Engineered Air HVAC Unit DJ-40

Clean screen of regulators with vent terminals

Remove scale from burner plates

Ensure burner plate holes and gas orifices are clear

Lubrication of Dodge Fan Bearings — Ball Bearing Pillow Block

Select the shaft diameter and speed (RPM) for lubrication schedule

Is it safe to re-lubricate while running?

Re-lubricate while running until some purging occurs at seals, if safe

Adjust lubrication frequency based on condition of purged grease

Consider hours of operation, temperature, and surrounding conditions

Double the lubrication frequency for 24-hour operation

Select the grease type used for lubrication

Refer to motor manufacturer for lubrication recommendations

Remove grease drain plugs and operate motor for 15 minutes before replacing plugs

Ensure not to over grease the motor

Note any severe conditions the motor runs in

Recommended Motor Lubrication Intervals for motors 10-40 HP (7.5-29.8 kW)

Check set screws on fan wheel for looseness

Check set screws on fan bearings for looseness

Check set screws on fan pulleys for looseness

Check set screws on motor pulleys for looseness

Tighten set screws where required

Lubrication of Dodge Fan Bearings — Spherical Roller Bearing, Solid Pillow Block

Select shaft diameter and speed (RPM) for lubrication schedule

Select lubrication frequency based on RPM

Is the lubrication interval adjusted for 24-hour operation?

Lubricate with multipurpose roller bearing NLGI No. 2

Re-lubricate while running until some purging occurs at seals, if safety permits

Adjust lubrication frequency based on condition of purged grease

Lubricate bearings prior to extended shutdown or storage

Rotate shaft monthly to aid corrosion protection