Aaf-international Type W RotoClone User Manual download pdf (Page 7)

2.12 Drive

Type W RotoClones are belt-driven. Motor, if supplied by others,

should be equipped with adjustable slide base. Short center

V-belt drive, if provided by others, is the preferred arrangement. V-belt

drives are usually mounted by the factory in an Arrangement 9 motor

mounting. Where the motor mounting is Arrangement 1 or the motor

and drive are too large to be shipped mounted on the unit, refer to

belt manufacturer’s recommendations for belt tension, or call AAF for

instructions. Improper tension will affect performance and life of the

drive and bearings.

2.13 Placing RotoClone in Service

To make sure impeller is free, turn shaft by hand before starting

RotoClone. THE DIRECTION OF ROTATION MUST BE COUNTER-

CLOCKWISE when viewed from the drive side of RotoClone.

Note arrow on housing.

Flush strainer to remove pipe scale and solids from supply line.

Paper, wood, and other foreign materials are frequently left in

exhaust system during erection. Inspect RotoClone impeller through

inspection doors located at RotoClone inlet and rear housing before

operating the unit and after 24 hours operation. Remove any such

accumulations conveyed to the RotoClone impeller, and check all

drains for blockage.

3.0 Operation

TO START RotoClone:

1. Open valve in water supply line

(unless automatically controlled).

2. Start RotoClone motor.

TO STOP RotoClone:

1. Stop RotoClone motor.

2. Close valve in water supply line

(unless automatically controlled).

CAUTION: Pressure in water supply line to spray nozzles must be

maintained at 40 lb. per inch or higher during RotoClone operation.

Do not permit paper, waste, or similar large pieces of material to be

thrown into suction hoods because they will plug RotoClone and

cause water and dust to escape through clean air discharge or will

plug drains, allowing water to build up and damage the impeller.

4.0 Maintenance

4.1 Lubrication

Flush and refill pillow block bearings on RotoClone shaft per attached

schedule. Using amounts listed below. #2 S.R.I. type grease is

recommended.

For 2 piece split bearings, 12 hr/day, 5 day/wk operation, the bearings

should be lubricated every 6 months, as follows (Note: this type of

bearing should not be over greased).

RotoClone Size 8 10121416202427303336

Oz. of grease per Bearing 2 2 3 4 10 10 16 22 28 32 36

For single piece bearings, the following minimum schedule should be

followed for 12 hr/day, 5 day/wk operations. This type of bearing can

be greased until old grease is forced out of seals.

Lubrication Interval

RotoClone Cu. In. 6 mos 4 mos 2 mos

Size Grease Max Operating Speed (RPM)

8 0.3 2400 3600 5000

10 0.3 2400 3600

12 0.4 2000 3000

14 0.8 1700 2500

16 0.8 1450 2200

20 0.8 1450 2200

24 1.2 1300 1900

27 1.7 1200 1800

30 2.3 1100

33 3.1 1000

36 3.1 1000

45 4.3 900

Grease shaft seal at same time as bearings. Water leakage is an

indication of insufficient grease.

4.2 Nozzles and Strainer

Flush out strainer periodically and inspect spray nozzles for proper

water delivery and pattern. Since water quality varies, a monthly

inspection, for the first year of operation is recommended, in order

to determine a maintenance schedule.

4.3 RotoClone Inlet (Arrangement A)

Open inspection door at RotoClone inlet connection and remove any

accumulation in the inlet at the border line of the wet and dry section.

The frequency of cleaning varies for each installation and must be

determined by frequent inspection when RotoClone is first placed in

service. Clean out before accumulation obstructs one-tenth of cross

section area or inlet connection. Clean sludge from RotoClone inlet

door before closing.

4.4 Precleaner Inlet (Arrangement D)

Under certain operating conditions, a deposit of dust will occur

at the border line of the dry and wet zones in the precleaner inlet.

The removal of this deposit must become a part of regular

maintenance. The frequency of removal can be established only

by periodic inspections when the RotoClone is first put in operation.

The deposit should never be allowed to obstruct more than one

quarter of the area of the precleaner inlet.

A door is provided at the precleaner inlet to remove this accumulation.

Be sure spray nozzle is not damaged or clogged and that nozzle

orifice is vertical. Gasket seal should be cleaned before closing

inlet door.

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Aaf-international Type W RotoClone User Manual Page 7

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