Jaltest (50105182) | High-Pressure Fuel Circuit Test Kit
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The Jaltest test kit (50105182) is intended for the high-pressure fuel circuit of the PACCAR MX-13 in the Euro 6 version. You connect it to the fuel return from the injectors and to that of the pressure control valve on the fuel rail, and so see how much fuel flows back. The corresponding OE reference is 1903030 DAF.
The case contains two braided hoses, one transparent and one black, plus two adapters with quick-release couplings. The transparent hose shows what is actually flowing back, so a leaking injector is easy to spot without building a measuring setup around it. The case measures 350 x 230 x 86 mm.
HIGHLIGHTS
POINTS TO NOTE
Applications and functionality
An engine that starts poorly or runs low on power may have an injector that lets too much fuel escape into the return. The same complaint arises if the pressure control valve on the rail no longer closes. With this kit you collect both return flows separately, so you can see which of the two is releasing the pressure.
What's in the case
- Transparent hose: Braided, with quick-release coupling.
- Black hose: Braided, with quick-release coupling.
- Two adapters: Metal, with nipple.
- Storage case: Closed, plastic.
What you can do
- Injector return: Collect the return flow.
- Pressure control valve: Assess leakage.
- Distinguish: Injector or valve.
- Without dismantling: Injectors stay in place.
How to use it
- Check engine type: Check that the engine is an MX-13 Euro 6.
- Release pressure: Let the rail pressure drop first.
- Return changeover: Disconnect the return line.
- Connect: Fit the adapters and hoses.
- Assess: Compare the two return flows.
Compatible vehicles and applications
The engine is what counts, not the badge on the grille. The kit is for the PACCAR MX-13 in the Euro 6 version, and that engine is used in more than just trucks. The brands listed below are listed for this reference, always with the MX-13.
Commercial vehicle:
- DAF: Euro 6 with MX-13.
- PACCAR: Euro 6 with MX-13.
- Tatra: Euro 6 with MX-13.
Bus:
- Irizar: Euro 6 with MX-13.
- Otokar: Euro 6 with MX-13.
- Solaris: Euro 6 with MX-13.
- Temsa: Euro 6 with MX-13.
- Van Hool: Euro 6 with MX-13.
- VDL Bus: Euro 6 with MX-13.
- Yutong: Euro 6 with MX-13.
Construction machinery:
- Spierings: Euro 6 with MX-13.
- Vervaet: Euro 6 with MX-13.
Package contents
- 1x Transparent measuring hose with quick coupling
- 1x Black pressure hose with quick coupling
- 1x Adapter, short cylindrical design
- 1x Adapter with quick-connect nipple
- 1x Storage case
Technical specifications
General
- The manufacturer of the tool. Useful if you already have equipment from this brand in your workshop.Brand
- Jaltest
- The type of tool. It shows at a glance whether it is a single gauge or a complete test set.Tool type
- High-pressure fuel circuit test set
- The types of vehicle the tester can be used on. Please choose one that suits the vehicles in your workshop.Vehicle types
- Commercial vehicle
- Bus
- Construction machine
- The engine the test set is designed for. The adapters only fit properly on the correct engine.Suitable engine
- PACCAR MX-13 Euro 6
Functions
- You can assess the pressure control valve on the rail. This shows whether a pressure fault lies with the valve or the injectors.Pressure control valve check
- Yes
- You measure without removing parts from the engine. This saves a great deal of labour time.Measuring without disassembly
- Yes
- The hoses click on and off quickly. This allows you to connect the tester faster.Hoses with quick couplings
- Yes
Dimensions and weight
- Whether a case is included for storing the set. This keeps everything from getting lost or damaged.Storage case
- Yes
- Length, width and height of the set in its case. Useful for checking whether it fits your cabinet or trolley.Dimensions
- 350 x 230 x 86 mm
- How heavy the set is. A light set is easier to take to the vehicle.Weight
- 1,091 g
Other specifications
- OE reference
- 1903030 DAF
- Version
- Two braided hoses with quick coupling and two adapters
- Number of pieces
- Four: Two hoses and two adapters
- Contents
- Transparent measuring hose, black pressure hose, two adapters and a storage case
- Application
- Check the fuel return from the injectors and from the pressure control valve on the rail

To ensure you always have access to the latest software updates and releases for your Jaltest device, it's important that you register the correct distributor.
Only the authorized distributor can perform new software installations and updates. When you designate us as your distributor, we can handle this for you and guarantee that your device stays current and runs smoothly.
How does it work?
-
Download and complete the change form
You can find the form as a PDF file here. -
Send us the completed form
You can easily do this by email to support@astools.eu. -
We'll take care of the rest
With the form, we can notify Jaltest of the change and officially register you as our customer.


