It is possible to remove the valve cap of the Model 20 valve while the valve is installed in the
Maxum oven. However, there may be situations where the user wishes to remove the valve
from the oven. While this is not described in this manual, it is a straightforward process to
detach air connections, loosen the mounting clamp, and remove the valve.
Note
Do not allow polished face of valve cap to rest on any surface other than a lint free cloth. Clean
metal parts using only a syringe and a cleaning solvent such as hexane, acetone, or methanol.
CAUTION
Potential burn hazard. Handling hot components may result in personal injury.
Before servicing the Model 20 valve, it is important that primary AC power to the Maxum II
be turned off from the main circuit breaker, and the oven be allowed to cool. Only maintenance
personnel with proper authorization should open the electronic enclosure. Failure to observe
safety precautions can result in personal injury.
Valves
4.4 Model 20 Valve
Maxum II Valves and Oven Components
Service Manual, 10/2018, A5E42019844001 55
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