HARVEY Chemiclave EC5500, Service Manual, Page: 36 / 56

36
M
AINTENANCE AND
S
ERVICING
Warning
Disconnect power cord before
replacing a fuse.
Air Filter
Replace the air filter once a year. Mark the replacement
date on the air filter for reference.
To replace the air filter, disconnect tubing (from Purge
Pump), install replacement air filter in the correct direction,
and reconnect tubing (see Figure 21).
Check Valve
If the unit does not maintain pressure during operation, the
check valve may not be seated properly. To reseat the
check valve:
1. Run the unit in Purge for one minute to loosen
the check valve ball.
2. Run a test cycle. It should reseat the check valve
ball.
3. If the check valve continues to leak under
pressure, replace it (see Figure 21).
Electrical Components
Fuses
If the control panel does not activate when Power Switch is
ON, check the fuse cartridges. If a fuse is blown, replace it
with another of the same rating. (See Wiring Diagrams.)
Model Fuse Code Part No.
EC5500 100V, 12 A, Time Lag T 5120-0036
115V, 10 A, Time Lag T 261575
230V, 7 A, Time Lag T 440-0020
EC6000 115V, 15 A, Time Lag T 264305
110V, 15 A, Time Lag T 264305
230V, 8 A, Time Lag T FZX67