User Manual

GS R/C

DLA ENGINE OPERATING-INSTRUCTION

MANUAL

08/20/2014 Copyrighted Material

Page - 30 DLA 32, 58, 64, 116, 116-I2 & 128cc Rev. A.05.01

ENGINE STARTING:

1. Be sure the Ignition Kill Switch is in the off position, and that your ignition and receiver

batteries are fully charged.

2. Add the gas:oil mixture to the fuel tank.

3. Turn on your transmitter and receiver.

4. Make sure the transmitter throttle control is in the low or idle position.

5. With the kill switch in the off position

a. Close the carburetor choke

b. Turn ignition kill switch to the on position.

c. Rotate the propeller (counter-clockwise, as facing the engine from the front), using

an electric starter motor, until the engine starts to fire.

i. Stop rotating the propeller when the engine starts to fire.

ii. Do not rotate or “flip” the prop by hand, as that is dangerous.

d. If the engine is still firing and the propeller rotating, wait for the propeller to stop.

e. With the propeller stopped, turn the ignition switch off and open the choke.

f. Turn the ignition switch back on.

g. Engage the electric starter and rotate the propeller until the engine starts.

h. Warm up the engine for twenty (20) to thirty (30) seconds before advancing the

throttle.

i. Check to see that:

i. The idle is correct.

ii. The transitions from low to high are correct.

ENGINE BREAK-IN:

The engine may be broken in either on a static bench mount or on the aircraft. If using a bench

mount, it is necessary to provide a soft mounting environment for the engine. A soft mount is one

that significantly isolates the engine vibration from the static mount. A hard mount can stress the

engine and particularly the mounting tabs. Damage often occurs in this mounting situation.

Start the engine as described above and run the engine using the break-in (Trial) gasoline to oil

mixture (25:1 to 30:1). Use only “Carbon” based 2-cycle oil and not synthetic for the

break-in. Run the engine throughout the allowable rpm range, stopping at incremental setting

between: 1) idle, 2) 25%, 50%, 75%, of max-rpm and at maximum rpm, allowing the engine to run

at each rpm setting for ~ 20% of the run time supported by the fuel tank capacity.

Break in the engine through approximate three to four (3 – 4) gallons of fuel.

NORMAL FLIGHT OPERATIONS: