9
FMTD64
7.
Maintenance Guidelines:
Note:
Before undertaking any maintenance of the product it must be isolated from
both supply line and return line and ensure pressure is normalized to atmosphere. The
product should then be allowed to cool. When re-assembling ensure that all joint faces
are clean.
7.1. Routine and preventive maintenance:
Please refer to the maintenance schedule mentioned in the table below to undertake
routine maintenance of the Forbes Marshall Thermodynamic Trap.
7.2. Tool Kit:
To carry out maintenance of the Forbes Marshall thermodynamic trap [FMTD64] refer the
tools mentioned in the table below.
7.3. Recommended tightening torques:
Table 1: Recommended tightening torque
Size
Component
Tool used and size
DN 15/20
Cap
Box spanner 42 mm (A/F)
Strainer Cap
Box spanner 26 mm (A/F)
Item
Component
Torque Range
2
Cap
180 - 200 Nm
5
Strainer Cap
170- 190 Nm
No.
Parameters to be checked
Frequency for checking various parameters
Immediate Daily Weekly Monthly Quarterly
Half
Yearly
Annually
1
Test High Pressure steam traps
(17.5 bar g and above)
Y
2
Test Medium Pressure steam traps
(3.5 bar g to 17.5 bar g)
Y
3
Test Low pressure steam traps
( below 3.5 bar g)
Y
4
Repair / Replace steam traps - when
testing shows leaks
Y
5
Clean internals / strainer of FMTD64
Y
6
Visual Inspection for leakages
Y
7
Arresting any other leaks
Y
