Acme Engineering USPL Installation Manual

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INSTALLATION & MAINTENANCE INSTRUCTIONS

Models PL & USPL

RECEIVING AND INSPECTION

Immediately upon receipt of a shipment, carefully inspect for
damage and shortage. Turn the impeller by hand to see that it
turns freely and does not bind. If any damage and/or shortage
is detected or suspected, the carrier must be asked to conduct
an inspection. The consignee's representative should not
accept a shipment without a notation on the delivery receipt
indicating items not delivered or the apparent extent of
damage.

When a shipment is opened and damage is found which was
not evident externally (concealed damage), it is mandatory that
the consignee request an immediate inspection by the carrier.
Report any damage to the carrier within 15 days. Failure to
report damage within the above time limit will result in rejection
of a claim.

HANDLING

When handling fans and their accessories, always use
equipment and methods that will not cause damage. Fans
should be lifted using slings and padding or spreaders to avoid
damage.

CAUTION! Always make sure that all lifting and handling
equipment and techniques conform to current safety
standards.

Avoid lifting fans in a way that will bend or distort fan parts.
Never pass slings or timbers through the orifices of fan.

CAUTION! Do not lift by the fan hood. Fans with special
coatings or paints must be protected in handling to prevent
damage.

STORAGE

Fans are protected against damage during shipment. If they
cannot be installed and put into operation immediately upon
receipt certain precautions are necessary to prevent
deterioration during storage. Responsibility for integrity of fans
and accessories during storage must be assumed by the user.
The manufacturer will not be responsible for damage during
storage. These suggestions are provided solely as a
convenience to the user, who shall make the decision whether
to use any or all of them.

INDOOR: The ideal storage environment for fans and
accessories is indoors, above grade, in a low humidity
atmosphere which is sealed to prevent the entry of blowing
dust, rain, or snow. Temperatures should be evenly
maintained between 70°F and 105°F (wide temperature swings
may cause condensation and "sweating" of metal parts).
Windows should be covered to prevent temperature variations
caused by sunlight. Provide thermometers and humidity
indicators at several points and maintain the atmosphere at
40% relative humidity, or lower.

It may be necessary to use trays of renewable desiccant or
portable dehumidifier to remove moisture from the air in the
storage enclosure.

Thermostatically controlled portable heaters (vented to
outdoors) may be required to maintain even temperatures
inside the enclosure.

FORM 613102

CAUTION! Provide fire extinguishers, fire alarms, or
emergency response communication to protect building and
equipment against fire damage. Be sure that building and
storage practices meet all local, state and federal fire and
safety codes.

The following fans or accessories must be stored indoors, in a
clean dry atmosphere:

a. Propeller wall fans not in wall housings.

b. Any fan that is protected by a cardboard carton.

c. Motors dismounted from fans.

d. Spare wheels or propellers.

e. Belts, sheaves, bushings and other parts when not

mounted on fan.

f. Boxes, bags or cartons of hardware.

g. Curbs

h. Dampers

Remove any accumulations of dirt, water, ice or snow and wipe
dry before moving indoors. Allow cold parts to reach room
temperature to avoid “sweating” of metal parts. Open boxes or
cartons. Remove any accumulated moisture; if necessary use
portable electric heaters to dry parts and packages. Leave
coverings loose to permit air circulation and to permit periodic
inspection.

Rotate impeller by hand to distribute bearing grease over the
entire bearing surfaces.

Store at least 3 ½” off the floor on wooden blocks covered with
moisture proof paper or polyethylene sheathing. Provide aisles
between parts and along all walls to permit air circulation and
space for inspection.

OUTDOOR: Fans designed for outdoor use may be stored
outdoors, if absolutely necessary. The storage area should be
reasonably level and drained or ditched to prevent
accumulation of water. Fencing and lighting for security are
desirable. Roads or aisles for portable cranes and hauling
equipment are needed. Consider the use of drift fencing to
minimize accumulation of blowing snow or dirt.

The following fans may be stored outdoors, if dry indoor
storage space is not available:

a. Fans intended for outdoor use that are crated in wood.

b. Wall fans installed in wall housings.

All fans must be supported on wooden blocks or timbers above
water or normal snow levels. Provide enough blocking to
prevent settling into soft ground. Fans should be set in place
using the directional arrow markings on the crate as a guide.

Locate pieces far enough apart to permit air circulation,
sunlight, and space for periodic inspection. Place all parts on
their supports so that rain water will run off, or to minimize
water accumulation. Do not cover parts with plastic film or
tarps — these cause condensation of moisture from the air
passing through heating and cooling cycles.

Fan impellers should be blocked to prevent spinning caused by
strong winds.

