Repairing and maintenance of SDL 880 at 7/8 incline of Dhori (K) Colliery

Amount

Part – A Bucket

Old and damaged bucket cutter plate removing by cutting by industrial gas cutting set. (Long 2100mm X Wide 350mm)

Old and damaged chain supporting plate removing by cutting by industrial gas cutting set both side (upper & lower)

S.S. Bucket cutter plate new replacement & fabrication shape and size (Long 2100mm X Wide 300mm)

S.S. 12mm plate replacement & fabrication shape and size (Long 2100 mm X wide 300 mm)

New S.S. Cutter plate fitting, fixing and S.S. full welding both side (Upper & Lower)

Bucket chain supporting plate fiting, fixing and S.S. full welding

Fabrication of bucket arm pin new making by machining (Head 200mm X Long 250mm X Dia 125mm)

Arm Bush new replacement and fitting in SDL machine arm

Bucket Coal discharge gate repairing plate changing, cutting & welding both side

Full bucket supporting making by cutting industrial gas cutting set & fitting with S.S. electrode welding

S.S. electrode

Part – B Track drive gear box both side

Reparing of damaged gear bearing housing in round welding and machining as per original shape and size (Part No. EEA0021922)

Repairing of its cover assly damaged mtg. holes threads new making by oval hole closing by material filling and machining outer face and new thread making as per 22mm size (Part No. EEA0021913)

Reduction gear assembly repairing by worn out teeth material filling in round and teeth making in original shape by milling machine

Replacement of its seal (Part No. EEA0021916)

Gear box bolt new replacement and fitting

Part – C Hydraulic traction motor assy. LH Side

Providing and fixing of shaft

Providing and fixing of seeger

Providing and fixing of ring spacer shim

Providing and fixing of spacer bearing

Replacement of screw

Providing of piston complete

Replacement of shaft seal kit

Repairing of protection cover

Repairing of threaded rod

Replacement of bushing setting screw

Complete opening overhauling and re-assembly

Repairing of oil cooler

Front idler repairing overhauling

Part – D Bucket arm lever assy

Bucket arm ever assy bend and damaged bracket gas cutting heating, straightening with the help of hydraulic press machine and re welding with assy in multilayer by special jointing steel electrodes and shaping by grinding with proper alignment and lining

EN 18 carbon steel metal pin new making with head and lock hole for above bucket arm lever

Chasis frame arm assy bend and damaged portion straightening by hydraulic press machine and also bracket cutting and after straightening re setting "V" grooving and full welding in multilayer by special jointing electrodes with support stitching and shaping by grinding with proper alignment and label lining

EN 18 carbon steel metal pin new making with head and lock hole for above chasis

Part – E Lift cylinder

Lift cylinder place both side pin seat damaged, oval & worn out portion repairing & rectification with the help of metal filling by special electrodes as required up to roundness & after welding re shaping by grinding as per pin size & also making required size, distance ring 02 nos and welding with both side if lifting cylinder pin place with centre alignment and also making locking arrangement of pin both side

EN -9 steel bush new making as per sample size

Lift cylinder worn out pin welding by special electrodes then machining as per original shape

Lift cylinder opening and fitting in mounting and upper deck arm assy

Press lock plate new making as per size 90 mmX 20 mm X 08 mm

Part-F Repairing of track link assly 02 nos

Making and fitting of new track bush

Making and fitting of track pin of 45 mm X 240 mm

Gas cutting and removing of old track pin and bush

Providing and fixing of new track bolt

Providing and fixing of new track shoe nut

Track chain adjusting bolt new making with head and adjustment nut size 60 mm Head X 430 mm length X 45 mm OD X 300 mm long thread

Total impact of GST for the purpose of CTC

AMAN KUMAR ENTERPRISES (BID ID -1105918)

M/S NEW BIHAR MOTOR GARAGE (BID ID -1105922)