FORM 613097
Read and Save These Instructions
INSTALLATION & MAINTENANCE INSTRUCTIONS
Models PV and USPV
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 fan orifice.
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 his own decision as
to 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.
CAUTION! Provide fire extinguishers, or 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 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 to indoor storage. 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 wheels or propellers 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 wheels and propellers 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. Fans 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 in hazardous environments
where fan’s electrical system could provide ignition to
combustible or flammable materials, unless unit is
specifically built for hazardous environments.
3. If the fan manufacturers prefab curb is used, a flange is
provided for mounting the damper. 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.
5. Remove motor compartment cover and mount motor
onto drive base. (Larger motors are shipped not
mounted because of the possibility of shipping damage.)
Refer to Figure 1 for sizes 75-240. The motor is mounted
directly to the slots on the drive base using the four
motor mount bolts with their nuts. For sizes 75-135,
motors with 1
slots on the drive base. For motors with shaft longer than
1
" (38mm) use lower set of slots on the drive base.
1
2
Belt tensioning is brought about by sliding the motor
1
" (38mm) shaft length use upper set of
2
away from the fan pulley and then tightening the motor
mount bolts and nuts.
Belt should depress its width when pressed firmly inward
at midway point between the pulleys. Connect the wiring
and conduit, if used, from the disconnect switch to the
motor.
For fan sizes 260 through 543, refer to Figure 2. Motor
adjustment rails are provided. Most motors for these
sizes are shipped separately. The motor is to be bolted
to the motor adjustment rails using the motor mount
bolts, nuts and washers. Install belt(s) and check for
tension. Belt tensioning is accomplished by loosening the
motor adjustment rail bolts and nuts, and also the belt
jack locknut. The two (2) belt jack bolts are then turned
clockwise to tighten the belt. After proper belt tension is
reached, the motor adjustment rail bolts and nuts and
belt jack locknuts must be tightened. The proper belt
tension is described above. The electrical wiring
connections can now be made and the flexible steel
conduit (where used) may be connected to the motor.
6. Turn impeller by hand to make sure it rotates freely. If
impeller hits orifice, adjust as follows:
For fans with duplex split pillow block bearings,
3-dimentional adjustment is provided. Horizontal
movement for adjustment is allowed by four (4) bolts in
the separator pan. Loosen the four nuts in the outer
edge (one in each quadrant) of the separator pan for
adjustment in all horizontal positions, re-tighten the four
nuts. Vertical movement for adjustment is allowed by
two (2) slots in the motor base bearing housing at the top
and bottom. The set screws can be loosened and the
shaft can be raised or lowered. Then the set screws
must be re-tightened following the set screw tightening
procedure in Table 1.
Fans with unitary pillow block bearings have the same
adjustment capability and is accomplished in the same
manner as described above with one exception. The
vertical adjustment is carried out by loosening the
bearing set screws and carefully sliding the fan shaft to a
new location. Tighten all bearing set screws (see Table 1
for torque recommendations) into the fan shaft when
complete.
WARNING! Do not damage the orifice when adjusting
the wheel.
7. CAUTION! Guards must be installed when fan is within
reach of personnel or within seven (7) feet (2.134m) of
working level or when deemed advisable for safety.
8. CAUTION! Before proceeding, make sure electrical
service to fan is locked in “OFF” position.
9. All wiring should be in accordance with local ordinances
and the National Electric Code.
10. 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 speed motors since
improper connections will damage motor and void motor
warranty. Leave enough slack in wiring to allow for
motor movement when adjusting belt tension.
11. Apply power momentarily and compare the rotation of
the impeller with the directional arrow on fan.
WARNING! Operation in the wrong direction will deliver
air but will overload the motor to the extent of blowing
fuses, and seriously damaging 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 in the motor wiring
compartment.
12. Using a minimum of eight (8) lag bolts - two (2) on each
side near corners, securely fasten fan to curb. Fasten
all bolts securely. 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. Recommended spare parts are
shown on pages 4 and 5.
CAUTION! Before proceeding, make sure electrical
service to fan is locked in “OFF” position.
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
Page 2
system. To guard against this hazard, the impeller
should be secured to physically restrict rotational
movement.
2. Impeller shaft bearings on units with duplex split pillow
block housing are permanently lubricated and do not
require relubrication. Units with unitary pillow block
bearing have grease fittings and, under normal operation
will need no relubrication for 3 to 5 years. If relubrication
is required, use a grease conforming to NLGI No. 2.
CAUTION! Lubricating bearings with a high pressure
gun can blow bearing seals and overfill the bearing with
grease. This condition can result in excessive churning
and overheating. For normal operating conditions it is a
standard practice to fill only 30% of the bearing void with
grease. Do not over lubricate.
