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Yanmar 6N21 engine frame bearing seats were restored.

Inspection of connection surface of Yanmar 6N21 engine block with foundation frame and crankshaft axis was measured by using laser equipment. Based on measurement results main bearing caps were grinded and line boring of main bearing pockets was performed into nominal size.

Ship`s azipod foundation contact surface milling was performed with portable equipment. Holes for the bolts were drilled on the perimeter of the flange. Flange dimensions - 2500 x 2500 mm. 

In situ milling of large metal construction was performed.

Horizontal and vertical surfaces which had to be milled were parallel and their size was 2700 x 400 mm. Overall metal construction size 20 x 15 x 6 m.

Milling of diesel fuel reservoir flange surfaces was performed with portable equipment.

High accuracy machining of horizontal and vertical slewing ring sitting surfaces was performed with portable equipment. Diameter of the flange - 12 meters. Holes drilling and reaming on the perimeter was performed as well.  

Flange facing of the slewing ring sitting surface (outer Ø 3700 mm) was performed with portable circular mill. Also around the perimeter of the flange holes for the fixation bolts were drilled and spot facing for the bolt heads was made.

Measurement of misalignment between main engines CATERPILLAR crankshafts and azimuth thrusters ROLLS ROYCE gearboxes axis on tugboat was performed with laser equipment.

According to the project, galvanized steel structures for the construction of an industrial building were manufactured and installed.

Portable multifunctional gantry mill was purchased which can perform the following operations for bulky parts and mechanisms on the site at the client:

- milling

- turning

- boring

- thread cutting

- grinding

This equipment can handle machining of horizontal, inclined and vertical surfaces with high precision. 

Rotary mechanism, jaws, traverse and hydraulic cylinders were reconditioned. New knives were produced and replaced.

Reconditioning of slewing ring sitting surface was performed with welding method. The following turning was performed with flange facer. Diameter of the slewing ring - 790 mm

Design and technical documentation was made for the rear axle of Linde loader. Then according to this documentation the rear axle was produced.

Career hammer crusher THYSSENKRUPP basket was manufactured and installed.

The portside and starboard propeller shaft axis of the nuclear icebreaker were measured with laser equipment and according to these measurements the stern tubes were machined in diameter of 1200 mm. Total length of stern tube was 10 m.

Laser measurement and machining of crane foundation and rimmer (sitting surface for slewing bearing) was performed by our technicians.

Inspection of connection surface of engine block with foundation frame and crankshaft axis was measured by using laser equipment. Based on measurement results main bearing caps were grinded and line boring of main bearing pockets was performed into nominal size.

Replacement of container loader Linde damaged boom part and spreader repair was performed by our technicians.

The axis of the rudder device was measured with laser equipment and in accordance to these measurements the rudder pintle lower and upper bushing was machined.

Machining of cast iron rollers for wooden shavings dryer in situ.

We participated in the exhibition "Tech Industry 2014" in Riga, where we demonstrated our possibilities in portable machining.

Rotaty feeder "KREISEL" was reconditioned according to the following job description:

- housing repair

- side cover restoration

- shell replacement

- sealing cord replacement

- rotor labyrinth seal restoration

- rotor side rearmament from the inside with hard alloy plate VAUDID 6 + 4

- sealing blade adjustment 

Various thermal treated sprockets were produced. Diameter up to 1000 mm.  

Loader JCB 3CX was repaired according to the following job description:

- dismantling of the frontal and rear lifting mechanism

- disconnection of the hydraulic system

- reconditioning of the pins sitting surfaces

- production of new pins and bushings 

Auxiliary engine Wärtsilä Vasa 6R32BC periodical maintenance after 20000 operating hours was performed according to manufacturers requirements.

Fuchs loader broken boom end was replaced by new one.

Hydraulic cylinders jaws were manufactured according to the drawings.

A rod for frontal loader was manufactured in set with bronze bushings and pins.

A shutter was produced from heat-resistant stainless steel.

New pedestal was produced and a satellite antenna was installed on the top deck of the ferry.

Inspection of connection surface of engine block with foundation frame and crankshaft axel measurement was performed by using laser equipment. Based on measurement results line boring of main bearing pockets was performed.

Auxiliary engine Wärtsilä 6R32 periodical maintenance after 24000 operating hours was performed according to manufacturers requirements.

Grab holding mechanism rotator gland sitting surfaces were reconditioned with evaporation method.

Main engine Wärtsilä S.E.M.T.Pielstick PC2.6/V400 cylinder cover gasket seating and exhaust valve body sitting surfaces were reconditioned to nominal dimensions. Exhaust valve sitting surfaces were machined and new inserts were produced and installed. 

Gear-shaft and bush-shaft was produced for portal crane KONDOR.

Repair of self-discharging truck load lifting mechanism was performed. Bush and pins sitting surfaces were reconditioned and new bronze bushes and thermal treated pins were manufactured.

Cogeneration station engine Rolls Royce Bergen KVG-G3 overhaul after 60000 run hours was performed according to manufacturers requirements. Machining of cylinder liner sitting surfaces was performed additionally. 

Frontal loader VOLVO L150 rear-axle assembly was overhauled in accordance to the following job description: machining of gearbox casing; machining of balance-wheel; production and molding of bronze bushes Ø470 mm; machining of gland and balance-wheel sitting surfaces.  

Hardox material knives for paper shredder were produced.

Main engine Wärtsilä-S.E.M.T. Pielstick 12 PC 2,6/2-400 reconditioning of exhaust valve bodies was performed.

