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Every 1,500 hours:
• Check fuel pump filter
• Replace air filter cartridge
• Check battery terminals and fluid level
• Check compressor oil level
• Check alternator brushes. Check in accordance with diesel hours
PLUS standby hours
• Check engine thermostat for proper operation
• Check defrost:
• Check timer setting and function
• Check refrigerant control valves for proper operation
• Check that fans stop
• Check that defrost ends automatically
• Check water drainage from evaporator
• Check fan motor brushes
• Check and adjust rocker arms
• Replace belts as necessary
Every 2,000 hours:
• Change lube oil and filter(s)
• Check engine cooling system
• Check and clean air filter
• Check all belts
• Replace oil filter
• Clean radiator and condenser
• Check refrigerant level
Every 3,000 hours (Petroleum Oil)
• Change lube oil and filter(s)
• Check engine cooling system
• Check and clean air filter
• Check all belts
• Change fan motor brush
• Check and rebuild alternator
• Check engine speed (High: 2200-2250; Low: 1800-1850)
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