2017年5月31日星期三

Common Starting Issues in Trucking Applications---Part 2


Slow Cranking: For the starter to be cranking, the control circuit would have to be working. So, if battery and cable checks are within specification and the vehicle still cranks slowly, then it’s a slow cranking problem and it’s time to replace the starter.

Click No-Crank: Check the control circuit. If the starter does not contain an Integrated Magnetic Switch, or IMS, then a voltage drop test will need to be performed on the vehicle control circuit. If the starter does have an IMS switch function, then the technician will have to verify that the vehicle’s control circuit is providing voltage to the starter IMS.

No-Click No-Crank: When this occurs, power is not being sent to the solenoid, making it very unlikely that the issue is related to the starter motor. A diagnostic tool can help you diagnose the complete starting and charging system, including the alternator, batteries, starter motor and wiring. The diagnostic tool can perform a full system check in about 25 minutes, making it a great investment for your workshop. So in a poor starting environment, or when a starter motor has failed, what could be wrong?



Batteries – By now you should have tested your batteries and replaced any that were faulty. Don’t be tempted by the false-economy of leaving one poor quality battery in a bank of four. And you should look at your battery cabling, as this can often be less than optimum from new. In the diagram below, the top illustration shows the original battery cable layout, which results in the two inner batteries working hard and the outermost two never receiving optimum charge. In the diagram below (Pic 1) shows an easy solution to balance the workload of the battery banks.



Tips from:http://www.dieselnews.com.au

2017年5月24日星期三

U.S.-bound shipments impress in April

Data recently issued by global trade data showed annual and sequential gains for United States-bound waterborne shipments in April.

April shipments at 950,408 saw a 9.7% gain on an annual basis, which represents the fastest rate of growth going back to February 2016, and comes on the heels of a 8.7% annual gain in April that led to a 17.3% annual increase in the U.S. trade deficit.

The various factors for April’s strong performance, including:
-China and European shipments rising 16.4% and 16.1%, respectively;
-Chinese customs data reporting a 12% increase in the dollar value of goods shipped in April, with some arriving in May;
-shipment gains from Europe mark a return to double-digit growth and its fastest rate of expansion since August 2016; and
-imports from South Korea, where the U.S. is threatening to renegotiate the KORUS (U.S. - Korea Free Trade Agreement) saw its second straight month of declines, down 10.6%;


“Fundamentally, the economy was looking pretty strong in April,” said Research Director Chris Rogers. Is it because retailers are convinced they are going to have a really strong spring? That may be the case in the furniture industry. There is also a degree of suppliers wanting to build up their inventories in case President Trump starts implementing [stricter] trade policies with increased tariffs and all the different trade reviews the White House has going at the moment.”
















News from: http://www.mmh.com

2017年5月9日星期二

New Item QDJ2601

24V 6.0KW 10T DA40

OEM:428000-7140 CUMMINS:4995641
CATERPILLARE320D
For more info:http://www.gzonechina.com/c/starter_0006

2017年5月8日星期一

Common Starting Issues in Trucking Applications---Part 1

Cranking problems can be frustrating, identifying and correcting the root cause does not have to be. The first step is to identify the symptoms. In a cranking system, you can divide your symptoms into one of three possible troubleshooting categories:

Slow Crank: The Mitsubishi starter will crank, however, the engine RPM is too slow to start the vehicle.

Click No-Crank: The solenoid clicks but the starter doesn’t crank.

No-Click No-Crank: The solenoid doesn’t click and the starter doesn’t crank.
Once you’ve identified which problem you’re dealing with, then you can start to remedy it. For all issues, the initial troubleshooting is the same: you start with the batteries.

STEP 1 – Begin at the batteries: Charge the batteries and perform a load test on each battery in the battery bank. If any batteries aren’t up to spec they need to be replaced or you will shorten the life of the other batteries and compromise the health of the starting circuit.

STEP 2 – Perform a voltage drop test: Once the batteries pass your tests, perform a voltage drop test on the starter main cables. The starter voltage drop should be less than .5V total on the cranking circuit. This is an important step and is often the cause of a slow cranking complaint. Yet voltage drop also is a leading cause of click or no-click complaints because almost every vehicle manufacturer uses the heavy positive post, located on the starter solenoid, as a place to pick up the current used to supply the control circuit.

STEP 3 – Identify the specific issue: Until now, the diagnostic path has remained the same regardless of the complaint. Now is where you address the specific issue.

















Tips from: www.dieselnews.com.au

Starter Motor Replacement Supplier For Scania; Renault DCI11



Replacement Starter Supplier For Scania
















Replacement Starter Supplier For Renault DCI11


2017年5月4日星期四

Intelligent safety systems to minimise risk of traffic accidents

More vehicles on the roads, a faster traffic flow  and a distracting stream of information all impose considerable demands on both commercial vehicle drivers and car drivers. On the other hand, there has never been  more opportunities for the person behind the wheel to drive more safely than there is today. The active safety systems found in many modern cars and trucks make it far easier to avoid incidents and accidents.

Volvo Trucks has developed a system that goes well beyond both current and future legal requirements. The system, which was introduced in 2012, focuses primarily on alerting the driver to the risk of a collision.

The emergency brake is only used if it is absolutely necessary, and it is deployed extremely quickly. The braking speed – or retardation to use the correct technical term – is about 7 m/sec2 , which is on par with what many passenger cars can manage. In practice this means that the truck’s speed can be cut from 80 to 0 km/h in about 40 metres.

When the emergency brake is deployed, the brake lights start flashing to warn vehicles to the rear, and when the truck’s speed drops to 5 km/h the flashing emergency warning lights are also activated.

Examples of Volvo Trucks’ intelligent safety systems

  • Adaptive Cruise Control , active cruise control that helps the driver maintain a set time gap to the vehicle in front.
  • Collision Warning with Emergency Brake , alerts the driver if there is a risk of collision with a vehicle in front, activating the brakes if necessary.
  • Driver Alert Support , notifies the driver to take a break if it detects any sign of driver inattentiveness or drowsiness.














News from:http://news.cision.com

2017年5月3日星期三