Cox .049 Operation and Troubleshooting Guide
Contents
1. Cox COX ENGINE OPERATION amp TROUBLESHOOTING GUIDE e Babe Bee 049 General Purpose Engine e Tee Dee 049 Powerful front intake Black Widow 049 More powerful engine non tank engine e Texaco 049 Extended run engine e Pee Wee 020 For small aircraft e Killer Bee 049 Powerful non tank engine Tee Dee 09 Large front intake non tank engine OPERATING GUIDELINES ALL ENGINES e We recommend using only COX Super Power Fuel in all COX engines If not available fuel containing at least 20 oil consisting of no less than 50 castor oil is recommended Use of fuel with less than 10 castor oil will void warranty e A 1 5 volt starting battery and glow head clip is required to start your engine We recommend the use of the engine starting kits listed below CAUTION Using batteries greater than 1 5 volts will damage the glow head and void all warranties e When adjusting engine speed allow for a short delay between movement of the needle valve and a change in engine speed e The fuel pick up tube inside each tank is positioned at the factory for control line flying For free flight flying remove the tank from the engine and reposition the fuel pick up tube to bottom of the tank NOTE Engine starting kits containing all the items required including fuel to operate COX engines are available sep arately 405 for the Basic Kit 885 for the Deluxe Kit with tool box GLOW HEADS2. The tiny coil of wire inside the glow head is the element When a starting battery is connected to the glow head the element begins to glow bright orange This element will continue to glow in a running engine from the heat of the burning fuel Due to the extreme environment in which the glow head element operates it is prone to burn out periodi cally and require replacement To replace a burned out glow head 2 COX engine wrenches included in the Starting Kit or sold separately are required Place one wrench on the upper cylinder where two flat edges have been machined Hold in place while using the other wrench to remove the glow head With the glow head removed test the glow head element by connecting the starter battery to it and see if the element glows bright orange CAUTION Element is Hot Do Not Touch If there is no glow visible replace the glow head ENGINE CARE Keep your engine clean After running wipe any exhausted fuel dirt or debris from the engine Check the glow head for tightness and the propeller for any damage If needed clean the engines with rubbing alcohol Store a cleaned engine lubricated with a light oil in a Zip Lock bag COURTESY LINE WARNING TOLL FREE USE OF THE FOLLOWING EQUIPMENT CAN DAMAGE TA 800 YOUR ENGINE AND WILL VOID YOUR WARRANTY IA 451 0339 ELECTRICAL STARTERS AT YOUR SERVICE FOR DIESEL CONVERSION KITS PERFORMANCE TIPS AND PARTS SHAVED OR EXTREMELY HIGH COMPRESSION
3. FUEL IS AN EYE IRRITANT Fuel only in a well ventilated outdoor area Keep face away from model when fueling FUEL IS POISON AND CAN CAUSE DEATH OR BLINDNESS NEVER DRINK IT If swallowed induce vomiting and call a physician immediately NEVER PLAY WITH FUEL USE IT ONLY FOR YOUR MODELS ENGINE FACTORY REPAIR SERVICE NEVER LEAVE CAP OFF FUEL BOTTLE WHEN NOT IN USE Minor repair examination or adjustment to all engines is available from the DISPOSE OF EMPTY BOTTLE IN ACCORDANCE WITH LOCAL REGULATIONS AND factory Pricing will vary according to time required to perform service Call LAWS COX Customer Service for an estimate Parts under warranty will be replaced NEVER STORE YOUR MODEL WITH THE STARTING BATTERY AND GLOW CLIP at no charge except Glow Heads ATTACHED TO THE GLOW HEAD ar R CUSTOMER SERVICE DEPARTMENT Your COX engine is fully warranted against factory defects for 90 For any questions or service regarding any COX product please contact our days from the date of purchase GLOW HEADS are NOT under war Customer Service Department at 1 800 451 0339 Customer Service hours are ranty since they require periodic replacement from 8 00AM to 4 30PM Mountain time Monday through Friday except holidays 2000 Centuri Corp 3 00
4. HARMFUL FLAMMABLE EYE IRRITANT MAY BE FATAL OR CAUSE BLINDNESS IF SWALLOWED Contains Methanol and Nitro Methane Cannot be made non poisonous Avoid contact with eyes Use only in a well ventilated area Keep away from heat and open flame Do not store in open or unlabeled container Do not throw empty bottle in fire FIRST AID In case of contact with eyes flush eyes thoroughly for 15 minutes with warm water If swallowed induce vomiting Call physician immediately KEEP FROM SMALL CHILDREN USE WITH ADULT SUPERVISION 1 NEVER USE GASOLINE Use only COX model fuel Gasoline can explode and burn causing injury to YOU AND OTHERS and will not work with your COX model 2 COX model fuel works only because it is FLAMMABLE it burns with an almost invisible flame It can burn you if not used with common sense be careful and follow these rules Q WIPE EXCESS FUEL FROM MODEL WITH CLOTH AFTER FUELING OR PRIMING Q KEEP FUEL AWAY FROM OPEN FLAME Q DO NOT OPERATE ENGINE INDOORS Q DO NOT SMOKE WHEN FUELING OR OPERATING MODEL Q NEVER USE COX FUEL BOTTLE TO STORE OTHER CHEMICALS OR FUELS Q DO NOT THROW EMPTY BOTTLE IN FIRE IF AN ACCIDENTAL FIRE DOES OCCUR Flame can be put out with a fire extinguisher or it can be smothered by covering with a heavy clean cloth Do not use a cloth with fuel on it If fire continues Get AWAY FUEL ONLY WITH SAFETY SPOUT IN BOTTLE Never use a syringe or other device Never remove safety spout from bottle
5. HEADS STARTING AND BREAK IN PROCEDURES ALL ENGINES Before flying with any of these engines a break in period is recommended Break in allows the internal parts of the engine to properly seat for optimum performance Break in can be done with the engine on or off the plane Break in is complete after 3 full tanks of fuel are used NOTE The Tee Dee 049 and Tee Dee 09 do not have a Snap Starter System Follow the starting procedures as outlined and rapidly hand flip the propeller counterclockwise using a starting stick to start SAFETY NOTE Always check that propeller is securely tightened to engine before each use 1 Attach the propeller to the engine and tighten the propeller screw securely 2 Securely mount the engine to your plane or an engine starting stand CAUTION Inspect the propeller for cracks nicks chips or dents before and after CAUTION Never hold the engine in each engine run Discard any propeller that has become damaged Do not use a your hand or in a vice while running propeller that has been altered in any way A damaged propeller can break apart during operation causing serious injury to you and others 3 Close the needle valve turn clockwise till it After closing open the needle valve turn counterclockwise 3 turns full stops DO NOT over tighten the needle valve turns Use the arrow point on the needle valve as a guide SMALL FORK TOP VIEW SLIDES IN HERE LARGE FORK LIES ON TO
6. ND FUEL SAFETY PROPELLER SAFETY 1 DO NOT ALTER MODIFY OR CUSTOMIZE YOUR PROPELLER DISCARD WORN OR DAMAGED PROPELLERS 2 Powered spinning propellers can inflict injury to you and others if handled carelessly A propeller which has been damaged with nicks chips or cracks or a propeller which has been altered in any way can break apart during operation of the engine and cause serious injury to you and others 3 KEEP YOUR FACE FINGERS CLOTHING AND ALL OTHER OBJECTS AWAY FROM SPINNING PROPELLER 4 INSPECT PROPELLER BEFORE EACH USE 5 USE ONLY PROPELLERS APPROVED FOR USE WITH YOUR ENGINE 6 DISCARD AND REPLACE NICKED CHIPPED CRACKED OR ALTERED PRO PELLERS 7 Each propeller sold by COX is carefully engineered and tested for maximum reliable performance for only the plane and engine for which it was designed If a propeller is altered or damaged in the slightest degree its aerodynamics and balance are jeopardized and you have created a serious risk of the propeller flying apart and Causing injury to you and others 8 PLAY IT SAFE replace propeller if you suspect any damage 9 Check and tighten the propeller before each run A loose propeller will cause loss of power and poor flight performance as well as possible injury to you 10 NEVER WIND THE SNAP STARTER MORE THAN ONE TURN AFTER IT ENGAGES 11 RELEASE THE PROPELLER AND PULL YOUR HAND BACK AWAY FROM THE PROPELLER QUICKLY TO AVOID INJURY Lo DANGER POISON VAPOR
