background image

SLAYER PRO 4X4 • 5

TOOLS, SUPPLIES, AND REQUIRED EQUIPMENT

Your Slayer Pro 4x4 comes with a set of specialty metric tools. You’ll need to purchase other items, available from your hobby dealer, 
to operate and maintain your model.

Recommended Equipment

These items are not required 
for the operation of your 
model, but are a good idea to 
include in any R/C toolbox:
• Safety glasses
• Thin, hobby-quality 

cyanoacrylate instant tire 
glue (CA glue)

• Hobby knife
• Side cutters and/or needle 

nose pliers

• Philips screwdriver 
• Soldering iron 

 

For more information on radio 
system batteries, see 

Use the 

Right Batteries

 on page 10.

SUPPLIED TOOLS AND EQUIPMENT

REQUIRED TOOLS AND EQUIPMENT 

(sold separately)

Glow plug 

wrench

Extra 

glow plug

1.5mm “L” wrench

2.0mm “T” wrench

2.5mm “T” wrench

Shock 

wrench

Suspension 

multi-tool

4-way wrench

Suspension tuning 

shims and hollow balls

2.5mm “L” wrench

Extra oiled air filter set  

(pre-filter and primary filter)

Air filter oil

Traxxas part #5263

8 AA alkaline batteries

Traxxas Top Fuel

see page 18

Small flat-blade screwdriver 

for tuning (1/8 inch blade)

After-run oil to protect 

the engine from corrosion

Fuel dispensing bottle

10%  quart  -  #5010 
20%  quart  -  #5020
33%  quart  -  #5030
10% gallon - #5060 
20% gallon - #5070
33% gallon - #5080

Antenna nut 

wrench

NiMH 7.2V 

battery pack*

NiMH 7.2V 

battery charger*

*Battery and charger style are subject to change and may vary from images.

8mm/4mm wrench

Summary of Contents for Slayer Pro 4x4 59074

Page 1: ...owner s manual MODEL 59074...

Page 2: ...design of the TRX 3 3 Racing Engine has a special break in procedure that has been developed and proven to produce the best performing engine possible Using traditional or old fashioned procedures cou...

Page 3: ...h your question at support Traxxas com Join thousands of registered members in our online community at Traxxas com Traxxas offers a full service on site repair facility to handle any of your Traxxas s...

Page 4: ...xposure to the engine exhaust can be harmful Avoid breathing the engine exhaust Always run your Slayer outdoors in a well ventilated area Never run the engine indoors Do not operate your Slayer at nig...

Page 5: ...ies on page 10 Supplied Tools and Equipment Required Tools and Equipment sold separately Glow plug wrench Extra glow plug 1 5mm L wrench 2 0mm T wrench 2 5mm T wrench Shock wrench Suspension multi too...

Page 6: ...e Fuel Line EZ Start Motor Bulkhead under chassis Body Mount Post Chassis Driveshaft Half Shaft On Off Switch Throttle Linkage to Throttle Brake Servo below filter Antenna Mount Access Plug for two sp...

Page 7: ...rocedure for your TRX 3 3 5 Decal and Install the body See page 12 14 Break in your engine See page 23 You will need to use the body during break in so it s best to apply any additional decals before...

Page 8: ...tion that the servos seek when the transmitter controls are at the neutral setting NiCad Abbreviation for nickel cadmium The original rechargeable hobby pack NiCad batteries have very high current han...

Page 9: ...nd channel two operates the throttle The receiver inside the model has three output channels Your model is equipped with two servos and a receiver Slayer Pro 4x4 Wiring Diagram Antenna On Off Switch R...

Page 10: ...rol of your model it is important to stop at the first sign of weak receiver batteries to avoid losing control Visible warning signals include sluggish steering response and shortened radio range Inst...

Page 11: ...ur transmitter was not programmed properly at the factory Do not reverse the throttle or steering channels unless necessary Steering reversing procedure 1 Press and hold the SET button on the transmit...

Page 12: ...ntil you reach the farthest distance you plan to operate the model 4 Operate the controls on the transmitter once again to be sure that the model responds correctly 5 Do not attempt to operate the mod...

Page 13: ...wire against the chassis Do not bend or kink the antenna wire Do not shorten the antenna tube See the side bar for more information Fail Safe Your Traxxas radio system is equipped with a built in fail...

Page 14: ...of premature engine wear and failure is lack of care and maintenance BREAK IN The TRX 3 3 Racing Engine is manufactured to exacting tolerances and requires a specially designed break in procedure to a...

Page 15: ...Carburetor Air Intake Fuel Intake High Speed Needle Idle Speed Screw Clutch Bell Crankcase Two Stage Air Filter Glow Plug EZ Start Plug Positive Wire Negative Wire Fuel Line Fuel Tank Tuned Pipe Heade...

