I. Semi trailer use and operation manual

1. How does a trailer tractor connected to semitrailer

 1.1 The semitrailer hauling highly and the hauling sells the size, the first radius of gyration, the gap radius must match with the trailer tractor , before the connection, be supposed to carry on the inspection, avoid the following situation:  

  ◼️ The kingpinspecification is inconsistent with the hauling saddle place.

  ◼️ The semitrailer hauling highly and the trailer tractor hauling saddle place does not match highly, the  semitrailer and the trailer tractor connection pillion place forward or the incline backward surpasses the normal permission scope.

  ◼️ Before semitrailer's, radius of gyration and the gap radius and the trailer tractor do not match, when curve the semitrailer and the trailer tractor part collides.

 1.2 Does the careful inspection trailer tractor saddle sit the working surface and semitrailer's hauling sells, whether there is tows on the slide the sandy soil, the dust or other foreign matter, whether to have the enough lubricating grease.

 1.3 The kingpin connect the saddle place and the kingpin.

   Before connection, carefully check whether there is enough grease on the tractor saddle plate, and whether there are other foreign bodies on the traction pin and traction slide plate of the semi-trailer to ensure the cleanliness of the traction slide plate.

20ft skeletal semi trailer

    ◼️ Adjust the supporting leg, so that the semi-trailer traction skateboard is fit to the traction saddle height. Generally, the semi-trailer traction skateboard is 1-3 cm lower than the center position of the upper plane of the tractor traction saddle, and be careful not to be too high. Otherwise, not only can not be connected, but also damage the traction seat, traction pin and related parts.

    ◼️ Operate the locking mechanism of the traction seat to make the locking block open and become free.

    ◼️ When the tractor is backward, the center line of the tractor and the semi-trailer should be consistent, and the deviation of the center line of the two vehicles should be limited to less than 40 mm. After the tractor's saddle port aligning with the traction pin, reverse slowly until the "click" sound is heard. When the lock block is returned, the tractor and semi-trailer are successfully pulled.

    ◼️ When two middle line included angle full load is smaller than either is equal to 5 degrees, when the idling the hour or is equal to 7 degrees.

    ◼️ Check whether the lock block of the traction seat locks the traction pin and whether the lock is secure.

    ◼️ Move the tractor forward a little to check whether the connection is good.

2 axles drop side semi trailer

 1.4 Air course connection

    ◼️ Connect the two pipe joints of tractor (commonly known as handshakes) to the two pipe joints of trailer respectively. At this time, the gas supply line of the tractor is connected with the gas supply line of the semi-trailer, and the control line of the tractor is connected with the control line of the semi-trailer (pay attention to the color of the joint: the same color installation, do not install the opposite).

     ◼️ After the air joints are connected to each other, it is necessary to unscrew the semi-trailer gas connection separation switch on the tractor to make it in the ventilated state. Otherwise, air can not be supplied to the semi-trailer brake system, and the brake system can not work.

     ◼️ Start the engine, observe the barometer in the cab, and raise the pressure in the tractors and semi-trailers' air tanks to the specified pressure.

     ◼️ Check whether there is air leakage in the air path and whether the brake system works normally.

 

fuel tanker semi trailer

 1.5 Electric circuit's connection

     ◼️ Insert the cable connection plug of the tractor into the seven-hole socket at the front of the semi-trailer until the clamping position is on the seven-hole pin clamping block.

     ◼️ Check whether the electrodes are well connected and whether the side lights, tail lights and other lights work normally.

 

2. Guaranteed that vehicles' must pay attention to the item which in travel safe surface or adopt to be as follows:

    2.1 When fastens tightly the swing pin reliably, the delivery concentrated load, should guarantee the cargo reliably fixed.

    2.2 When curve should reduce the vehicle speed by against to overturn a vehicle.

    2.3 And the level road surface should not reduce the vehicle speed in the railroad street intersection, reduces the container and trailer's impact.

    2.4 Should judge the container quality correctly, do not the overload use.

    2.5 When regarding plate semitrailer delivery concentrated load, the load do not concentrate in the shipment platform center first 2.5 meters scopes, should assign in proportion in the office level two rounds and above the car axle, or lays aside above the car axle.

    2.6 When regarding plate semitrailer delivery concentrated load, the load center of gravity should the daytime approach the vehicles longitudinal plane of symmetry, avoids carrying.