Offshore crane main boom sitting surfaces (Ø350 mm) macgining with the following flange facing was performed.

VALMET M1B710-S250 gearbox bearing sitting surfaces were machined.

The propeller shaft was measured with laser equipment and according to these measurements the stern tube was machined.

Main engine Sulzer ZAL40S engine block was reconditioned by means of machining and further fabrication and installation of the sleeves.

Main engine Wartsila S.E.M.T.Pielstick PC2.6/V400 periodical maintenance after 12500 operating hours was performed according to manufacturers requirements.

Main engine Wartsila S.E.M.T.Pielstick PC2.6/V400 camshaft straightening was performed according to manufacturers recommendations.

In situ bearing sitting surface reconditioning was performed with grinding and welding method on timber crushing machine.

Main engine Pielstick 12PC 2,6/2-400 turbocharger BBC VTR 354-11 overhaul was performed. Turbocharger was dismantled, cleaned, inspected, rotor blade sand-jet blasting and rotor dynamic balancing was performed, bearings were replaced. At the same time leaking air cooler was fixed. 

In situ reconditioning of trailing suction hopper dredger jet pipe butt-end surface was performed by welding up and further machining to the original size. Material - HARDOX

The axis of the rudder device was measured with laser equipment and in accordance to these measurements the rudder pindle bush was machined.

Support rolls for portal crane "Sokol" were manufactured.

During the replacement of Main engine B&W 6S50MC-C foundation frame measurements were carried out (flatness and other) by laser equipment. Measurements were carried out in several steps: without engine block and with installed engine block by using of laser bean scanning effect.

Overhaul of main engine Wärtsilä low and high temperature cooling water pumps, lube oil pump and cooling water thermostat valve was performed according to manufacturers recommendations. Sealings were replaced, gaps were measured and the worn parts of pumps power shafts were reconditioned by spraying method.  

According to the order of one of the Latvian ports scoop (lift capacity 9 tons) and quick coupler was produced.

Auxiliary engine 8VD36/24 bed plate joint flatness and condition of main bearing pockets were measured with laser equipment. 

Steering gear axis was measured with laser equipment and according to these measurement results the rudder carrier was centered.

The propeller shaft and main engine crankshaft axis were measured with laser equipment and according to these measurements the stern tube was machined with displacement of center and angle of slope.

With laser equipment steering gear axis was measured and further rudder stock bushes sitting surfaces were machined. 

Support rolls for portal cranes "Albatros" and "Kondor" were repaired.

Geometrical dimensions of scrap shredding machine knives were renewed with welding and mechanical machining method.

Bunkering hose reel was designed and produced.

Periodical maintenance (each 50 000 hours) for engine DEUTZ TBG 616 was performed.

HARDOX steel knives for mower shredding device were produced.

6 jaw grab "Polip" was renovated (repair of metal constructions; reconditioning of traverse, jaws and rods sitting surfaces with grinding and welding method).

Complete overhaul of cylinder heads for DEUTZ engine was carried out.

Alignment of diesel generator bearings was carried out.

17,6 cubic metre scoops for loading of bulk cargos were produced.

Bottom repair of auxiliary boiler SUNROD was performed.

A demolition mill for car catalizators was manufactured by our own draft.

Auxiliary engine fuel injectors were reconditioned.

Description of works:

- disassembling of loader;

- renovation of 10 holes with grinding and welding method;

- replacement of bearings, sealings, hydraulic hoses and pins;

- assembling of loader and handing over to customer.

Complete retubing of auxiliary boiler KAV - 6,3/16 on board the tanker vessel under DNV class.

Description of works:

- preparation of boiler retubing procedure and approval by DNV CS;

- purchase and fabrication of full set of tubes according to the original drawings;

- transportation of the tubes to the vessel;

- renewal of tubes (downcoming, convention bank, screen bank) during vessel operation;

- pressure test of the boiler;

- handover of the boiler in operation to CS representative.

Description of works:

- complete dismantling;

- renovation of sitting surfaces, holes on the jaws with grinding and welding method;

- manufacturing and replacement of taps (thermomachining and grinding);

- replacement of bearings;

- replacement of deformed metal constructions on jaws and traverses, which was almost 2t from each grab;

- replacement of HARDOX material knives;

- assembling and handing over to customer. 

Impeller for main engine auxiliary blower was manufactured.

Line boring of main bearing pockets for auxiliary engine MAN B&W 6S28LH-4 was carried out by using EASY LASER measurement equipment.

Four holes were restored in movable part of frame on grader VAMMAS. Ellipse shape was prevented, wire was welded and necessary diameter was grinded.

Two-stage stainless steel tube sections were fabricated for vessel coolers.

Rudder stock sole piece socket shift regarding to the rudder trunk axe was determined with a laser equipment. With a laser beam this procedure is much faster, easier and more accurate as with stretching a piano wire.

With reference to shipping company order technical documentation and a full set of pipes was produced for auxiliary boilers KAV 6.3/16 and KAV 16/16. Complete retubing has been done during commercial voyage. Produced pipes were approved by classification society.

According to the order of technical management company were fabricated and galvanised different pipes, bolards, flanges etc. for further transportation and installation on board the vessel during voyage by our squad team.

Our engineers made a desing, technical documentation and scoops for a frontal loader according to the order of one of the Latvian ports.

Blades int.al. side and base-plates were made of HARDOX material.

Technical passport was worked out for these products.

In April our team arrived in Klaipeda to carry out grinding works, by means of Sir Meccanica equipment, for vessel, which is engaged to dig sea bed.