4-3
Service Procedures
Routine Maintenance
129367-410
WARNING - BURN HAZ-
ARD: Before performing
any cleaning allow steril-
izer and generator (if ap-
plicable) to cool to room
temperature.
WARNING - BURN HAZ-
ARD: Jacket pressure must
be at 0.0 psig before be-
ginning work on the steam
trap.
CAUTION - POSSIBLE
EQUIPMENT DAMAGE:
Allow thermostatic traps
to cool to room tempera-
ture before removing
cover. Since there is noth-
ing to limit expansion, the
bellows may rupture or
fatigue if trap is opened
while hot.
•••••
Reassembly
1.
Insert the screen into the strainer body. Take care that no dirt or other
particles remain in the strainer body.
2.
Replace and tighten hex plug. Use a new gasket if necessary.
3.
Ensure all pipe connections are tight after assembly.
Refer to Figure 4-1 for location.
•••••
Disassembly
1.
Using a suitable wrench, unscrew and remove the cap and attached
diaphragm assembly.
2.
Remove seat from body using a hex socket wrench.
3.
Wipe out bowl taking care that loose material does not enter the piping.
•••••
Reassembly
1.
Screw new seat in firmly. (Use a socket head wrench to tighten.)
NOTE: Seat and diaphragm are a lapped pair.
2.
Install new diaphragm.
3.
Replace cap and attached diaphragm assembly, using a new gasket.
4.
Check for leaks.
4.3 Steam Trap
Replacement
4.4.1 Clean or Replace
Piping Check Valves
4.4.2 Clean or Replace
Manifold Check Valves
Repair of check valves is limited to cleaning of valve seats and/or replacing
seal rings when foreign matter causes improper operation. When a valve
becomes defective, the entire valve must be replaced or repaired with the
appropriate Seal Kit. Refer to
ILLUSTRATED PARTS BREAKDOWN
publica-
tion (P129362-409) for correct check valve part number.
Repair of check valves is limited to cleaning valve seats when foreign matter
causes improper operation. If the seat itself is damaged, the valve can be
repaired according to the instructions in the Manifold Repair Kit. Refer to
ILLUSTRATED PARTS BREAKDOWN
publication (P129367-409) for correct
Manifold Repair Kit part number.
Solenoid valves can be rebuilt following the instructions included in the
manifold repair kit. Refer to
ILLUSTRATED PARTS BREAKDOWN
publication
(P129367-409) for correct Manifold Repair Kit part number.
4.4.3 Rebuild Manifold
Solenoid Valves
4.4 Valves
