Overhaul and full maintenance of machine set main drive

– Full Dissembling of main drive,
– Performing health tests of various components of main bearing of TBM
– Accurate measurement of abrasion and permissible tolerance of main bearing,
– Full Dissembling of sealing part of main drive,
– Repair & refined of main drive ring speed and full amendment of wears and corrosion of sales seat place,
– Complete disassembly, repair and assembly of main drive gearboxes and electro motors,
– Performance test of bearings, pinions and main gear,
– Complete main drive assembly and final rotation test,

Cutter head basic changes consists of:
– Redesigning some parts of the Cutter head and increase the Cutter head opening,
– Changing and redesigning the layout of gauge cutting tools and buckets,
– Designing and modifying the rotary coupling from 8 routes to 12,

Re-designing and modifications of the foam system include:
– Redesigning and changing the layout of foam piping paths and increase foam nozzles,
– Designing of foam nozzles divider block
– Designing a new foam generator

Jet Wash system design to deal with cutter head blockage
– Calculation and designing of circuit with complete specifications of required equipment,
– Designing of Jet Sprayer Nozzles inside of chamber,