Fire pump common fault stuffing box overheating

Overall, the fire pump packing box overheating, mainly due to the fire pump packing or seal wear and tear, packing incorrect, packing design problems, mechanical seals and other reasons caused by wear and tear: 1) stuffing box filler or Seal wear, the air leak into the pump casing Elimination measures: Check the packing or seal and replace as needed. Check the lubrication is normal. 2) The stuffing box does not have the correct stuffing (insufficient stuffing, incorrect stuffing or running-in, stuffing is too tight). Remedy: Check the stuffing and refill stuffing box. 3) packing or mechanical seal design problems Elimination measures: Consult factory. 4) mechanical seal damage elimination measures: check and replace as required. Consult the manufacturer. 5) Shaft scratch removal measures: repair, re-machining or replacement as required. 6) The packing is too tight or the mechanical seal is not properly adjusted. Removal measures: Check and adjust the packing and replace as required. Adjust the mechanical seal (refer to the manufacturer's instructions supplied with the pump or consult the manufacturer).