This is the Crankcase for use on the DLE Engines DLE-30cc Gas Engine (DLEG0030) FEATURES: Aluminum construction
Brand: DL POWER
Part Number: 30-3-0
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Displacement: Performance: Idle Speed: Ignition Style: Recommended Propellers: Spark Plug Type: Diameter Stroke: Compression Ratio: Carburetor: Weight: 30.5 cc [1.86 cu. in.] 3.7HP / 8,500 rpm 1,600 rpm Electronic Ignition 18 8, 18 10, 19 8, CM6 (Gap) 0.018in. 0.020 in. [0.45mm 0.51mm] 1.41in. [36mm] 1.18 in. [30mm] 7.6:1 DLE with Manual Choke Main Engine 2 lb [910 g] Muffler 2.11oz [60 g] Electronic Ignition 4.23oz [120 g] Engine Mount Standoffs 0.71oz [20 g] Octane Gasoline with a 30:1 gas/2-stroke (2-cycle) oil mixture
2010 Hobbico, Inc.
(1) DLE-30cc Gas Engine with DLE carburetor (1) CM6 Spark plug with spare ignition wire spring (1) Mufer w/gasket (2) 5x20mm SHCS (mufer mounting) (1) Electronic Ignition Module w/ additional tachometer lead (4) 30mm Engine Mounting Standoffs (4) 4x30mm SHCS with 4mm lock washers & at washers (propeller mounting) (4) 5x25mm SHCS with 5mm at washers (mounting engine to standoffs) (1) Silicone Pick-up Wire Cover / Ignition Wire Cover (1) Red Three Pin Connector Lead w/ Pig Tail (ignition switch) (1) Long Heavy Duty Throttle Control Arm (2) Three Pin Connector Securing Clips (1) DLE Decal Set
Safety Tips and Warnings
This engine is not a toy. Please place your safety and the safety of others paramount while operating. DLE will not be held responsible for any safety issues or accidents involving this engine. Operate the engine in a properly ventilated area. Before starting the engine, please make sure all components including the propeller and the engine mount are secure and tight. It is strongly recommended that a screw sealant is used (Great PlanesThreadlocker GPMR6060) during engine installation. During the break-in period, it is recommended that the engine be installed on the aircraft or a test stand with an appropriate shock 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. An unbalanced spinner and propeller combination will cause high levels of vibration and may cause the propeller shaft to break. Always use a lightweight spinner on your engine. Lightweight spinners are considered to be those with a cone wall of 1mm or less. Heavy spinners could cause the propeller shaft to break. Securely tighten the spinner and propeller on the engine to prevent them from being thrown off the engine while running. Never use a propeller that has hit the ground. Even though it may look good from the outside, it may be cracked on the inside which may cause it to disintegrate while in use. Do not use a nicked, cracked or split propeller. Keep foreign objects away from the propeller. Make sure that nothing can be sucked in by the propeller. Never start the engine on loose gravel or sand. Do not attempt to stop the engine by throwing anything into the path of the propeller. Make sure the fuel line is well-secured to the engine and to the fuel tank so that it wont come off in ight. Do not use silicone fuel line because it will be dissolved by the fuel. Use gasoline approved rubber fuel line. Always secure the fuel line away from the cylinder head. The engines heat can damage the fuel line. Never touch the engine immediately after a run. The engine will be hot. Before transporting your model, remove all the fuel from the fuel tank and fuel lines. Always use high-quality oil intended for 2-stroke (2-cycle) engines. It's a good idea to use a petroleum-based 2-cycle motor oil like Lawn Boy All Season - Ashless, Generation II oil for the break-in period. Break-in should be considered about the rst 3-5 gallons you run in the engine. A high quality synthetic 2-cycle oil is recommended for optimum performance and a longer engine life. Synthetic 2-cycle oils leave fewer combustion byproducts than natural oil which can foul the engine and exhaust ports, resulting in reduced performance. Synthetic oils also better reduce friction and provide more uidity at low temperatures.
The throttle and choke pushrods should be non-metallic. If the engine is not to be used for more than a month, drain the fuel tank and remove any fuel from inside the carburetor. Do this by running the engine at idle until it quits by running out of fuel. Keeping gasoline inside the carburetor over an extended period of time will damage the diaphragm valve and clog passages inside the carburetor. Due to the carburetor being more complicated than those used in glow engines, keep the fuel clean by using a fuel lter. Use a lter intended to be used with gasoline engines. Metal lters intended for glow engine are too coarse and will not screen out ner particles. Always lter your fuel by using an appropriate lter before putting it into the airplanes fuel tank. Gasoline is extremely ammable. Keep it away from an open ame, excessive heat or sources of sparks. Do not smoke near the engine or the fuel tank. This engine was designed for use in a model aircraft. Do not attempt to use it for any other purpose. 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. Caution: Running the engine with a lean gas mixing will cause the engine to overheat and burn the electrode of the spark plug. Pay close attention to the High-speed Needle adjustment. Running the engine with the proper gas mixing will cause the spark plugs to appear yellow at the ignition point. For optimum performance please use fresh or recently purchased 93 octane gasoline (87 octane gasoline will sufce) with a 30:1 gas/oil mixture.