Page 16: ...e s body that contains all of the running mechanical components Crankshaft The main shaft of the engine that holds the reciprocating assembly Cooling fins The cooling fins are milled into the cylinder...

Page 17: ...s the first level of air filtration for the engine The majority of dirt and debris will be stopped by this filter Clean re oil and replace this filter after every hour of run time Always use both the...

Page 18: ...other factors determine how much nitro can be efficiently used in the engine The TRX 3 3 Racing Engine responds exceptionally well to a maximum of 33 nitro returning cooler temps more power and a smoo...

Page 19: ...t Do not pull straight up 2 Remove the pre filter element 3 Clean the pre filter element by thoroughly washing the foam element in hot soapy water dishwashing detergent works well Repeat twice 4 Thoro...

Page 20: ...vailable air atomization THE FUEL MIXTURE NEEDLES The amount of fuel metered and atomized by the carburetor is controlled by the two mixture needles the high speed needle and the low speed needle The...

Page 21: ...unit and an on board motorized starter Power for the EZ Start system comes from a 7 2 volt rechargeable battery pack installed in the hand held control unit The engine glow plug is heated automaticall...

Page 22: ...charged may not deliver enough power to crank the engine over at the appropriate rpm to keep the piston from sticking at top dead center TDC A new engine will typically have a tight fit between the pi...

Page 23: ...r after break in Follow the instructions exactly for each of the first 5 tanks of fuel Starting Your TRX 3 3 Racing Engine for the First Time Before you start your TRX 3 3 Racing Engine for the first...

Page 24: ...3 When the fuel tank is nearly empty shut off the engine and refuel From here on you do not need to let the engine cool between tanks Tank 4 1 Driving procedure Gently pull the throttle trigger to fu...

Page 25: ...ds then it is likely that it is over 220 F and needs to cool down If the water takes a long time or does not evaporate at all then the engine is too cool We do not recommend that you operate your engi...

Page 26: ...counterclockwise and retest This setting will extend engine component life Low Speed Fuel Mixture Adjustment The low speed mixture is always set after the high speed needle is correctly adjusted The l...

Page 27: ...nfluence on engine temperature is air temperature Expect the engine temperature to vary almost in direct proportion to air temperature Assuming you tuned the engine for the same maximum performance ea...

Page 28: ...hing with your Slayer Pro 4x4 The engine is cooled by airflow created by speed Towing creates a high load on the engine and at the same time limits cooling of the engine due to low vehicle speed If yo...

Page 29: ...x4 is lightened significantly for racing applications softer springs will be necessary to allow the suspension to sag properly Heavier configurations will require stiffer springs The suspension sag an...

Page 30: ...Empty the used shock oil from the shock body 4 Fill the shock with new silicone shock oil up to the top of the shock body 5 Slowly move the piston up and down always keeping it submerged in oil to rel...

Page 31: ...1 Limiting the engine s torque output to the wheels to prevent wheelspin on low traction surfaces and help to prevent damage to the gears in the transmission during on throttle landings 2 Protecting t...

Page 32: ...lap after each adjustment On a small race track with many tight turns try setting the shift point later so that the truck only shifts into second gear on the main straightaway This will prevent an un...

Page 33: ...oulder bolts that are used to secure the brake pads to the transmission housing may need to be adjusted periodically as the brake material wears down They should be tightened so a 0 50mm 020 gap exist...

Page 34: ...ld be replaced when the piston and sleeve are replaced Also replace the piston wrist pin and G clip whenever the connecting rod is replaced As with other internal engine components connecting rod life...

Page 35: ...reinstall the glow plug and gasket 6 Reconnect the blue glow plug wire to the glow plug 7 Reconnect the EZ Start controller 8 Do not prime the engine Pull the throttle to 1 2 throttle and push the EZ...

Page 36: ...ration Refer to the chart on page 37 for proper settings Stock the Slayer Pro 4x4 is setup to increase rear toe in during acceleration Note that rear toe out is not used Rockers Progressive Rate Suspe...

Page 37: ...d look up your suspension combination caster angle and roll center position to find the correct position for the front outer toe links The same is required for the rear control links Adjustment is ach...

Page 38: ...unloaded wheels on the inside of the turn have the least traction and tend to spin up to extremely high rpms Higher viscosity thicker oil causes the differential to act like a limited slip differenti...

Page 39: ...spension multi tool B 7 Slide the bump stop onto the shaft 8 Grip the shaft close to the threads with needle nose pliers or side cutters and thread the rod end onto the shock shaft until the rod end b...

Page 40: ...121204 KC1754 R01 1100 Klein Road Plano Texas 75074 1 888 TRAXXAS MODEL 59074 owner s manual...

Reviews: