Maintenance - Champion CRH Series Instruction Manual

3.0 MAINTENANCE

DRYER IS A PRESSURE CONTAINING DEVICE.
DISCONNECT POWER AND DEPRESSURIZE DRYER BEFORE
SERVICING.
3.1 Ambient air filter - Clean accumulated dust and
dirt from ambient air filter monthly or more often
if air flow across the condenser is impeded.
A. Remove top panel.
B. Remove ambient air filter by sliding upwards.
C. Wash with soap and water and allow to dry before re-
installing.
NOTE: Do not use solvents to clean ambient air filter.
D. Reinstall filter and top panel.
3.2 Inlet strainer - clean inlet strainer monthly or
more often if rapid clogging occurs.
A. Shut-off compressed air supply to the strainer and de-
pressurize. Turn off power to the dryer.
B. Remove screen and clean or replace.
C. Reinstall.
Screen
4
3.3 Replace separator/filter element yearly or more
often if pressure drop across the dryer is exces-
sive.
A. Shut-off compressed air supply to the dryer and depres-
surize. Turn off power to the dryer.
B. Remove top panel.
C. Remove two screws holding side panel and remove side
panel by sliding upwards.
D. Disconnect drain tube from bulkhead fitting in cabinet
base. To remove, press the plastic collar in, toward the
fitting, while pulling the tube out of the fitting.
E. Remove bowl - push bowl up, turn bowl 1/8th turn to
your left, and pull straight down.
F. Clean filter bowl.
G. Replace element.
1. Replacing complete element
a) Pull off old element and discard.
b) Make certain O-ring inside top of replacement ele-
ment is in place and push element onto filter head.
2. Replacing sleeve only
a) Pull element straight down to remove.
b) Remove bolt and bottom cap and remove disposable
filter sleeve.
c) Clean separator core with soap and water if necessary
d) Slide new filter sleeve over separator core and re-
place bottom cap and hand tighten bolt.
e) Make certain O-ring inside top of element is in place
and push element onto filter head.