Loren Cook Company AC Exhauster ACRU-D

It is recommended the following inspections be conducted twice per year.

• Inspect bolts and setscrews for tightness. Tighten as necessary. Refer to Torque chart.

• Inspect belt wear and alignment. Replace worn belts with new belts and adjust alignment as needed. Refer to Belt and Pulley Installation, page 4.

• Bearings should be inspected as recommended in the Conditions Chart.

• Inspect for cleanliness. Clean exterior surfaces only. Removing dust and grease on motor housing assures proper motor cooling.;

Warning: This procedure requires trained personnel with PPE!

Is the motor a Direct Drive 1050/1075,1200,1300 &1500 rpm unit?

If yes, proceed with the following steps. If not, skip to step 7.

Has the unit been stored for a year or more?

Is the unit in severe conditions?

Add LIGHT grade mineral oil or SAE 10W oil up to 30 drops.

Does the motor have grease lubricated ball or roller bearings without provisions for relubrication?

If yes, contact the maintenance department to disassemble and lubricate the bearings. If not, proceed to step 10.

For motors with provisions for relubrication, follow intervals of the table Relubrication Intervals.

Warning: Handle the AC fan and accessories with care during inspection

AC fan and accessories free of damage

AC fan wheel turns freely and does not bind when turned by hand

Dampers (if included) have free operation of all moving parts

Record any visible sign of damage on the Delivery Receipt

Sign off on the initial AC fan inspection

Inspection of the fan should be conducted at the first 8 hour interval of satisfactory operation.

During the inspections, stop the fan and inspect as instructed.

Inspect belt alignment and tension. Adjust and tighten as necessary.;

Warning: Stop the fan before inspection!

Bolts inspected and tightened as necessary?

Setscrews inspected and tightened as necessary?

Motor mounting bolts inspected and tightened as necessary?