3. Motor bearings are prelubricated. Consult information
printed on motor for lubrication instructions.
4. Check belt tension after first 48 hours of operation and
thereafter annually. Belt should depress its width when
pressed firmly inward at midway point between the
pulleys. Too much tension will damage bearings. Belt
should be tight enough to prevent slippage. When
replacing worn belt, replace motor pulley if “shoulder” is
worn in groove.
WARNING! Do not replace the motor pulley with a
larger diameter pulley. Do not replace the fan pulley with
one smaller in diameter. The pulley ratios are set so that
the motor will not be overloaded. Do not operate at
speeds higher than that cataloged for this equipment.
5. If impeller shaft bearings need replacement, replace with
bearings comparable to the original equipment. If duplex
split pillow block bearings are used, install new bearings
into neoprene rings, check correct position of impeller
with orifice, position bearings in die-formed recess and
tighten set screws. (Minimum/maximum torque settings
shown in Table 1.) Replace die-formed bearing cap and
tighten four bolts.
NOTE: If locking collar type bearing is used, collar must
first be positioned against inner race on the bearing
nearest the impeller and turned in the direction of
impeller rotation with drift pin and hammer until it locks.
Locking collars must be on the inboard (facing) sides of
the bearings. Secure the bearing to the shaft with torque
set screw. Lock and secure the other bearing to the shaft
in the same manner.
NOTE: If pillow block type bearings are used, slide
bearings onto shaft to desired location and bolt bearing
block securely to support base. Slide shaft back and
forth in secured bearing (do not drive with hammer) and
rotate to make certain it turns freely. Check correct
position of impeller with inlet orifice. Then secure
bearings to shaft by tightening set screws.
SET SCREW TIGHTENING SCHEDULE
1. Before initial operation of the fan, tighten set screws
according to the procedure outlined below.
2. After 500 operating hours or three months, whichever
comes first, tighten set screws to the full recommended
torque.
3. At least once a year, tighten set screws to the full
recommended torque.
PROCEDURE FOR TIGHTENING SET SCREWS IN
BEARINGS AND HUBS
One Set Screw Application
Using a torque wrench, tighten the set screw to the torque
recommended in Table 1.
Two Set Screw Application
1. Using a torque wrench, tighten one set screw to half of
the torque recommended in Table 1.
2. Tighten the second set screw to the full recommended
torque.
3. Tighten the first set screw to the full recommended
torque.
Table 1. Recommended Tightening Torque
for Set Screws
Set Screw Diameter Torque (in-lbs)
#10 35
1/4 80
5/16 126
3/8 240
7/16 384
1/2 744
9/16 1080
5/8 1500
3/4 2580
7/8 3600
1 5400
VARIABLE FREQUENCY
DRIVES AND MOTORS
There are occasions when a Variable Frequency Drive (VFD)
will cause poor motor performance and possible damage. To
avoid these problems, the Company recommends the
following:
1. Select compatible motor and VFD converter; if
possible, the motor and the converter should be from
the same manufacturer or at least the converter
selected should be recommended by the motor
manufacturer.
2. A motor shaft grounding system should be used to
prevent motor bearing damage from eddy currents.
NOTE: The Company will not honor motor warranty
claims if the customer fails to follow these
recommendations.
Page 3
EXPLODED VIEW OF SIZES 75 THROUGH 240
Figure 1
PARTS LIST LEGEND
No. Description Qty No. Description Qty
1 Hood 1 7 Motor Base 1
2 Windband 1 8 Separator Pan 1
3 Drive Belt* 1 9 Disconnect Switch 1
4 Motor Pulley* 1 10 Birdscreen 4
5 Fan Pulley* 1 11 Wheel Assembly* 1
6 Motor Base Support 1 12 Curb Cap 1
* Recommended Spare Parts
Page 4
EXPLODED VIEW OF SIZES 260 THROUGH 543
