Check the drain holes are provided in horizontal girders and are clean otherwise water will be accumulated and rusting of M. S. parts will take place which will reduce the strength of Horizontal girder.
Check the downstream of skin plate, welding joints between skin plates and T-girders. T-girders and Horizontal girders for any pitting rusting, corrosion or crack otherwise it will damage the skin plate assembly and reduce the strength.
Check any deformation of bottom corners of gate leaf which is taken place due to touching of corner of skin plate with pier concrete otherwise the skin plate corner will be jammed and gate will not be operated.
Check all the bolts/nuts used for fitting of rubber seal with skin plate for proper tightening otherwise water leakage will be observed through the holes whereas bolts/nuts are not provided. If bolts/nuts are found wear & tear, water leakage will be observed
If there is gap between wall plate and rubber seal due to not proper erection, water leakage will be observed between the gaps and water will fall on horizontal girders ends arms etc. rusting the M. S. parts and affects the strength.
Check any water leakage between stage concrete of will plate and sill beam otherwise water coming from the stage concrete will fall on ends arms, horizontal girder etc. which will corrode the M. S. parts of affects the strength of M. S. Parts.
Brake drum of liner should always be free from grease, oil for proper braking of motor torque.
Check the solenoid coil (magnetic coil) for proper operation of plunger and barrel assembly otherwise burning of solenoid coil, loose wiring, deposition of dust or dirt will make the brake to produce noise of hamming.
Check all the bolts/nuts for proper setting and operation of brake. If, E. M. brake is not in working condition, the gate will not stop during operation and gate will fall on sill beam assembly, damaging the bottom skin plate of gate.
Check the proper voltage was received on control panel of CDU for operation of electrical motor. Otherwise if sufficient voltage is not received by motor it will be damaged and operation of gates will not be carried out.
Check the reading of Ammeter provided on control panel during the Up/Down movement of gate. If ammeter does not show correct reading, the gate operation should be checked. it may also indicate that gates parts may touch to pier surface or proper tightening of wire ropes are not carried out.
Check engine oil level before operation of gates and it should be regularly top up. check oil ,air & diesel filter for any choke up condition. All filters should be regularly replaced as per maintenance manual.
Check the eye bolt and fork of turn buckle for the free movement of pins inside them, other wise turn buckle will be jammed and there will not be smooth lifting/lowering of gates. All the pins should be regularly cleaned, lubricated and refitted for smooth functioning.
02/28/11 CONNECTING ASSEMBLY FOR GATE LEAF TO HOIST MECHANISM (WIRE ROPES)
Check the easy movement of main rollers and guide roller in the groove of stop logs for easy lowering/lifting of stop logs. Otherwise stop logs will not travel smoothly on track plates and guide channel provided in the groove and stop logs will be jammed.
Check the M. S. parts used for fabrication of stop logs for any corrosion, rusting, pitting etc. otherwise the strength of M. S. parts will be lost.
Hence stop logs should be regularly painted, main rollers and guide rollers regularly serviced for smooth operation of rollers and check the stop logs movement inside the groove provided in piers of dams.
Check incoming power from D. G. Room to Control panel provided in control room for properly voltage, if sufficient voltage will not be received, motor will not be started and gates will not be operated.