repair to drr 2223 and drr 1834 ( s / c ) -repair to the real roll rhs by way of dismantling the worn out / damaged driving ring. repairing / rebuilding teeth’s of driving ring ( rhs ) & ( lhs ) - 02 no’s p / f new nut & bolts -20 no’s and rebuilding of teeth of pinion to match properly with driving ring. assembling and testing. the job includes cost of material, labour charges and all taxes. 2 drr 2223 ( s / c ) :-repair to the self starter of the machine by way of dismantling it from the machine cleaning it with petrol p / f of new parts carbon brush set -01 set, solenoid switch -01 no, repairs to armature. p / f of bearing of armature shaft, field coil set, assembling and complete testing at site. the job includes cost of material and labour charges and all taxes. 3 drr 1834 ( s / c ) :-top overhauling of s-4 by way of removing the engine from the machine by unfastening the foundation bolts and disengaging from coupling system and lifting the engine with help of crane / jcb. loading on deptt. pickup for shifting at jammu for repair. extraction of defective parts, cleaning with k.oil. p / f of piston ring set-04 set, inlet valve-04 no’s, exhaust valve -04 no’s guide valve -08 no’s. servicing & repairing of engine head & fitting of valves. p / f of head gasket, timing oil seal, water body assembly, fan belt, radiator hose pipe set. fitting of engine head & assembling of engine. p / f of engine foundation with nuts & bolts. lifting the engine with crane / jcb & fitting with machine. complete job includes cost of material, labour charges. 4 drr 1834 ( s / c ) :-repairs to the f.i.p by way removal of defective f.i.p from machine, cleaning with petrol and removing the damaged parts p / f, plunger head, plungers delivery valves, cross with spacer, nozzles, fuel pipe main-01 no, diesel pipe-01 set, feed pump -01 01 no, calibration &tuning of fip with engine. job includes cost of material and labour charges. 5 rebate on account of old parts ( absolute )