand side of the mower is observed from the opera ting position.
8 Installing Front Wheels • Place the front of the mo wer deck on raised blocks. • Remove lock nut fr om pivot arm assembly, slide wheel onto pivot ar m assembly and secure with lock nut. See Figure 6. • Assemble the othe r side in the same manner.
9 IMPORT ANT: This unit is shipped without gasoline or oil in the engine. Be cer tain to service engine with gasoline and oil as instructed in the separate engine manual before operatin g your mower. SECTION 4: KNOW YOUR LAWN MOWER Read this operat or’s manual and safety rules before operating your lawn mower.
10 • Your lawn mowe r may be equ ipped with a con stant speed thrott le, which is se t at full thro ttle for best performance. • Stand behind the mower and squeeze the blade control handle against t he upper handle.
11 SECTION 7: MAINTAINING YOUR LAWN MOWER General Recommendations • Always observe safety rule s when performing any maintenance. • The warranty on this lawn mower do es not cover items that have been subjected to operator abuse or negligence .
12 Maintenance NOTE: When tipping the unit or emp tying the fuel tank keep the air cleaner side of engine up. Never tip the mower more than 90 degrees and do not lea ve the mower tipped for any length of time. Oi l can drain into the upper part of the engine causing a starting pr oblem.
13 SECTION 8: TROUBLESHOOTING Prob lem Cause Remedy Engine fails to st art 1. Blade control handle disengaged. 2. Spark plug wire disconnected. 3. Fuel tank emp ty or stale fuel. 4. Blocked fuel line. 5. Faulty spar k plug. 6. Engine flood ed 1. Engage blade cont rol handle.
14 SECTION 9: PARTS LIST FOR MODEL 503 1 2 3 4 5 6 8 9 6 13 14 16 17 19 20 43 23 24 25 26 29 33 34 35 36 38 39 31 40 42 44 46 18 12 10 15 41 21 27 32 31 22 28 17 48 47 47 48 48 11† 49 †If Equipped.
15 Model 503 Ref. No. P art No. P art Description 1. 747-1161A Blade Control Handle 2. 749-1092A Upper Handle 3. 746-0946 Blade Control Cable - 48.25” 4. 710-1205 Eye Bolt 5. 720-0279 Wing Nut 6. 720-0284 Wing Nut 7. 736-0451 Shoulder Washer.320 ID x.
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 503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 503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 503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 503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 503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 503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 503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 503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 503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。
