bids are invited for repair and overhauling service - repair of hst; 1. di as per csdo schedule and general cleaning. 2. check and clean dust collector 3. check and reset v belt tension. change the v belt if worn out. 4. change external seal kit-2t & 4t. 5. check mechanical structure and parts for damage. repair/replace if required. 6. check rubber sleeves and hose pipes for damage. change if required. 7. check for noise, vibration etc. while operation and while towing 8. full hydraulic system check for leakage, clogging of filters, hand pump function. 9. close loop operation to be done to remove dirt particles in the system 10. check pneumatic parts and pipe lines for damage and leakage carry out rectification/replacement. 11. check all gauges for proper functioning. carry out repair/replacement if required. 12. check the condition of battery. 13. check the cable connections at starter, alternator and battery for their tightness. 14. check function of all switches and indicators. carry out rectification/replacement if required. 15. check all bulbs, tube lights and led indicators for damage/unserviceable. carry out rectification/replacement, if required. 16. run the trolley for 2 hours continuously and check all function and leakage of the trolley 17. general checks: tyres, wheel bolts, glass, door locks, greasing, fire extinguisher, exhaust smoke condition, engine parameters, leakage, etc. 18. warranty 03 months.