Figure 2
PARTS LIST LEGEND
No. Description Qty No. Description Qty
1 Upper Hood 1 7 Motor Base 1
2 Motor Support Strut 2 8 Lower Hood 1
3 Drive Belt* 1 9 Wheel Assembly* 1
4 Fan Pulley* 1 10 Birdscreen 1
5 Motor Pulley* 1 11 Disconnect Switch 1
6 Bearing Cap 2 12 Motor Adjustment Rails 2
* Recommended Spare Parts
Page 5
FAN RPM SELECTION TABLE
MODEL
SIZE
HP
0
1
FAN RPM VS NUMBER OF TURNS FROM FULL CLOSED
2
11
1
2
22
1
2
33
1
2
44
1
2
5
75E1 .25 437 419 401 383 366 348 330 312 294 — —
75E2 .25 621 596 571 546 521 495 470 445 420 — —
75E3 .25 833 802 770 739 707 676 644 613 581 — —
75E4 .25 1039 998 956 915 873 832 790 749 707 — —
75E5 .25 1228 1188 1149 1109 1070 1030 990 951 911 — —
75E6 .25 1468 1407 1345 1284 1223 1161 1100 1038 977 — —
75E7 .25 1681 1627 1573 1518 1464 1410 1356 1301 1247 — —
75E8 .25 1915 1866 1816 1767 1717 1668 1619 1569 1520 1470 1421
85E1 .25 1039 998 956 915 873 832 790 749 707 — —
85E2 .25 1228 1188 1149 1109 1070 1030 990 951 911 — —
85E3 .25 1468 1407 1345 1284 1223 1161 1100 1038 977 — —
85E4 .25 1681 1627 1573 1518 1464 1410 1356 1301 1247 — —
85E5 .25 1915 1866 1816 1767 1717 1668 1619 1569 1520 1470 1421
100E1 .25 1039 998 956 915 873 832 790 749 707 —- —100E2 .25 1228 1188 1149 1109 1070 1030 990 951 911 —- —100E3 .25 1468 1407 1345 1284 1223 1161 1100 1038 977 —- —100E4 .25 1681 1627 1573 1518 1464 1410 1356 1301 1247 —- —100E5 .25 1915 1866 1816 1767 1717 1668 1619 1569 1520 1470 1421
100F .33 2054 1968 1883 1797 1712 1626 1540 1455 1369 —- —120E1 .25 770 738 706 674 642 609 577 545 513 — —
120E2 .25 907 871 835 798 762 726 690 653 617 — —
120E3 .25 1080 1037 994 950 907 864 821 777 734 — —
120E4 .25 1304 1252 1200 1148 1096 1043 991 939 887 — —
120E5 .25 1489 1447 1404 1362 1319 1277 1234 1192 1149 — —
120E6 .25 1584 1556 1527 1499 1471 1443 1414 1386 1358 1329 1301
120F .33 1753 1692 1631 1570 1509 1447 1386 1325 1264 — —
135E1 .25 770 738 706 674 642 609 577 545 513 —- —135E2 .25 907 871 835 798 762 726 690 653 617 —- —135E3 .25 1080 1037 994 950 907 864 821 777 734 —- —135E4 .25 1304 1252 1200 1148 1096 1043 991 939 887 —- —135E5 .25 1489 1447 1404 1362 1319 1277 1234 1192 1149 —- —135F .33 1633 1586 1540 1493 1447 1400 1353 1307 1260 —- —135G .50 1875 1826 1776 1727 1678 1629 1579 1530 1481 1431 1382
150E1 .25 863 827 791 755 719 683 647 611 575 — —
150E2 .25 998 958 918 878 839 799 759 719 679 — —
150E3 .25 1088 1043 997 952 907 861 816 770 725 — —
150F .33 1187 1152 1117 1082 1047 1012 977 942 907 — —
150G .50 1363 1326 1289 1252 1215 1178 1141 1104 1067 1030 993
150H .75 1557 1520 1484 1447 1411 1374 1337 1301 1264 1228 1191
165E1 .25 863 827 791 755 719 683 647 611 575 —- —165E2 .25 998 958 918 878 839 799 759 719 679 —- —165F .33 1088 1043 997 952 907 861 816 770 725 —- —165G .50 1250 1213 1176 1140 1103 1066 1029 992 956 919 882
165H .75 1428 1379 1330 1280 1231 1182 1133 1084 1034 985 936
165J 1.00 1584 1556 1527 1499 1471 1443 1414 1386 1358 1329 1301
180E .25 657 632 607 582 557 531 506 481 456 — —
180F .33 728 711 695 678 661 645 628 611 594 578 561
180G .50 830 806 782 757 733 709 685 661 636 612 588
180H .75 951 921 891 861 831 801 770 740 710 680 650
180J 1.00 1050 1018 987 955 924 892 860 829 797 766 734
180K 1.50 1185 1151 1117 1084 1050 1016 982 948 915 881 847
180L 2.00 1316 1279 1241 1204 1166 1129 1091 1054 1016 979 941
200E1 .25 550 528 506 484 462 440 418 396 374 — —
200E2 .25 632 612 591 571 551 530 510 489 469 — —
200F .33 689 660 632 603 574 545 517 488 459 — —
200G .50 805 777 749 722 694 666 638 610 583 555 527
200H .75 907 876 844 813 782 751 719 688 657 625 594
200J 1.00 1006 976 947 917 888 858 828 799 769 740 710
200K 1.50 1140 1107 1073 1040 1006 973 939 906 872 839 805
200L 2.00 1255 1218 1181 1144 1107 1071 1034 997 960 923 886
Actual speeds may vary as much as ±5%. Based on Motor RPM of 1725.
