Monthly Maintenance Inspection Checklist - Liebert CHALLENGER 3000 Operation And Maintenance Manual

8.0 M M
ONTHLY
Date:_______________________________________
Model #:_____________________________________
Filters
___ 1. Restricted air flow
___ 2. Check filter switch
___ 3. Wipe section clean
Blower Section
___ 1. Impellers free of debris and move freely
___ 2. Check belt tension and condition
___ 3. Bearings in good condition
Compressor
___ 1. Check oil leaks
___ 2. Check for leaks
Air Cooled Condenser (if applicable)
___ 1. Condenser coil clean
___ 2. Motor mounts tight
___ 3. Bearings in good condition
___ 4. Refrigerant lines properly
supported
Reheat
___ 1. Check reheat element operation
___ 2. Inspect elements for cleanliness
Notes
Signature
Make photocopies of this form for your records
I
AINTENANCE NSPECTION

Monthly Maintenance Inspection Checklist

C
HECKLIST
Prepared by:_________________________________
Serial #:____________________________________
Steam Generating Humidifier
___ 1. Check canister for deposits
___ 2. Check condition of steam hoses
___ 3. Check water make-up valve for
leaks
Infrared Humidifier
___ 1. Check pan drain for clogs
___ 2. Check humidifier lamps
___ 3. Check pan for mineral deposits
Refrigeration Cycle/Section
___ 1. Check refrigerant lines
___ 2. Check for moisture (sight glass)
___ 3. Check suction pressure
___ 4. Check head pressure
___ 5. Check discharge pressure
___ 6. Check hot gas bypass valve
___ 7. Check thermostatic exp. valve
Air Distribution Section
___ 1. Restriction in grille free area
Refrigerant Charge
___ 1. Check refrigerant level
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