-170 DLE Operator’s Manual Specifications Displacement: Performance: Idle speed: Ignition Style: Recommended Propellers: Spark Plug Type: Diameter x Stroke: Compression Ratio: Carburetor: Weight: Fuel: 170cc [10.37 cu. in.] 17.5 HP/ 9,000 RPM 1,100 RPM Electronic Ignition 30 u 12, 32 u 10 CM6 (Gap) 0.018 in. – 0.020 in. [0.45 mm – 0.51mm] 2.06 in. [52mm] u 1.19 in. [30 mm] 9.5:1 (1) DLE with Manual Choke Main Engine − 7.83lbs [3,552 g] Mufflers (2) − 13.8 oz [391 g] Electronic Ignition (1) − 5.
Parts List (1) DLE-170cc Gas Engine w/ DLE carburetor (2) DLE (CM-6 size) Spark plugs (2) Mufflers w/(2) gaskets (4) 5x20mm SHCS (muffler mounting) (1) Electronic Ignition Module w/additional tachometer lead (4) 20mm Engine Mounting Standoffs (6) 6x55mm SHCS with 6mm lock washers & 6mm flat washers (propeller mounting) (2) Silicone Pick-up Wire Cover/Ignition Wire Cover (1) Red Three Pin Connector Lead w/ Pig Tail (ignition switch) (2) Three Pin Connector Securing Clips (1) DLE-170 Decal Sheet (2) Brass Pr
● ● ● ● ● ● ● ● ● ● ● 3 absorber. Otherwise it is probable that vibration could rebound back to the engine and serious damages may occur during the break-in period. For your safety and the safety of others, please do not stand in front or in line with the propeller when the engine is running. Keep onlookers away from the running engine, especially small children. Always use a balanced spinner and a balanced propeller.
● For optimum performance please use fresh or recently purchased 87 octane gasoline with a 30:1 gas/oil mixture. GAS/OIL Mixing Guide 1 Gallon Gasoline (128 fl oz/3.78L)/2-Cycle Oil (4.26 floz/125.68ml)=30:1 ratio ● Always install an ignition system kill switch on the aircraft used. ● Do not install your throttle servo or kill switch servo inside the engine compartment. Doing so could cause radio interference. Install all electronic radio devices at least 12" [305mm] away from the engine.
● To avoid permanent damage to the electronic ignition system, NEVER rotate the propeller on your DLE engine with the electronic ignition system switched on and the plugs not installed in the plug caps. ● If you elect to not use a smoke system with your engine and aircraft, the two included brass fittings must be installed in the muffler and then obstructed to prevent exhaust from leaking into the cowling.
3. Connect the ignition kill switch lead to the red connector from the ignition control module using the lead from the kill switch or with the included three pin connector with pig tail. Use the included three pin securing clip to secure the connection. 4. Connect the ignition module battery to the kill switch. Any 4.86.0V, 1000mAh and above capacity battery will work well for this. Use heat shrink tubing to secure this connection. 5.
Switch Charge Lead (Not included) Battery Lead Ignition Control Switch Wire (To On/Off Switch) ELECTRONIC IGNITION SYSTEM Ignition Wires (To Spark Plugs) Pick-Up Sensor Wire (To Sensor On Engine) Tachometer Lead/ RPM Signal Out-Put Optional Tachometer (Not included) 7. Use the above diagram to install the Electronic Ignition Module to the engine. 7 8. Install a 2-56 ball links (not included) to the throttle & choke control arms.
Installing the DLE-170 on Your Airplane Note: The DLE-170 must be installed on at least a 3/8" [9.5mm] firewall. The firewall must be securely glued to the airplane. Use triangle stock and pin the firewall with hardwood dowels to reinforce the firewall glue joints. Never install the DLE-170 onto a firewall thinner than specified because it may fail due to the power of the engine. Note: The distance from the firewall to the propeller washer is 8.34" [212mm]. 1.
One line should go to the carburetor via a gasoline approved T-fitting and the other is to be used as a vent (a vent line is simply an open ended fuel line from the fuel tank which exits the engine compartment or the fuselage, most vent lines exit at the bottom of the firewall).You can fill the tank by using the carburetor line as fill line if you have access to it or install a third line to be used as fill line. Installing a third line is the cleanest and easiest way to add fuel.