42000CBM fuel tank semi trailer

II. Vehicles maintenance routine plan

1. Before every week or each time transports the routine inspection (to carry on by user), before every week perhaps each time transports, (take occurs first as standard), must carry out the following inspection:

    1.1 The inspection tire pressure, adjusts the tire manufacturer the suggestion level.

    1.2 Inspection tire screw's loose and tight degree.

    1.3 Whether there does the inspection manufacture and transport system leak air, tests whether applies the brake.

    1.4 Inspects is hanging the nut and bolt's loose and tight.

    1.5 Inspects the trailer tractor and the semitrailer brake connection.

    1.6 For air drum and air spring suspension air chamber draining water.

    1.7 Check all lights.

    1.8 Inspects and guaranteed that the leg work is normal.

    1.9 The inspection moves part's attrition situation.

drop side wall semi trailer

2. Each month's inspection (carries on by user)

    2.1 Inspect the hanging part's loose and tight.

    2.2 Inspect break spring and replaces.

    2.3 Inspect all braking system's attachment, whether there is the hose to damage, hose clamp whether there is flaw.

    2.4 Inspect the pilot valve and the other valve's right operation.

    2.5 Inspectpulling force bushing attrition.

    2.6 Whether there is inspects the brake drum crack or the unusual attrition.

    2.7 Inspect car axle's lubricating oil to be able to divulge.

    2.8 Inspectall firm firmwares.

    2.9 The inspection hauling sells unusual attrition.

    2.10 The inspection gets on the brakes whether normally.。

    2.11 For a leg and the braking vane, the hauling sells the lubrication。

    2.12 The mild lubrication brake cam shaft, relaxes the regulator.

skeleton container semi trailer

3．Every year a time maintenance, from the vehicles start uses 6 months later, every other 12 months carry on an overall check, safeguard the vehicles uncle operational performance (including 6th month time maintenance).

 The inspection scope the provision which inspects with the above each month is the same, adds separately the following provision.

   3.1 Dismantles the brake drum, whether there is inspects the brake shoe thoroughly extra or the non-right attrition.

   3.2 The inspection brake shoe returns to the position spring, applies the brake the bushing, the cam shaft tube, whether there is the brake shoe drum and so on to damage.

   3.3 Inspection car axle connection part.

   3.4 Thorough inspection vehicles structure, if has the question to report immediately.

   3.5 The replacement which approves with the Jupiter replace all attrition or the damage.

gooseneck low bed semi trailer

III. Inspection maintenance main point

In order to cause the above each inspection project the inspection work to carry on smoothly, proposed that a row each stipulation and the method senate operate must carry out earnestly：

Time inspection matters needing attention：

1. Carries on daily by the spatial vehicle conditio

2. When must lift the wheel should simultaneously lift the car axle, the hoisting jack should place approaches the spring place.

3. The spot which contacts with the hoisting jack should fill up the steel plate either the thick plank oversized or slips by against partial stress.

IV. Lubrication

For the safe driving and the extent semitrailer service life, must to each oil site supplement lubricant, supplement regularly when fat should pay attention to the following item：

1. The oil appliance and the oil injection lubricate cap must clean first.

2. When the lubricate cap cannot pour into the lubricant, should inspect the reason, if damages should replace.

bulker cement semi trailer

V. Breakdown reason and elimination method

1.Compressed air or pneumatic brake system

Fault	Cause	Elimination method
Applies the brake bad	Hoof-friction brake friction over	Gap adjustment Replacement of brake shoes friction
	Gas leak brake system so that the pressure drop	Parts of leakage inspection, repair or replacement parts
	Following the emergency valve work bad move	Replace
Can not be lifted brake, brake lifting very slow	Following the emergency valve has been dynamic emergency braking effect	Gas will increase pressure on the brake system provides value to
	Brakes back in spring break	The replacement of spring
	Plug the pipeline	Inspection and clearance
	Brake chamber putt curved	Repair or replacement parts
	Brake chamber putt trip wrong	Re-adjustment

 

2.Suspension

Fault	Cause	Elimination method
noise	Plate spring break	The replacement of leaf springs
	U-bolt nut loose	According to tighten requirements

3.Axles

Fault	Cause	Elimination method
Fault	Cause	Elimination method
Tire Swing	Loose wheel nut	Tightening
	Axle bearings sintering	The replacement of axle
	Axle bending	Replacement
Wheel of overheating	Brake shoes back-bad	Adjust and repair
	Axle bearings sintering	Tightening the correct bearing lock nuts
		replacement of bearings Lubricants on time
		Replacement axle bearings
Tire wear	Tire pressure too high or too low	In accordance with the regulations for tire pressure
Tire wear biased	Overload or partial set	The required regulatory laden
handle shaking too much resistance	Lubrication adverse	Add lubrication
	Bearing sintering	Replacement
	Gear eccentric or wear	Check replacement
	Screw thread damage	Replacement screw

 

4.Electrical System

Fault	Cause	Elimination method
Lights not bright	Light out of work	The replacement of light bulbs
	loose plug socket, damage	Repair or replace