Title Page
-
Site conducted
-
Conducted on
-
Prepared by
-
Location
-
Work Order Number
Untitled Page
(T)ools, (S)afety Equipment and (M)aterials
-
Mechanic's tool set, refrigeration system tools
-
Refrigerant manifold gage set
-
Refrigerant leak tester
-
Cleaning tools and materials, pressure washer, vacuum, fin comb,
-
Rust removal materials, primer, paint
-
Lubricants, belts
-
Personal protection equipment for handling refrigerants
-
Ladder
Safety Guidelines
-
Schedule work with operating personnel
-
Follow site safety rules for lockout and tagout
-
Be very careful when climbing roof access ladders
-
Review and follow the manufacturer’s instructions
-
Follow safety and environmental rules for refrigerants
-
Don't vent refrigerants. Refrigerants must be recovered
-
Submit a work order if refrigerants need to be added
-
Report any problems you find
-
Record the results in the maintenance log
Maintenance Procedures
-
Lock and tag out unit
-
Check with operating or area staff for problems
-
Clean dust and dirt from entire unit and all ventilation ports
-
Wash coils with water hose. Only use a coil cleaning solution if nothing else will work
-
Inspect system for any signs of rust. Remove rust, prime with rust inhibitor, paint to match original condition. Rust must be completely removed down to base metal
-
Clean blowers, fans, motors, drip pans and drain piping
-
Check and adjust vibration eliminators
-
Check hold down bolts and grounding straps for tightness
-
Grease shaft and motor bearings, if needed
-
Adjust the belt tension and alignment, if needed
-
Check electrical wiring and connections; tighten loose connections
-
Clean area around equipment
-
Check system for refrigeration leaks. If leaks are detected, submit a work order to correct the problems and recharge the system
-
Remove locks and tags
-
Perform operational check and return to service
-
Record suction and discharge pressures, sub-cooling and superheat
Maintenance Hours
-
Time spent on work order?
