86
T-Series Climate Changer Air Handler IOM •
CLCH-SVX06A-EN
Routine Maintenance
Maintenance Checklist
Frequency
Maintenance
After 48 hours
of operation
Belts have acquired their permanent set. Readjust but do not overtighten. See the
“Tension the Fan Belt”
section on page 56
for more information.
Every week
Observe unit weekly for any change in running condition and unusual noise.
Every month
• Clean or replace air filters if clogged or dirty; coat permanent filters with oil after cleaning; change bag
filters when pressure drop is 1 in. wg. See the
“Air Filters” section on page 87
for more information.
• Relubricate fan bearings if necessary. See the
“Fan Bearing Lubrication” section on page 90
for more
information.
• Check and adjust fan belt tension.
Every three to
six months
• Check fan bearing grease line connections. Lines should be tight to the bearings.
• Check bearing and motor bracket bolt torque and bearing setscrew torque.
• Align fan and motor sheaves. Tighten sheave set screws to the proper torque. See the
“Sheave Alignment”
section on page 58
for more information.
• Inspect and clean drain pans. See the
“Drain Pans” section on page 88
for more information.
• Tighten electrical connections.
• Inspect coils for dirt build-up. See the
“All coils should be kept clean to maintain maximum performance.”
section on page 92
for more information.
Every year
• Inspect the unit casing for corrosion. If damage is found, clean and repaint.
• Clean the fan wheels and fan shaft. See the
“Fans” section on page 89
for more information.
• Inspect and clean drain pans.
• Check damper linkages, set screws, and blade adjustment. Clean, but do not lubricate, the nylon damper
rod bushings.
• Clean damper operators.
• Inspect electrical components and insulation.
• Inspect wiring for damage.
• Rotate the fan wheel and check for obstructions in the fan housing. The wheel should not rub on the fan
housing. Adjust the center if necessary and tighten wheel set screws to the proper torque.
• Lubricate motor bearings in accordance with motor manufacturer’s recommendations (see the
“Fan
Bearing Lubrication” section on page 90
for more information).
• Check condition of gasketing and insulation around unit, door and dampers.
• Examine flex connections for cracks or leaks. Repair or replace damaged material.
