Limited Warranty
We grant a 36 month warranty from the date of purchase. This warranty is limited to the replacement
of defective parts that are a direct result of faulty material or manufacturing. No claim concerning
a defect caused by non-compliance with installation or operation instructions, mishandling,
unsuitable spare parts nor unskilled repairs will be acknowledged. Please ask your dealer to fill
out a warranty certificate for you at the time of purchase. Important: Keep this certificate in a safe
place as this warranty will not be honored without it. The original receipt is also required.
The safe operation of the engine is our primary concern. Therefore any alteration, modification
or addition to the engine is not recommended and will void your warranty immediately.
In case of defect during the period of garantee, return this product to your nearest 3W-Dealer or to 3W -Germany
direct, at your costs. The garantee is limited to the value of the product. The guarantee does not cover any damage
caused by misuse or neglect, accidents, abrasion, exposure to extreme temperatures, solvents, acids, water, normal
wear and tear or damage by common carrier.
Warning!
This engine is not a toy! Serious injury and /or death can occur from its misuse! READ and
become familiar with this entire instruction manual. LEARN the engine's applications,
limitations, and possible hazards.
When working on the engine(s) it is strictly prohibited to block the piston respectivly
crankshaft from moving by using a tool touching / hitting the piston crown / top.
Reason:
Distortion of the crown / top where the tool touches / hits the piston, material structure will be
changed as well as the outside diameter / conture of the piston.
What could happen:
Hole in the piston and / or piston will size after a running time which cannot be determind.
To block the crankshaft and / or piston from moving a tool has to be used clamping the propeller
hub only.
3W 157xi B2 / TS / CS Engine Manual
more infos: www.3w-modellmotoren.de