Measurement Process

From enquiry to condition report in seven steps

Every attendance follows the same sequence. Two steps belong to the vessel, five to MLS. The scope, the duration and the deliverable of each step are stated up front.

Main engine in a ship's engine room, seen across the top platform with cylinder covers, pipework and yellow railings
ON BOARD - THE ENGINE STAYS ASSEMBLED
7
Steps
10-30min
Per cylinder
2-8h
Per attendance
5working days
Final report within

PHASE 01

Enquiry

1 day

PHASE 02

Planning

port rotation

PHASE 03

Attendance

2-8 h

PHASE 04

Report

5 working days

  1. 01

    Configuration Check

    Vessel, engine and configuration data are recorded. Bore, engine type and access situation determine whether the attendance is applicable.

    MLS · BEFORE ARRIVAL ENGINE DATA SHEET
  2. 02

    Vessel Preparation

    Scavenge air receiver opened, air slots accessible and cleaned, piston positioned as agreed. Approx. two hours before the measurement.

    CREW · ONBOARD ACCESS OPENED
  3. 03

    MarLiner Positioning

    The measuring unit is inserted through the air slots and set down on the piston crown, where it aligns to the liner axis.

    MLS ENGINEER UNIT IN PLACE
  4. 04

    Liner Measurement

    Automated run, 10 to 30 minutes per cylinder, approx. 12,000 measuring points across the running surface.

    MLS ENGINEER RAW POINT CLOUD
  5. 05

    Data Processing

    Evaluation onboard. Wear, wear rate and ovality are derived per cylinder, with a preliminary condition overview before departure.

    MLS ENGINEER PRELIMINARY OVERVIEW
  6. 06

    Full Inspection Add-On

    Where booked: piston, ring pack, lubrication, deposits and scavenge air space are documented and assessed.

    MLS ENGINEER VISUAL DOCUMENTATION
  7. 07

    Final Report

    Structured PDF for vessel and shore organisation, classified against applicable engine-maker criteria.

    MLS · AFTER ATTENDANCE CONDITION REPORT
STEP 03/04 - INSIDE THE SCAVENGE AIR SPACE SILENT LOOP · NO AUDIO
Engineer in protective coveralls guiding the MarLiner rod through the opened scavenge air port
STEP 03 - MARLINER POSITIONING
Head and rod enter through the air slot; the cylinder unit stays installed.
Laptop running the MarLiner software on a workbench in front of a row of scavenge air doors
STEP 05 - ONBOARD EVALUATION
The preliminary condition overview is produced onboard, before departure.

WHAT THE CREW PREPARES

Two hours, three items

Scavenge air receiver opened and ventilated

Air slots accessible and free of loose deposits

Piston positioned as agreed in the configuration check

Where local conditions limit the recording, the affected area is documented in the report and stated within the present inspection scope.

Aerial view of an offshore jetty with two tankers alongside, a small gas carrier and a larger tanker, pipeline trestle running to shore

NEXT STEP

ROSTOCK · WORLDWIDE
CONFIRMATION USUALLY WITHIN ONE WORKING DAY

Plan the attendance around your port rotation.