USER MANUAL Tractor semitrailers PTL
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9.
Keep distance.
10.
If it is necessary to reverse, make sure that visibility is sufficient visibility (another person can assist).
11.
Before entering a turn, assess your inertia.
12.
When standing, the tractor and semi-trailer must be with activated hand-brakes.
13.
Fix any problems only after shutting down the tractor engine and pulling out the ignition key.
14.
When disembarking from the tractor, shut down the engine and pull out the ignition key. Activate the
hand-brake.
15.
Before disconnecting the tractor semi-trailer from the tractor, activate the hand-brake of the semi-
trailer.
16.
Make sure that the following warning notices are attached:
–
At the front of the semi-trailer: “Boarding the moving semi-trailer is strictly prohibited”;
–
At the side of the semi-trailer: “Do not work under the lifted body if not supported by the
mechanical support”.
17.
When loading or unloading the semi-trailer, suspend ropes only at points marked with special signs.
2.3.2.
Wheels
1.
Constantly check the tyre pressure! Maintain pressure according to the manual (Table 2). When in
inflating a tyre, do not stand in front of the tyre. In case of excessive pressure, the tyre may explode
and cause injuries!
2.
Regularly check the condition of the tyre. Use only original tyres.
3.
Regularly check the tightening of the wheels.
4.
Perform the tightening of the wheels in a certain sequence.
5.
Replace wheels and adjust hub bearings and brakes only after installing protective supports under the
sway-beam and the axle and inserting protective wedges (blocks) under the wheels of the opposite
side.
6.
Install jacks on a firm base under the balance level or axle only at points marked with special signs.
2.3.3.
Hydraulic and pneumatic systems
1.
The hydraulic and pneumatic systems are under high pressure. In the hydraulic system, the maximum
permissible pressure is 20 MPa; in the pneumatic two-circuit system, the maximum permissible
pressure is 0.8 MPa.
2.
When connecting the hydraulic and pneumatic systems, the machine manufacturer's
recommendations must be observed.
3.
When connecting the hydraulic and pneumatic systems to respective tractor systems, it must be
ensured that the couplings from the semi-trailer and tractor sides are not under pressure.
4.
Regularly monitor the hydraulic connections and replace any damaged or worn-out parts. The
replacement of the hoses must comply with the manufacturer's requirements. Replace the hydraulic
hoses every 5 years even if they were not damaged until that time.
5.
No dripping in the hydraulic system is allowed. When fixing any problems, release pressure and shut
down the tractor engine.
2.3.4.
Periodical servicing
1.
When performing any maintenance work at the tractor semi-trailer, use appropriate tools and wear
protective clothes.
2.
Perform any cleaning, servicing or repair works only after shutting down the tractor engine.
3.
When working under the lifted body, support it with the mechanical support. The body must be empty.
4.
Regularly check bolt connections and tighten them if necessary.
5.
Regularly check pivot connections for their wear and for the reliability of the pinning of the axles.
6.
Replace any worn-out parts or assemblies with new ones complying with the manufacturer's
requirements set for them.
7.
Deliver any parts that are not suitable for use to the appropriate points in accordance with
environmental requirements.
8.
When performing any welding work when the semi-trailer is attached to the tractor semi-trailer,
disconnect wires from the accumulator battery.
9.
The semi-trailer must be kept under a roof so that not to cause any hazard to humans and animals.
