1.製品オーバーview
This document provides instructions for the installation, operation, and maintenance of the Generic Carburetor, designed as a direct replacement for Walbro carburetors in Oleo Mac 936 chainsaw models. This carburetor is an aftermarket component intended to restore proper fuel delivery and engine performance.
Before proceeding with installation, carefully read all instructions and ensure this carburetor is compatible with your specific chainsaw model. Always compare the new part with the original part to confirm fitment.

画像1.1:正面 view of the Generic Carburetor. This image shows the general appearance and primary components.
2. 安全情報
Always prioritize safety when working with power tools and fuel systems. Failure to follow these safety guidelines can result in serious injury or property damage.
- スパークプラグを外す: メンテナンスや取り付けを行う前に、エンジンが誤って始動するのを防ぐため、必ずスパークプラグワイヤーを外してください。
- 燃料の取り扱い: Work in a well-ventilated area. Avoid open flames, sparks, or other ignition sources. Fuel is highly flammable.
- 目の保護: 燃料の飛散や破片から身を守るために適切な目の保護具を着用してください。
- 手袋: Wear protective gloves to prevent skin contact with fuel and other chemicals.
- 燃料を排出する: Before removing the old carburetor, drain the fuel tank to minimize spills.
- 専門家によるサポート: インストール プロセスのいずれかの手順について不明な点がある場合は、資格のあるサービス技術者にご相談ください。
3. パッケージ内容
パッケージを開封したら、すべてのコンポーネントが揃っていて損傷がないことを確認してください。
- 1 x Generic Carburetor (Replacement for Oleo Mac 936 / Walbro)
Note: Gaskets, fuel lines, or other accessories may not be included and might need to be purchased separately or reused from the original carburetor if in good condition.
4. セットアップとインストール
This section outlines the general steps for replacing the carburetor. Specific procedures may vary slightly depending on your chainsaw model. Refer to your chainsaw's original service manual for detailed instructions.
- チェーンソーを準備する: Ensure the chainsaw is turned off, the spark plug wire is disconnected, and the fuel tank is drained. Place the chainsaw on a stable, flat surface.
- キャブレターにアクセスする: Remove the air filter cover, air filter, and any other components obstructing access to the carburetor. This typically involves removing screws or clips.
- Disconnect Linkages and Lines: Carefully disconnect the throttle linkage, choke linkage, and any fuel lines connected to the old carburetor. Note their positions for reassembly.

画像4.1: 角度付き view of the carburetor, highlighting potential connection points for fuel lines and linkages.
- 古いキャブレターを取り外す: Unscrew the mounting bolts or nuts that secure the carburetor to the engine intake manifold. Carefully remove the old carburetor and any old gaskets.
- 新しいキャブレターの取り付け: Place new gaskets (if applicable) onto the intake manifold. Position the new Generic Carburetor, ensuring it aligns correctly with the mounting studs/holes. Secure it with the mounting bolts/nuts, tightening them evenly.

画像4.2: 側面 view of the carburetor, showing the location of typical adjustment screws (High, Low, Idle).
- Reconnect Linkages and Lines: Reattach the throttle linkage, choke linkage, and fuel lines to their correct positions on the new carburetor. Double-check all connections for security.

画像4.3:正面 view of the carburetor, illustrating the area where throttle and choke linkages connect.
- 組み立て直す: Reinstall the air filter, air filter cover, and any other components that were removed.
- Refill Fuel and Prime: Refill the fuel tank with the appropriate fuel mixture. Prime the carburetor according to your chainsaw's instructions (e.g., by pressing the primer bulb several times until fuel is visible).
- スパークプラグを再接続します。 スパークプラグワイヤーを再接続します。
5. 操作と調整
After installation, the carburetor may require minor adjustments for optimal performance. Refer to your Oleo Mac 936 chainsaw's original manual for specific carburetor tuning procedures. Generally, carburetors have three adjustment screws:
- アイドリング回転数(T): Adjusts the engine's RPM at idle.
- 低速(L): Controls the fuel/air mixture at low engine speeds.
- 高速(H): Controls the fuel/air mixture at high engine speeds.
Start with the factory default settings (often 1 to 1.5 turns out from lightly seated for L and H screws) and make small adjustments while the engine is running, listening for smooth operation and proper acceleration. Avoid over-leaning the mixture, as this can damage the engine.
6. メンテナンス
Regular maintenance helps ensure the longevity and performance of your carburetor and chainsaw.
- 燃料品質: Always use fresh, clean fuel mixed with the correct ratio of 2-stroke oil as specified by your chainsaw manufacturer. Stale or contaminated fuel is a common cause of carburetor issues.
- エアフィルター: Regularly inspect and clean or replace the air filter. A clogged air filter can restrict airflow, leading to a rich fuel mixture and poor engine performance.
- 燃料フィルター: Check and replace the fuel filter periodically to prevent debris from reaching the carburetor.
- キャブレターの清掃: If performance issues persist, the carburetor may need cleaning. This involves disassembling the carburetor and cleaning its internal passages with carburetor cleaner. This task is best performed by experienced individuals or a professional.
7。 トラブルシューティング
キャブレターの交換後にチェーンソーに問題が発生した場合、次の一般的な問題と解決策を検討してください。
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| エンジンが始動しない |
|
|
| Engine runs poorly / lacks power |
|
|
| Engine idles rough or stalls |
|
|
これらの手順を実行しても問題が解決しない場合は、専門家による診断と修理が必要になる可能性があります。
8. 仕様
- 互換性: Oleo Mac 936 Chainsaws (Replaces Walbro Carburetors)
- パッケージ寸法: 5.91 x 5.91 x 1.97インチ
- 商品の重量: 5.3オンス
- メーカー: DCSPARES
9. 保証とサポート
For warranty information regarding this Generic Carburetor, please refer to the terms and conditions provided by the seller at the time of purchase. As this is an aftermarket part, warranty coverage may differ from original equipment manufacturer (OEM) parts.
For technical support or further assistance, please contact the seller directly through your purchase platform. Ensure you have your order details available when contacting support.