| Manfred Powis Bale - 1880 - 132 σελίδες
...filling up again. Cold water pumped into hot boilers is very injurious, from sudden contraction. 7. Exterior of Boiler. — Care should be taken that...exterior of the boiler, either from leaky joints or other causes. 8. Removing Deposit and Sediment. — In tubular boilers the hand-holes should be often opened,... | |
| Ohio. Department of Inspection of Workshops, Factories and Public Buildings - 1887 - 314 σελίδες
...before filling again. Cold water pumped into hot boilers is very injurious from sudden contraction. Care should be taken that no water comes in contact...exterior of the boiler, either from leaky joints or other causee. In tubular boilers the band-boles should be often opened, and all collections removed from... | |
| Thomas J. Foster - 1891 - 444 σελίδες
...serious weaknesses, and sometimes explosions are the result of such an action. 18. Dampness.— Take care that no water comes in contact with the exterior of the boiler from any canse, as it tends to corrode and weaken the boiler. Beware of all dampness in seatings or... | |
| 1893 - 528 σελίδες
...again. Cold water, pmaped Into hot boilers Is very Injurious from sudden contraction. 7. EXTERIOR OP BOILER.— Care should be taken that no water comes In contact with the exterior of the boUer, either from leaky Joints or other causes. 8. REMOVING DEPOSIT AND SEDIMENT.— In tubular boilers,... | |
| Robert Henry Thurston - 1896 - 1000 σελίδες
...weaknesses and sometimes explosions, are the result of such an action. 18. Dampness. — Take care that no water comes in contact with the exterior of the boiler from any cause, as it tends to corrode and weaken the boiler. Beware of all dampness in seatings or... | |
| International Correspondence Schools - 1899 - 678 σελίδες
...Cleaning. — All heating surfaces should be kept free from soot and dirt. Tubes should be often cleaned. 14. Exterior of Boiler. — Care should be taken that...corrosion. 15. Blisters and Cracks. — A blister should be at once examined, and trimmed or patched. If a plate is badly cracked it should be renewed. 16. Fusible... | |
| International Correspondence Schools - 1900 - 614 σελίδες
...All heating surfaces should be kept free from soot and dirt. Tubes should be often cleaned out. 11. Exterior of Boiler. — Care should be taken that...the boiler. Dampness leads to external corrosion. 12. Blisters and Cracks. — A blister should be at once examined and trimmed or patched. If a plate... | |
| Albert Allis Hopkins - 1901 - 734 σελίδες
...filling up again. Cold water pumped into hot boilers Is very injurious, from sudden contraction. 7. Exterior of Boiler.— Care should be taken that no...exterior of the boiler, either from leaky joints or other causes. K. Removing Deposit and Sediment.— In tubular boilers the hand holes should be often opened,... | |
| 1902 - 678 σελίδες
...check-valve every time the boiler is filled; a leakage from either may lead to serious results. 7. Filling Up. — Allow the boiler to become cold before pumping...patched. If a plate is badly cracked, it must be renewed. 16. Fusible Plugs. — Fusible plugs should be examined when the boiler is cleaned and scraped clean... | |
| 1902 - 676 σελίδες
...off, and it should indicate the blowing-off pressure when the safety valve is in action. If the-gauge does not do this, it should be compared with the standard...patched. If a plate is badly cracked, it must be renewed. 16. Fusible Pings. — Fusible plugs should be examined when the boiler is cleaned and scraped clean... | |
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