112 7713395 R2
5. Maintenance
Before continuing, ensure you have completely read and understood this manual’s
Safety section, in addition to the safety information in the section(s) below.
5.1. Maintenance Safety
• Keep components in good condition. Follow the maintenance
procedures.
• Ensure the service area is clean, dry, and has sufficient
lighting.
• Do not modify any components without written authorization
from the manufacturer. Modification can be dangerous and
result in serious injuries.
• Lock out power source and shut off gas valves.
• All gas components, connections, and appliances are to be
serviced or maintained by a qualified gas technician.
• After maintenance is complete, replace all guards, service
doors, and/or covers.
• Use only genuine NECO replacement parts or equivalent. Use
of unauthorized parts will void warranty. If in doubt, contact
NECO or your local dealer.
5.2. Maintenance Overview
NECO takes pride in choosing quality vendors and products in association with the design and manufacture of
our products:
• OEM products have a service life related to operating conditions and usage.
• Vendor supplied products consist of motors, gear reducers, bearings, valves, switches, etc.
• This information is to assist you in keeping the equipment in operating condition and to help obtain correct
OEM data for proper maintenance.
Prior to each season or usage:
• Complete the Section 4.2 – Equipment Pre-Check on page 60 section and verify completion for each step.
During regular usage, based on overall conditions and amount of usage:
• Check for debris buildup within the plenum and throughout the system.
• Check all pipe fittings and fuel train components with a qualified detection method.
• Check the burner ports for blockage. See Section 5.3 – Burner Gas Ports on page 113.
• Check all fan and discharge auger belts tension and alignment monthly. Be careful NOT to over tension.
• Check metering roll chain tension monthly.
• Clean air switch line monthly.
5. MAINTENANCE CONTINUOUS MIXED-FLOW GRAIN DRYER WITH COMMANDER CONTROL SYSTEM
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