GAS/OIL Mixing Chart
1 Gallon Gasoline (128 oz/3.78L) / 2-Cycle Oil (4.26oz/125.68ml) = 30:1 ratio Excessive running of the engine at idle speed can result in a seriously carbonized spark plug. Keep the surface of the engine clean to ensure proper heat dissipation. Ensure proper cooling/ventilation around the cylinder with adequate air exhaust. 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 plug not installed in the plug cap.
Prepare the engine for installation
1. Check to see that all screws and bolts are tight. Check carefully for any cracks, broken or missing parts.Tighten or replace any damaged or missing parts before proceeding.
2. Install the silicone wire cover over the pick up lead coming from the engine (cut the excess silicon wire cover) and connect the lead to the pickup lead from the Electronic Ignition Module. Secure the connection with the included three pin connector securing clip.
3. Connect the 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 one of the included three pin securing clips 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. Install the ignition kill switch on the aircraft so that it is easily accessible through the cowling or the fuselage. 6. Install the ignition module and battery securely in the airplane forward area. It is recommended that a thin piece of foam rubber is placed between the module and the mounting surface and that Velcro is used to hold the module in place. 7. Secure all connections with heat shrink tubing. (not supplied) 8. Install the silicone ignition wire cover over the ignition wire to the spark plug. 9. Install the spark plug into the engine cylinder (7-8lbs Torque).
Ignition Control Switch Wire
(To On/Off Switch)
ELECTRONIC IGNITION SYSTEM
Charge Lead Battery Lead
(To Spark Plug)
Pick-Up Sensor Wire
(To Sensor On Engine)
Tachometer Lead/ RPM Signal Out-Put
Installing the DLE-30 on Your Airplane
Note: The DLE-30 must be installed on at least a 3/8 [9.5mm] rewall. The rewall must be securely glued to the airplane. Use triangle stock and pin the rewall with hardwood dowels to reinforce the rewall glue joints. Never install the DLE-30 onto a rewall thinner than specied because it may fail due to the power of the engine. Note: The length of the engine from the back on the engine mount to the face of the propeller washer is 6.37 [162mm]. 1. Use the supplied template (on the back cover of this manual) to drill the engine mounting bolt holes. 2. Install the standoffs to the engine with the included 5 x 25mm SHCS and 5mm at washers (its a good idea to use 5mm lock washers between the SHCS and the at washers). Next, install the engine with standoffs to the rewall using (4) 5 x 20mm SHCS with 5mm lock washers and at washers (not included). Use threadlocking compound, such as Great Planes Pro Threadlocker (GPMR6060) on all mounting screws. 3. Install the fuel tank in the airframe. Use only gasoline approved fuel tank and fuel lines and a gasoline approved stopper. One line should go to the carburetor 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 rewall).You can ll the tank by using the carburetor line as ll line if you have access to it or install a third line to be used as ll line. Installing a third line is the cleanest and easiest way to add fuel. An alternative fueling set up is a 2-line system with a T-tting approved for gasoline use. Be sure to use a ller plug with either a 2 line or 3 line set-up. It's a good idea to add an extension to the vent line as shown, that goes up and to the rear of the tank. This helps to avoid draining fuel from the tank when the model is pointed down.
Fuel Tank Supply Line to T-Fitting Carb Make connection line between T-Fitting and Carburetor as short as possible.
T-Fitting Fuel fill line Filler Cap or Plug
Drain/Vent Pressure Relief Line Route to top-front of fuel tank interior, to prevent siphoning (2-Line Set-up)
This line must be extended to exit the bottom of the aircraft.
4. Install the throttle servo at least 12 [305mm] away from the engine. Make sure that you get the carburetors full range of rotation with your servo travel. Be sure to use a non-metallic linkage.
5. Install the choke servo (optional) at least 12 [305mm] away from the engine. Be sure to use a non-metallic linkage.
6. Connect the ignition wire from ignition module to the spark plug.
7. Install the mufer onto the engine. Be sure to use threadlocker and that the ignition wire does not contact the mufer.
8. Cut all necessary clearance, carburetor adjustment, cooling, and exhaust holes in the cowl. 9. Make sure the cowl is secured to the airplane and that the spinner back plate to cowl clearance is at least 1/8 [3.2mm].
