Troubleshooting Guide, Case 1. Starting failure

G3800

Be sure to round off the front edge to reduce the chance of kickback or tie-strap breakage.

Make sure every cutter has the same length and edge angles as illustrated.

Cutter length

Filing angle

Side plate angle

Top plate cutting angle

■Guide Bar

• Reverse the bar occasionally to prevent partial wear.

side of a cutter. If a gap is observed between them, the rail is normal. Otherwise, the bar rail is worn. Such a bar needs to be corrected or replaced.

Ruler

Gap

No gap

Chain tilts

WARNING:

This saw is equipped with one of the following low kickback bar/chain combinations:

Komatsu Zenoah Part Number

Saw Model Bar Size Guide Bar Saw Chain

• The bar rail should always be square. Check for wear

of the bar rail. Apply a ruler to the bar and the out-

G3800

14 848-CB2-4G23 2931-52210

16 3608-52112 2932-52210

9. Troubleshooting Guide

Case 1. Starting failure

Make sure the icing prevention system is not working.

Check fuel for water

or substandard mix- a Replacefuel. with proper ture.

Case 3. Oil does not come out

Check oil for sub-	a	Replace.
standard quality.	a	Replace.

d
Check oil passage
Check oil passage	a Clean.
and ports for clog-	a Clean.
ging.

Check for engine flooding.

Check spark ignition.

Remove and dry the spark plug.

Then pull the starter again with no choke.

Replace with a new plug.

If the unit seems to need further service, please consult with an authorized service shop in your area.

Case 2. Lack of power/Poor acceleration/ Rough idling

Check fuel for water

Replace with proper

or substandard mix- a fuel. ture.

Check air filter and fuel filter for clog- ging.

Clean.

Check carburetor for inadequate ad- justment.

Readjust speed needles.

GB-14

G3800 specifications

The Zenoah G3800 is a highly regarded engine in the realm of small engines, particularly known for its robust performance and reliability. As a two-stroke gasoline engine, it offers a unique combination of power and efficiency, making it a favored choice for various applications, including lawn equipment, handheld tools, and recreational vehicles.

One of the standout features of the Zenoah G3800 is its impressive power-to-weight ratio. Weighing approximately 4.1 kg (about 9 lbs), the engine delivers a substantial output of 38 cc, enabling it to perform admirably in demanding conditions. This balance of weight and power allows for greater maneuverability in tools such as chainsaws, trimmers, and blowers.

The G3800 is equipped with advanced technologies that enhance its overall performance and user experience. One notable innovation is its state-of-the-art ignition system, which ensures quick starts and smooth acceleration. The engine features a simple carburetion system that optimizes fuel delivery, ensuring that users get maximum power without sacrificing fuel efficiency.

Another characteristic that sets the G3800 apart is its durable construction. Made from high-quality materials, it is built to withstand the stresses associated with regular use in various environments. This durability not only extends the engine's lifespan but also minimizes maintenance needs, making it a practical choice for both everyday users and professionals.

Additionally, the Zenoah G3800 boasts low emissions thanks to its efficient combustion system. This feature aligns with modern environmental standards, making it a responsible choice for those who are mindful of their ecological footprint. The engine operates quietly, reducing noise pollution and providing a more pleasant working experience.

Overall, the Zenoah G3800 combines innovative technology, robust design, and environmental consideration, making it a standout engine in the small engine market. Whether for professional landscaping or DIY projects, its reliable performance and user-friendly characteristics make it an ideal choice for a wide range of applications.