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4WD MonsterTruck Destroyer XXL 1:8 No. 3 58 10
7. Maintenance / Disposal
At certain intervals, maintenance work and function controls that ensure trouble-free operation and roadworthiness for a long time, must
be carried out.
Engine vibrations and shocks during drive operation can loosen parts and screw connections.
Therefore, check before each use:
The tight position of wheel nuts and of all screw fittings;
when replacing screws, secure the latter with screw-lock-laquer
the secure position of the servo control lever on the servo shaft
the position and the state of fuel hoses and air filter
the laying of cables
Also check the charging state of the rechargeable batteries of the transmitter and the receiver
Cleaning
After driving, clean the entire vehicle of dust and dirt, use compressed air and / or a special spray detergent.
Pay particular attention to the bearings. Occasionally, remove the wheels and clean the ball bearing from dust and deposits.
After cleaning, the movable parts must be re-lubricated.
After having lubricated the bearings remove any leaking oil and grease, since this is where dust can settle particularly well.
Clean the cooling fins of the cooling head regularly with a toothbrush, in order to ensure an optimal heat dissipation.
Braking
Brake linings and brake disks wear off with time. Thus, the braking effect decreases as the maximal brake pressure was set according to the thickness of
new linings/brake disks.
If you observe that the braking effect is fading
Check the thickness of the
brake
disks
and
correct, if necessary, the position of the adjusting rings at the brake linkages
Lubrication
All moveable and bedded parts must be lubricated with a low viscosity machine oil or spray grease
after cleaning and after each use.
Fuel system, engine
Impurities must not get into the tank or in the carburettor and / or certainly not in the engine
Such impurities can cause misfiring under load or a bad idle speed setting
In the worst case a foreign body between cylinder lining and piston can result in a stuck piston or a piston seizure.
For safety purposes, mount a fuel filter between tank and carburettor, in order to filter existing suspended particles out of the fuel.
Use fuel for RC cars only!
Always use fresh fuel and keep the tank lid firmly shut.
With time, model fuel absorbs humidity from the air. This humidity lowers the performance of the fuel and causes the engine to run incorrectly as well as
corrosion in the engine.
Empty the tank if you do not use the model for several days.
The volatile components of the fuel nitromethane and methanol evaporate leaving oil behind; the latter sets down, enriches the mix and can clog lines.
When ending drive operation for the day, unscrew the glow plug and put some drops of engine oil
“After Run” (low viscosity machine oil) in the cylinder.
Insert the glow plug again and turn the model a few times over and swing it, so that the oil can be evenly distributed in the combustion room. This prevents
corrosion.
In case of longer drive pauses, e.g. “to overwinter”, put – 3 drops of anticorrosion oil (accessories) in the cylinder
Fix fuel hoses on the connector nipples with thin cable binders or special hose binders (accessories).
Otherwise the oil in the fuel can cause slipping.
Air filter
The air filter prevents dirt from penetrating into the engine via the intake air. Foreign bodies which penetrate via the
intake air between cylinder lining and piston can cause the piston to get stuck or piston seizure, which would then damage the engine and cause consequen-
tial damage in the drive section.
Clean the air filter with paraffin or low viscosity machine oil (air filter oil, accessories).
If you want to clean the air filter with a detergent and water, then rinse it thoroughly afterwards.
Soap residues could get into the engine and damage the lubricating film.
Oil the air filter afterwards with air filter oil.
Never drive without air filter!
Fasten the air filter with a thin cable binder.
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