Duratrax 835B, Руководство пользователя

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BREAK-IN PROCEDURE
When starting, hold the throttle slightly open. If the engine is diffi cult to turn over, loosen glow plug 1/2-turn before starting engine (this allows When starting, hold the throttle slightly open. If the engine is diffi cult to turn over, loosen glow plug 1/2-turn before starting engine (this allows
some compression to escape while allowing the engine to start). Once engine starts, tighten the glow plug.
some compression to escape while allowing the engine to start). Once engine starts, tighten the glow plug.
IMPORTANT! FLOODED ENGINE: IMPORTANT! FLOODED ENGINE: If you are still having problems turning the engine over, it is fl ooded (too much fuel inside the engine). If you are still having problems turning the engine over, it is fl ooded (too much fuel inside the engine).
1. Remove glow plug and turn vehicle upside down, pointing away from you. 1. Remove glow plug and turn vehicle upside down, pointing away from you.
2. Pull the recoil 5 times (clearing engine of fuel).
2. Pull the recoil 5 times (clearing engine of fuel).
3. Replace glow plug.
3. Replace glow plug.
4. Repeat starting engine steps.
4. Repeat starting engine steps.
Engine break in will be accomplished with the fi rst 5 tanks of fuel. Engine break in will be accomplished with the fi rst 5 tanks of fuel.
1. During break-in, run with the body off to keep the engine cool. 1. During break-in, run with the body off to keep the engine cool.
2. Keep air fi lter on at all times.
2. Keep air fi lter on at all times.
3. Run on smooth, hard surface.
3. Run on smooth, hard surface.
4. Make sure you have extra glow plugs. Break-in puts stress on the glow plug and it may
4. Make sure you have extra glow plugs. Break-in puts stress on the glow plug and it may
need to be replaced. need to be replaced.
TANK 1 TANK 1
Run very rich allowing fuel to carry as much oil as possible to lubricate internal engine parts. Run very rich allowing fuel to carry as much oil as possible to lubricate internal engine parts.
1. High Speed Needle Valve: Check this setting before running. Close the high speed
1. High Speed Needle Valve: Check this setting before running. Close the high speed
needle by rotating it clockwise until you just feel resistance, then open to 4 full turns out
needle by rotating it clockwise until you just feel resistance, then open to 4 full turns out
(counterclockwise).
(counterclockwise).
2. Run at medium speeds, slowly accelerating and decelerating. 2. Run at medium speeds, slowly accelerating and decelerating.
3. If engine does not stay running consistently, increase idle speed by turning the idle stop screw clockwise.
3. If engine does not stay running consistently, increase idle speed by turning the idle stop screw clockwise.
4. DO NOT allow the tank to run out of fuel during break-in.
4. DO NOT allow the tank to run out of fuel during break-in.
5. Stop engine and allow it to cool approximately 10 – 15 minutes.
5. Stop engine and allow it to cool approximately 10 – 15 minutes.
TANKS 2-4 TANKS 2-4
1. For each additional tank, lean high speed needle 1/12 turn from the previous tank’s setting. 1. For each additional tank, lean high speed needle 1/12 turn from the previous tank’s setting.
2.
2. Stop engine, allowing it to cool approximately 10 – 15 minutes, between each tank. Stop engine, allowing it to cool approximately 10 – 15 minutes, between each tank.
TANK 5 TANK 5
1. Lean high speed needle an additional 1/12 turn from Tank 4 setting. 1. Lean high speed needle an additional 1/12 turn from Tank 4 setting.
2. The engine should now be very close to fi nal tune and be broken in and ready to be performance tuned.
2. The engine should now be very close to fi nal tune and be broken in and ready to be performance tuned.
TUNING TIPS (Adjust only after the engine is fully broken in.) TUNING TIPS (Adjust only after the engine is fully broken in.)
IMPORTANT! IMPORTANT! Always run the engine for 1-2 minutes to warm up temperature before tuning! Only use “small” adjustments (1/12 turn at a time) and Always run the engine for 1-2 minutes to warm up temperature before tuning! Only use “small” adjustments (1/12 turn at a time) and
test the results. test the results.
High Speed Needle: High Speed Needle: Controls the fuel/air mixture at high throttle settings. A properly tuned engine will accelerate smoothly and exhaust a Controls the fuel/air mixture at high throttle settings. A properly tuned engine will accelerate smoothly and exhaust a
small amount of smoke. The goal is to tune the engine to make good power without overheating. Engine temperature should stay around 250° small amount of smoke. The goal is to tune the engine to make good power without overheating. Engine temperature should stay around 250°
F (132° C) using a temperature gauge (Duratrax Flashpoint
F (132° C) using a temperature gauge (Duratrax Flashpoint
™
, DTXP3100). , DTXP3100). Note: Note: This temperature is a “guideline” only. Your engine may run This temperature is a “guideline” only. Your engine may run
slightly warmer or cooler depending on conditions: fuel, track, and how you drive. slightly warmer or cooler depending on conditions: fuel, track, and how you drive.
Low Speed Needle: Low Speed Needle: Controls fuel mixture at low throttle settings (idle). To check this setting, keep the throttle at idle and pinch the fuel line Controls fuel mixture at low throttle settings (idle). To check this setting, keep the throttle at idle and pinch the fuel line
close to the carburetor. A correct setting will increase the engine speed after 2-3 seconds and then lose speed. close to the carburetor. A correct setting will increase the engine speed after 2-3 seconds and then lose speed.
• If it slows too quickly, the mixture is too lean. Open the low speed needle (counterclockwise). • If it slows too quickly, the mixture is too lean. Open the low speed needle (counterclockwise).
• If it takes longer than 4 seconds to slow down, the mixture is too rich. Close the low speed needle (clockwise).
• If it takes longer than 4 seconds to slow down, the mixture is too rich. Close the low speed needle (clockwise).
Idle Stop Screw: Idle Stop Screw: Adjust this screw to set the idle speed so the wheels do not rotate when you lift the vehicle off of the ground. When looking Adjust this screw to set the idle speed so the wheels do not rotate when you lift the vehicle off of the ground. When looking
into the carburetor, the barrel should be about 1mm from fully closed. into the carburetor, the barrel should be about 1mm from fully closed.
CARE AND MAINTENANCE CARE AND MAINTENANCE
1. Keep engine clean and free of dirt. 1. Keep engine clean and free of dirt.
2. Do not over lean engine.
2. Do not over lean engine.
3. Run all of the fuel out of the engine before storing.
3. Run all of the fuel out of the engine before storing.
4.
4. Use after run oil and work it into the engine by turning the fl ywheel before storing Use after run oil and work it into the engine by turning the fl ywheel before storing.
5. Do not use a fuel with a nitromethane content over 30%. 5. Do not use a fuel with a nitromethane content over 30%.
~1mm
HIGH SPEED
NEEDLE
IDLE STOP
SCREW
LOW SPEED
NEEDLE
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