| Boiler — F.O. cut-off (low-low water level) trip: test |
3 months |
test |
Maker |
| Boiler — boiler water: measure chemical concentration and check water quality |
1 days |
analyse |
Maker |
| Boiler — reflex water level gauge: blow through and check response |
1 days |
check |
Maker |
| Boiler — remote water level indicator: compare with gauge glass |
6 months |
test |
Maker |
| Boiler — steam and water leakage: check pressure parts, flanges and valves |
1 days |
inspect |
Maker |
| Boiler — water level alarm: test |
2 weeks |
test |
Maker |
| Burner — flame eye: flame-failure test |
6 months |
test |
Maker |
| Dosing pump — change diaphragm |
10,000 h |
replace |
Maker |
| Dosing pump — change hydraulic oil |
5,000 h |
replace |
Maker |
| F.D. fan — inlet damper actuator: check pin, key and manual handle |
3 months |
check |
Maker |
| Feed water control valve — overhaul diaphragm, sliding parts and O-rings |
1 years |
overhaul |
Maker |
| Feed water control valve — static test, inspect valve disc and seat |
6 months |
inspect |
Maker |