Drill and Install the Propeller
The easiest way to drill the propeller to t the hub is to use a drill guide. If you do not have a drill guide, you can use the following method to drill your propeller. Most propellers within the recommended size range have a 0.393" [10mm] center hole pre-drilled. If your propeller has this predrilled hole, move on to step 3. If not, start with step 1.
1. Remove the cowling from the aircraft. Use the included propeller washer to mark the centering hole on the propeller 2. Once the location is established, use a drill press with a 13/32 (.406/10.31mm) drill bit. In order to achieve a clean hole opening on both sides of the propeller, drill only half way through the propeller with the 13/32 (.406/10.31mm) drill bit. Then ip the propeller over and drill completely through the hole.
3. Next, set the engine at the top of the compression stroke. Note the position of the ignition magnet with engine inverted.
4. Place the propeller on the crankshaft at the one oclock position.
5. Mark the location of one of the outer holes while the propeller is in the beginning of the compression stroke position. 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 #22 (.157/ 4.01mm) drill bit to nish the hole. In order to achieve a clean nish on both sides of the propeller, drill only half way through the propeller with the nishing drill bit. Then ip the propeller over and drill completely through the hole.
7. Use one of the 4x35mm SHCS with 4mm lock washers and at washers to align the propeller washer on the propeller and use the Dead Center Hole Locator to mark the position of the remaining holes. 8. Drill the remaining three holes in the propeller using the same technique as step 6. 9. Mount the propeller to the engine using the 4x35mm SHCS with 4mm lock washers and at washers. Be sure to use threadlocker.
Adjustment of the Engine
Each DLE Engine has been factory preset. However, higher elevations will inuence the performance of the carburetor. To obtain optimum output of the engine, slight adjustment of the carburetor maybe necessary.
Engine Functions and Adjustments
1. Choke Control (the choke control should be used when the engine is cold) 2. Throttle Control 3. Idle Adjustment Screw (adjust the idle speed) 4. (L) Low-speed Needle (adjusts the fuel/air mixture at low speeds) 5. (H) High-speed Needle (adjusts the fuel/air mixture at high speeds)
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.4) clockwise will lean the fuel/air mixture at low speeds.Turning the Low-speed Needle (No.4) counterclockwise will richen the fuel/air mixture at low speeds. (The default
or factory setting of the Low-speed Needle is as follows: turn the needle to the fully stop/closed position and then turn back 1.5 turns) High Speed Needle Adjustment Turning the High-speed Needle (No.5) clockwise will lean the fuel/ air mixture at high speeds. Turning the Low-speed Needle (No.5) counter-clockwise will richen the fuel/air mixture at high speeds. (The default or factory setting of the High-speed Needle is as follows: turn the needle to the fully stop/closed position and then open the needle 1.5-2 turns). It is recommended that the High-speed Needle be adjusted by the use of a tachometer to obtain maximum speed. Smooth acceleration and deceleration is an indicator of proper engine performance. Ignition Timing Adjustment For most applications mount the sensor with the mounting screws centered in the slot. The ignition timing is preset on the DLE-30 at 46 before Top Dead Center (TDC). The ignition timing can be advanced or retarded slightly by loosening the (2) ignition sensor phillips head screws and sliding the sensor to the full extent clockwise (47 advancing the ignition) or counter clockwise (45 retarding the ignition). Be sure to retighten the phillips head screws after adjusting the ignition timing. Advancing the timing causes combustion to occur earlier, resulting in higher performance of the engine. However, advancing the timing also causes higher engine temperatures and can cause premature wear of internal engine components.
Carburetor Adjustment Troubleshooting
Problem: If The engine hesitates when accelerated rapidly. or The rpm increases at idling. or The engine stops when the throttle is moved from high to low. Solution: The low-speed needle L is too lean. Open it up about 1/8 of a turn and try again. 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. Solution: The high-speed needle valve H is too rich. Close it up 1/8 turn and try again.
When starting the engine for the rst time and during break-in, its recommended that you run the engine without the cowling. Also for safety reasons do not make adjustment to the carburetor while the engine is running. There are two recommended ways to start the DLE-30:
A. Manual Starting
Note: When hand starting the DLE-30, use a thick glove or heavyduty starter stick to protect your hand. 1. The propeller should be installed on the drive washer at the one oclock position and at the beginning of the compression stroke so that its comfortable to ip it through compression. 2. Have someone help you hold the airplane while you start the engine. 3. Switch the ignition to ON, close the choke on the carburetor and open the throttle slightly from the idle position. 4. Flip the propeller counter-clockwise several times briskly, until a popping sound is heard. This indicates that the engine is ring. 5. Move the choke lever to the OPEN position. 6. Set the throttle to a high idle. Set the propeller so that it is at the beginning of the compression stroke. 7. Flip the propeller through compression rapidly. If this is done properly, the engine will start after several brisk flips of the propeller.
