CHRIS-MARINE®

Working Rig Series / WR

The Chris-Marine range of working rigs has been developed for safe and efficient maintenance of 2-stroke and 4-stroke engine parts.

The  working rigs are safe and easy to use with a self-locking turning gear. They facilitate a multitude of maintenance operations such as dismantling and cleaning of exhaust valve cages and cylinder heads, as well as when operating a valve seat grinding machine.

  • For easy handling and overhaul of cylinder covers, exhaust valves and fuel pumps
  • Handling capacity: from 300 to 4000 kg
  • Available in 10 configurations (see technical specification below)
  • Safe and efficient with self-locking turning gear
  • Adjustable length and height
  • Turning capacity: 0-360˚ (depending on engine part)
  • Anti-vibration dampers
  • NEW: WR 20 with 2000 kg handling capacity and manual turning
  • NEW: WR 40 with 4000 kg handling capacity and electrically driven turning gear

WR20 manual working rig

WR20 manual working rig

WR20 manual working rig

For 4-stroke pump holders

For 4-stroke pump holders

For 4-stroke engine covers

For 4-stroke engine covers

For 2-stroke exhaust valve covers

For 2-stroke exhaust valve covers

WR 40 electrically driven working rig for maintenance of 2-stroke engine parts

WR 40 electrically driven working rig for maintenance of 2-stroke engine parts

Technical Specification
WR 3G WR 10G WR 17G WR 17GM WR 26GM WR 26GMS WR 26GML WR 26GML-2 WR 20 WR 40
Handling capacity kg 400 1000 1700 1700 2600 2600 2600 2600 2000 4000
Size mm H 1210 1220 1420 1420 1475 1775 1775 1475 985 1130
Size mm L 700 1300 1600 1600 1600 1600 1950 1950 1650 2380
Weight of basic stand kg 75 185 250 270 425 433 449 436 400 500
Engine related bracket kg 10 – 230 10 – 230 10 – 230 10 – 230 10 – 230 10 – 230 10 – 230 10 – 230 – –
Turning capacity 360° 360° 360° 360° 360° 360° 360° 360° 360° 360°
Size mm W 570 720 800 800 790 790 790 790 940 852

Case Story:
Knutsen Oas Shipping

Often bought together with

Valve Seat and Recess Lathe / VRL

Multi-purpose tool for in-situ machining of valve seats and seat recesses on 4-stroke medium speed diesel engines.

Valve Seat Remover / MPI

Multi-purpose induction tool designed for easy removal of worn valve seats from cylinder heads.

Valve Seat Lathe / VSL

Portable lathe for in-situ machining of valve seats on 4-stroke diesel engines.

Valve Spindle and Seat Grinding Machine / VGT

Machine designed for grinding of valves and valve seats on 2-stroke diesel engines.