Ada GroundDrill-14 [12/34] Grounddrill 14

MEASUREMENT FOUNDATION

Reverse

GroundDrill-14

INSTRUMENTS

4. Measure the spark plug electrode gap with a suitable gauge. The gap should be 0.70 - 0.80 mm. Correct the gap, if necessary, by care-

fully bending the side electrode.

5. Install the spark plug carefully, by hand, to avoid cross-threading. Tighten the spark plug with a spark plug wrench.

Note: If installing a new spark plug, tighten 1/2 turn after the spark plug seats. If reinstalling the used spark plug, tighten 1/8 - 1/4 turn

after the spark plug seats.

Caution: A loose spark plug can overheat and damage the engine. Over tightening the spark plug can damage the threads in the cylinder head.

GEAR CASE SERVISE

For the model GD-14

Change the oil in the gear case every 100 hours of operation. Drain the oil from the gear case through the drain plug.

Do not drain oil on the ground.

For the model GD-14 Reverse

Add lubricating oil into the gear case and the mechanism of reverse operation every 100 h. Add 0.2-0.25 kg of lubricating oil of high

quality for the power transmission.

Add lubricating oil through the plug that is located on the reverse mechanism and on the gear case housing.

9. Long term storage

When storing for more than a month:

1. Remove a fuel from tank.

2. Run engine until it runs out of fuel.

3. Clean the inside of fuel tank and fuel lter with clean gasoline.

4. Remove the spark plug and put small amount of clean motor oil in the spark plug oil.

5. Pull the starter about 2 or 3 times, then stop pulling when the piston is at the top. Replace the plug.

6. Clean the external part of the motor with a cloth soaked in oil.

7. Store the motor in a dry place away from re and heat.