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4WD MonsterTruck Destroyer XXL 1:8 No. 3 58 10
e) Checking the range of the remote control transmitter
In order not to lose control over you model, you should, before each first start or after a crash, check the function and the range of the
RC system. For the range test, it is sufficient to test the function of the steering servo.
Support the model at the front axle in a way that allows the wheels to hang freely.
Because of the good adhesion of the tires and because of the weight of the vehicle, in the stand and on the ground, the wheels will not follow your steering
spontaneously and directly. This however changes during operation.
Pull out the antenna of the transmitter completely and switch the transmitter on then the receiver.
Stride away from the model, approx. 50 m (engine does not run).
Place the right lever of the remote control and the corresponding trim lever in neutral position
Move the steering wheel (channel 1) towards the right. Now the wheels must drive in towards the right!
Move the steering wheel towards the left. Now the wheels must drive in towards the left!
Release the lever of the remote control, the wheels must turn back into the straight drive position.
Never drive the model with a remote control that is not functioning properly!
In the best case, “only” the model will suffer damages.
If the remote control does not function perfectly, check the charge state of the transmitter first, and the rechargeable batteries of the receiver, then make sure
that no other person is operating a vehicle on your frequency.
If the problem still persists, consult the trouble shooting table.
f) Function control of the servos
Steering servo
The steering servos are connected with channel 1 of the remote control transmitter to the steering wheel.
Structure of steering
The Destroyer XXL steering system is a Stub Axle Steering system.
The right and left tie rods are attached to the steering arms, these are connected to
one another by the steering plate.
The two steering servos actuate against the right and left servo-savers via the stee-
ring rods. A servo saver consists of two levers aligned at a right angle to each other,
which can be moved against each other on the same plane with the servo control
lever against a spring. The second servo saver lever arm is then connected to the
steering plate. As the two steering servos rotate in the same direction, the steering
plate is turned to the same degree to the left and right and causes the wheels to
turn.
If a blow to the wheels moves the tie rod and thus the steering rods and the servo
saver, the elastic connection to the first lever arm of the servo saver prevents this
blow from being directly transferred to the servo and damaging it.
The servo saver reaction can be adjusted with knurled nuts effecting a change in the
contact pressure of both lever arms.
The turning angle to the right and left is limited by a mechanical stop of the steering
arm against the axle stub support.
Function control:
Support the model at the front in a way that allows the wheels to hang freely.
Because of the good adhesion of the tires and because of the weight of the vehicle, in the stand and on the ground, the wheels will not follow your
steering spontaneously and directly.
This however changes during operation.
First,
switch on the transmitter, then the receiver.
Move the steering wheel (channel 1) towards the right and the left.
Now the wheels must drive in towards the right and the left!
If the wheels turn in opposite direction, change the Servo Reverse on the remote control to position “REV” (Reverse).
Release the steering wheel; now the wheels must turn in straight line again.
If the wheels do not stand straight when the steering wheel of the remote control is in neutral position, correct the position by adjusting the trim on
channel 1.
The steering wheel limit stops must limit the right / left limit stops of the steering!
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