8. Connect the ignition wires from ignition module to the spark plugs. 9. Install the mufflers onto the engine with the included gaskets. Tighten the two bolts on each muffler evenly to ensure a proper seal. Be sure to use thread locker. 10. Cut all necessary clearance, carburetor adjustment, cooling, and exhaust holes in the cowl. A 1:3 ratio of air intake-to-air exhaust area is recommended for proper engine cooling. 11.
5. Mark the location of one of the outer holes on the propeller. Use a GPM Dead Center Hole Locator (GPMR8130) to center and start the hole. 6. Remove the propeller from the engine and drill the outer hole on the drill press using a #35 (.110"/2.81mm) drill bit as a pilot hole. Next use a 1/4" (6.28mm) drill bit to finish the hole. In order to achieve a clean finish on both sides of the propeller drill only half way through the propeller with the finishing drill bit.
Idle Adjustment Turning the Idle Adjustment Screw (No.3) clockwise will increase the idle speed. Turning the Idle Screw counter-clockwise will decrease the idle speed. Low Speed Needle Adjustment Turning the Low-speed Needle (No.5) clockwise will lean the fuel/air mixture at low speeds.Turning the Low-speed Needle (No.5) counterclockwise will richen the fuel/air mixture at low speeds.
Problem: If The idle is not steady. Solution: The low-speed needle “L” valve is too rich. Close it 1/8 of a turn and try again. Problem: If Engine stops at full throttle. or Engine hesitates when accelerated rapidly. or The engine will not come up to full rpm at full throttle. Solution: The high-speed needle valve “H” is too lean. Open it up 1/8 of a turn and try again. Problem: If Your engine does not reach full rpm. or Carbon build-ups appear consistently on your spark plug.
6. Move the choke lever to the OPEN position. 7. Set the throttle to a high idle. Set the propeller so that it is near the beginning of the compression stroke. 8. Flip the propeller through compression rapidly. If this is done properly, the engine will start after several brisk flips of the prop. 9. After starting, let the engine idle for 30 to 45 seconds. Open and close the throttle slowly until the engine runs smoothly at idle and at full throttle. Acceleration should also be smooth.
Symptom Engine does not fire Engine starts, then rpm increases till engine cuts out Diagnosis Fix Ignition battery low Charge or replace battery Battery wires faulty or loose Replace wires or Re-connect/check connections Faulty spark plug or not firing Replace spark plug or check for spark * Engine flooded Remove plug, rotate prop to remove fuel Fuel not reaching engine Check for: a) fuel in tank b) fuel tubing cut, blocked, or kinked c) carburetor clogged * This can be done by removing the s
Engine Maintenance Please clean the fuel filter in the DLE Carburetor periodically. Failure to do so may result in miss-calibration of the needle adjustments. In order to do this it is necessary to remove the Phillips head screws which secure the carburetor filter cover and the carburetor filter gasket. Use only carburetor cleaner to spray around the opening of the filter.
Warranty Information The DLE-170 has a two year limited warranty through Hobby Services beginning at date of purchase. Please retain your receipt as your proof of purchase. Hobby Services 3002 N. Apollo Drive Suite #1 Champaign, Il 61822 Tel: 217-398-8970 Fax: 217-398-7721 E-mail: enginesupport@Hobbico.
21 29 6 10 32 17 18 10 19 13 20 31 3 1 25 5 23 24 7 12 4 22 20 20 24 2 23 30 15 26 11 27 16 28 8 4 13 5 25 20 3 9 33 1 31 7
Key Numbers #1 Cylinder #2 Crankshaft w/Rods #3 Crankcase #4 Piston #5 Ring #6 Electronic Ignition System #7 Left Muffler (one external mounting hole) #7 Right Muffler (two external mounting holes) #8 Carburetor Complete #9 Engine Mount #10 Spark Plug #11 Reed Valve #12 Inner Bearing #13 Front & Rear Bearing #15 Carburetor Heat Block #16 Carburetor Base #17 Prop Washer #18 Crankshaft Extension #19 Prop Hub #20 Piston Pin Retainer #21 Screw Set #22 Woodruff Key #23 Piston Pin #24 Needle Bearing #25 Cylinder/
DLE-170 Mounting Pattern 3.54 in. 90 mm 3.15 in.