7. P FIN OF 4 Fill the fuel tank Fuel will flow 5 Prime engine by squirting several drops of 6 Connect glow head clip to glow head Bottom from overflow near the needle valve fuel into the exhaust port clip should rest on top fin of the glow head with when the tank is full the top clip snapped around the glow head button l i See Top View Illustration NOTE The Tee Dee 049 Killer Bee 049 and Tee Dee 09 require fuel tanks Fuel tanks are sold separately at your local hobby shop 7 Hold on the model behind the Opas Using pr Ho HOOK At the same time slide the starting stick off the end and out of the way of the a starting stick included in the COX Starting Kit _ m propeller As the propeller is released the spring starter wili spin the propeller wind the propeller backwards Clockwise to Starter counterclockwise to start the engine Several attempts may be required before catch the starting spring hook onto the notch in Connection the engine starts the Snap Starter cam Continue to wind the pro peller clockwise complete turn NOTE If after a few attempts the engine attempts to start but does not open turn counterclockwise the needle valve 1 4 turn and reprime the engine Try starting again Repeat if necessary or refer to the engine troubleshooting section AN 8 When the engine starts be quick to begin With the engine at top speed open the needle Remove the glow head clip and let the engine r
8. ae cage Check amp reinstall lt Borner ou DIOW DOA E Replace glow head s HOW DEn ODE a A A Aner epee enn yUeonn Tighten glow head Engine Wasi iPM anaa aa a a Prime engine again eNO tel AE o E i Pn R Fill tank with fuel e Needle valve setting is wrong ME 000 00 in noo oee 00000 Close needle valve and reopen 3 full turns EN 4APrime engine and restart engine amp Plooded BUCS cues aa ose needle continue to flip the propeller until the engine starts Look for ien a e Sa oa e Engine not getting enough fuel It s running tlean i rclockwise needle valve 1 2 turn prime the engine x ae cos Fill fa Fuel tank enp o aecoraei a as C ENGINE STARTS RUNS A SHOR r A SPUTTE SO Look For What to de Too much fuel in engine Its running Tei acs cccssevecetscesatesccessctsecsesee Close turn c ic ckwise the needle valve 1 2 turn Do not prime the engine and restart D ENGINE DOES NOT RUN SMOOTHLY Look For What to do OTERO POUR SOL LCCC VANNE a ee ete cece eens cease raneion atta While the engine is running slowly rotate the needle clockwise to the right until the engine runs smoothly E ENGINE DOES NOT RUN SMOOTHLY AND BUBBLES APPEAR UNDER GLOW HEAD Look For What to do LOOSE On DOIE cg cence eran rene cosa sks a AA a Saa Tighten glow head start engine and reset needle valve PAIR Cle COT OSE or ois ninco vista ents cers AE et Replace gasket FIRE A
9. un slowly closing the needle valve turn clock valve turn counterclockwise approximately until the fuel tank runs dry Refuel restart and wise until the engine is running at top 1 2 turn until engine runs with a crackling repeat procedure until the engine has used 3 tanks speed At top speed the engine should pro or burbling sound of fuel duce a shrill whine 9 After break in restart the engine and Remove the glow head clip and let the engine run the fuel adjust the needle valve turn clockwise until out If the engine holds the top RPM without major changes the engine is running at top speed again to the needle valve it is ready for use in flight Use only Cox model fuel NEVER USE GASOLINE Gasoline can explode and burn causing serious injury to YOU AND OTHERS Cox model fuel works only because it is FLAMMABLE it burns with an almost invisible flame It can burn you if not used with common sense be careful and follow these rules e NEVER FUEL OR PRIME WITH BATTERY CONNECTED TO ENGINE e WIPE EXCESS FUEL FROM MODEL WITH CLOTH AFTER EACH FUELING OR PRIMING e DO NOT OPERATE ENGINE INDOORS e DO NOT SMOKE WHEN FUELING OR OPERATING ENGINE 1295 H STREET PENROSE CO 81240 TROUBLESHOOTING GUIDE A ENGINE WILL NOT START Look For What to do MOOT ANETY CONNECTION E stents rcpt tessa A A N AES Repair connections Weak OF eaa DEN E a EA S Replace batteries DIUeneS IN aed CONE UNE ea ca aero e
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