13-2
129373-496
Operator Manual
Service Procedures
13.6 Rebuild
Solenoid Valves
Refer to Figure 13-2.
Solenoid valves can be rebuilt following the instructions included in the repair kit
for the specific valve. Refer to
Table 13-1, Replacement Parts,
for correct kit
number.
•••••
Reassembly
1. Insert screen into strainer body. Take care that no dirt or other particles
remain in strainer body.
2. Replace and tighten hex plug. Use a new gasket if necessary.
3. Make certain that all pipe connections are tight after assembly.
Refer to Figure 13-1.
•••••
Disassembly
1. Using a suitable wrench, unscrew and remove the cap and bellows
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 bellows are a lapped pair.
2. Install new bellows.
3. Replace cap and attached bellows assembly, using a new gasket.
4. Check for leaks.
13.4 Steam Trap
Replacement
WARNING – BURN HAZARD:
Allow sterilizer to cool to
room temperature before
performing any cleaning.
W A R N I N G – B U R N
HAZARD: Jacket pressure
must be at 0 psig before
beginning work on the
steam trap.
CAUTION: Allow
thermostatic traps to cool
down to room temperature
before removing cover.
Since there is nothing to
limit expansion, the
bellows may rupture or
fatigue if trap is opened
while hot.
13.5 Clean or
Replace Piping
Check Valves
Figure 13-1. Steam Trap
Bellows
Cap
Body
Seat
Repair of check valve is limited to cleaning of valve seats when foreign matter
causes improper operation. When a valve becomes defective, the entire valve
must be replaced, unless the check valve has a field repair kit. Kit consists of new
seals and springs. Refer to
Table 13-1, Replacement Parts,
for correct check
valve part number.