INSPECTION AND MAINTENANCE DURING

STORAGE

Inspect fans and accessories at least once per month, while in
storage. Log results of inspection and maintenance
performed. A typical log entry should include the following:

a. Date

b. Inspector’s Name

c. Name of Fan

d. Location

e. Condition of Paint or Coating

f. Is moisture present?

g. Is dirt accumulated?

h. Corrective steps taken?

If moisture or dirt accumulations are found on parts, the source
should be located and eliminated. Fan impellers should be
rotated at each inspection by hand ten to fifteen revolutions to
redistribute the motor and bearing lubricant.

If paint deterioration begins, consideration should be given to
touch-up or repainting. Fans with special coatings may require
special techniques for touch-up or repair.

Machined parts coated with rust preventive should be restored
to good condition promptly if signs of rust occur. The most
critical items are pulleys, shafts and bearing locking collars. At
the first sign of rusting on any of the above parts, remove the
original rust preventive coating with petroleum solvent and
clean lint-free cloths. Polish any remaining rust from surfaces
with crocus cloth or fine emery paper and oil. Do not destroy
the continuity of the surfaces. Wipe clean with lint-free cloths
and recoat surfaces evenly and thoroughly with Tectly 506
(Ashland Oil Company) or equal. For hard to reach internal
surfaces or for occasional use, consider using Tectly 511M
Rust Preventive or WD40 or equal.

REMOVING FROM STORAGE

As fans are removed from storage to be installed in their final
location, they should be protected and maintained in similar
fashion, until the fan equipment goes into operation.

INSTALLATION

1. CAUTION! This unit has rotating parts and safety
precautions should be exercised during installation,
operation and maintenance.

2. WARNING! Do not use fans in hazardous environments
where fan's electrical system could provide ignition to
combustible or flammable materials, unless the unit is
specifically built for hazardous environment.

3. If prefab curb is used, damper will mount on the damper
flange provided as part of the curb. Damper should be
installed before setting Exhauster.

4. If damper box is being used, assemble box and mount in
curb before setting Exhauster. Damper may be installed
at this time if desired. Damper should be fastened to the
bottom of the damper box, curb flanges or nailing strips
in curb.

6. Remove shipping blocks from under adjusting rails.

7. Turn impeller by hand to make sure it rotates freely. If
impeller hits orifice, adjust as follows:

Loosen nuts on both sides of vibration isolators and
move adjusting rails to realign the impeller. If impeller
continues to strike, move impeller and shaft up. The
bearing support structure for models 135 through 300 is
slotted for up and down adjustment. Models 330
through 543 require sliding the shaft through the
bearings. (See Maintenance Section, No. 7 for bearing
replacement.)

8. CAUTION! Guards must be installed when fan is within
reach of personnel or within seven (7) feet (2.134 m) of
working level or when deemed advisable for safety.

9. CAUTION! Before proceeding, make sure electrical
service to fan is locked in “OFF” position. Run wires
through the internal wiring post to the motor to
disconnect switch if used. WARNING! The wiring post
is sealed to the curbcap with a large washer and sealing
gasket. If the wiring post is loosened, the seal may be
broken, thereby creating a possible water leak. Leave
enough slack in wiring to allow for motor movement
when adjusting belt tension. Some fractional motors will
have to be removed to make connection at terminal box
on end of motor; remove bolts securing motor base to
adjusting rails — do not take out motor bolts. Re-adjust
belt tension.

10. All wiring should be in accordance with local ordinances
and the National Electric Code.

11. WARNING! Check voltage at the fan to see if it
corresponds with the motor nameplate; high or low
voltage can seriously damage the motor. Extra care
should be taken when wiring two or three speed motors
since improper connections will damage motor and void
motor warranty.

12. Operate under power and compare rotation with
directional arrow. WARNING! Operation in the wrong
direction will deliver air but will overload the motor to the
extent of blowing fuses, overload protection and could
seriously damage the motor. In the case of three phase
motors, the direction can be changed by interchanging
any two of the three motor leads. In the case of single
phase motors, the reversing instructions will appear on
the wiring diagram located either in the motor wiring
compartment or on the outside of the motor housing.

13. Using a minimum of eight (8) lag bolts — two on each
side near corners, securely fasten exhauster to curb.
The fan should rest on the curb as level as possible.

MAINTENANCE

1. Under normal usage, no spare parts are recommended
for one year of operation.

2. CAUTION! Before proceeding, make sure electrical
service to fan is locked in the “OFF” position.

5. Remove motor compartment cover and mount motor if
required. Remove motor base bolts and lift motor base
from adjusting rails, secure motor to base with bolts
provided and replace on rails. Install belt and check
pulley alignment and belt tension. Belt should depress
its width when pressed firmly inward at midway point
between the pulleys.

WINDMILLING: Even when the power supply is locked
out, fans may cause injury or damage if the impeller is
subject to “windmilling” which is the turning of the
impeller and drive components due to a draft in the
system. To guard against this hazard, the impeller
should be secured to physically restrict rotational
movement.

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