8. 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. If acceleration is not smooth, adjustments to the carburetor may be necessary (see Adjustments of the Engine page 12 14). 9. If your engine does not start, repeat steps 2 8.
B. Electric Starter Starting
A 24V electric starter is recommended to start the DLE-30 1. Make sure you use a good quality, lightweight aluminum spinner. 2. Have someone help you hold the airplane while you start it. 3. Switch the ignition to ON, close the choke on the carburetor and open the throttle slightly from the idle position. 4. Use your electric starter to turn the engine over for several seconds, until a popping sound is heard 5. Move the choke lever to the open position. 6. Use your electric starter to turn over the engine until it starts. 7. 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. If acceleration is not smooth, adjustments to the carburetor may be necessary (see Adjustments of the Engine page 12 14). 8. If your engine does not start, repeat steps 2 7.
If your engine fails to start after the preceding starting procedures please check the following.
Ignition battery voltage low
Charge or replace battery
Battery wires faulty or loose Engine does not fire
Replace wires or Re-connect/check connections
Faulty spark plug or not firing
Replace spark plug or check for spark *
Remove plug, disconnect fuel line, rotate prop to remove fuel Check for: a) fuel in tank b) fuel tubing cut, blocked, or kinked c) carburetor clogged
Engine starts, then rpm increases till engine cuts out
Fuel not reaching engine
* This can be done by removing the spark plug from the cylinder of the engine, inserting the plug onto the plug cap, and contacting the plug to the outside of the crankcase. Have an assistant turn the engine over while checking this and be sure to have the spark plug rmly plugged into the ignition wire. Warning: The high voltage from the ignition can cause bodily harm, especially when checking for spark in this manner.
Optional Digital Tachometer (not included)
An optional DigitalTachometer is available that can be directly connected to the ignition and display the RPMs of the engine. This unit can be installed on the aircraft or used to spot check the Engine RPMs. Do not install or uninstall the Digital Tachometer while the engine is running. Many of the DLE Ignition modules have an additional lead to plug into the optional tachometer. If your ignition module does not have this additional lead, the digital tachometer can still be used. Simply use the Y-harness (included with the Digital Tachometer) to connect to the pick-up lead from the engine. Be sure to secure all connections and to secure the Digital Tachometer or leads on the aircraft used.
Please clean the fuel lter in the carburetor periodically. Failure to do so may result in mis-calibration of the needle adjustments. In order to do this it is necessary to remove the phillips head screw which secures the Carburetor Filter Cover and the Carburetor Filter Gasket. Use only carburetor cleaner to spray the opening around the lter.
The DLE-30 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 Ph: 217-398-0007 Fax: 217-398-7721
E-mail: firstname.lastname@example.org Web address: www.hobbyservices.com
Stock No. DLEG3001 DLEG3002 DLEG3003 DLEG3004 Key No. Description Cylinder Head Crankshaft w/Con Rod Front Crank Case Rear Crankcase Piston Piston Pin (2) Piston Pin Retainers Piston Ring Electronic Ignition Module Mufer with Gasket (2) 5x20mm SHCS Carburetor Complete Engine Mounting Standoffs with (4) 5mm Flat Washers & (4) 5mmx60mm SCHS Spark Plug Rear Bearing Front Bearing Electronic Ignition Sensor with Mounting Screws Complete Screw and Washer Set Propeller Hub Crankshaft Spacer Crankshaft Extension Propeller Washer. Needle Bearing Carburetor Spacer Gasket Carburetor Gasket Mufer Gasket Head Gasket. Woodruff Key
DLEG3005 DLEG3006 DLEG3007 DLEG3008 DLEG3009
DLEGDLEG25 DLEGDLEGDLEG24 DLEGDLEG20 DLEG3019 29
DLEG5525 DLEG18 Onboard Digital Tachometer Rear Carburetor Conversion Kit Rear Crankcase Carburetor Mounting Base Reed Valve Assembly Carburetor Mount Carburetor Spacer Gasket Carburetor Gasket
2.4 in. [60 mm]
6.37 in. [162 mm]
4.33 in. [110 mm]
2.13 in. [54 mm]
2.75 in. [70 mm]
DLE-30 Mounting Pattern
2.75 in. [ 70 mm]
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