Preventative Maintenance Checklist for Your Air Conditioning Cart

To ensure the life of your air conditioning cart, there are specific maintenance procedures that must be followed. Following theses procedures will not only ensure a longer life for your cart, but also ensure the accuracy and the reliability. Below we have created a checklist for the recommended maintenance of each part of your air conditioning cart.

Engine Maintenance:

• Change oil after the first month or after five hours of use
• Clean air filter every three months or after 25 hours of use
• Change engine oil every six months or after 50 hours of use
• Every 100 hours or annually, check spark plugs, clean spark arrester, change fuel filter inspect ideal speed and fuel tank
• Every 200 hours or annually, service Bendix starter drive and have solenoid shift starter disassembled and cleaned

Batteries:

• Test batteries annually, top off if water in the battery is low, replace if necessary

Trailer System:

• Lubricate wheel bearing once per year, replace seals as required
• Check tire pressure

Air Conditioner Cleaning:

• Inspect and clean evaporator coils, condenser coils, one-row coils, and condensate drain
• Clean or replace filters at the beginning of each heating and cooling season

Condenser-Fan Adjustment:

• Inspect condenser fan for proper height, if differs from OS< adjust accordingly

Refrigerant Charge

• Verify the correct amount of refrigerant is in the system, refill if necessary

Should aircraft tools be calibrated in an accredited calibration lab?
Find out in our guide.