Page 6
FAN RPM SELECTION TABLE
MODEL
SIZE
HP
0
1
FAN RPM VS NUMBER OF TURNS FROM FULL CLOSED
2
11
1
2
22
1
2
33
1
2
44
1
2
5
220E .25 514 498 483 467 452 436 420 405 389 374 358
220F .33 573 556 538 521 503 486 468 451 433 416 398
220G .50 669 649 628 608 587 567 547 526 506 485 465
220H .75 773 749 725 701 677 653 628 604 580 556 532
220J 1.00 855 829 803 777 751 725 699 673 647 621 595
220K 1.50 966 937 907 878 848 819 790 760 731 701 672
220L 2.00 1050 1018 987 955 924 892 860 829 797 766 734
240E .25 526 511 495 480 464 449 433 418 402 387 371
240F .33 572 552 533 513 493 474 454 434 414 395 375
240G .50 663 640 617 594 571 549 526 503 480 457 434
240H .75 759 733 707 680 654 628 602 576 549 523 497
240J 1.00 820 792 763 735 707 679 650 622 594 565 537
240K 1.50 938 906 873 841 808 776 744 711 679 646 614
240L 2.00 1033 1003 972 942 911 881 851 820 790 759 729
260E .25 419 406 392 379 366 353 339 326 313 299 286
260F .33 456 442 428 414 400 387 373 359 345 331 317
260G .50 526 509 492 475 458 441 424 407 390 373 356
260H .75 607 593 578 564 549 535 520 506 491 477 462
260J 1.00 646 630 613 597 580 564 548 531 515 498 482
260K 1.50 738 716 694 672 650 628 606 584 562 540 518
260L 2.00 821 796 771 746 721 696 670 645 620 595 570
300F .33 442 428 413 398 383 369 354 339 324 310 295
300G .50 493 476 460 444 427 411 394 378 361 345 329
300H .75 559 542 526 509 493 476 460 444 427 411 394
300J 1.00 605 587 569 551 534 516 498 480 462 445 427
300K 1.50 690 674 659 643 627 612 596 580 565 549 533
300L 2.00 759 742 725 707 690 673 656 638 621 604 587
300M 3.00 833 818 803 788 773 758 743 728 713 698 682
365G .50 345 334 322 311 299 288 276 265 253 242 230
365H .75 399 387 376 364 352 341 329 317 305 294 282
365J 1.00 428 415 403 390 378 365 352 340 327 315 302
365K 1.50 487 476 465 454 443 432 420 409 398 387 376
365L 2.00 542 530 518 505 493 481 468 456 444 431 419
365M 3.00 616 604 591 579 567 554 542 530 518 505 493
365N 5.00 732 719 706 693 680 667 653 640 627 614 601
425G .50 265 257 248 239 230 221 212 203 195 186 177
425H .75 301 292 283 274 265 257 248 239 230 221 212
425J 1.00 336 327 318 310 301 292 283 274 265 257 248
425K 1.50 384 375 365 356 347 338 328 319 310 300 291
425L 2.00 442 412 403 393 384 374 364 355 345 336 326
425M 3.00 479 470 460 450 441 431 421 412 402 393 383
425N 5.00 575 564 553 542 531 520 508 497 486 475 464
490H .75 257 248 239 230 221 213 204 195 186 177 168
490J 1.00 276 269 262 255 248 242 235 228 221 214 207
490K 1.50 310 303 296 289 282 275 267 260 253 246 239
490L 2.00 345 335 326 316 307 297 287 278 268 259 249
490M 3.00 398 387 376 365 354 343 332 321 310 299 288
490N 5.00 474 465 457 448 440 431 423 414 405 397 388
490P 7.50 537 527 518 508 499 489 479 470 460 451 441
543J 1.00 221 214 207 200 194 187 180 173 166 —- —543K 1.50 257 248 239 230 221 213 204 195 186 177 168
543L 2.00 283 276 269 262 255 249 242 235 228 221 214
543M 3.00 326 316 307 297 288 278 268 259 249 240 230
543N 5.00 380 373 366 359 352 345 339 332 325 318 311
543P 7.50 437 430 423 416 409 402 394 387 380 373 366
543R 10.00 483 476 469 462 455 448 442 435 428 421 414
Actual speeds may vary as much as ±5%. Based on Motor RPM of 1725.
Page 7
TERMS AND CONDITIONS OF SALE
ACCEPTANCE All orders and sales are subject to
written approval and acceptance by an executive offi
cer of the Company at Muskogee, Oklahoma, and are
not binding on the Company until so approved.
DELIVERY All shipping and delivery dates are esti
mated only. No delays in delivery will subject the
Company to any costs, damages or fees for late deliv
ery. Delivery of the products herein specified shall be
made F.O.B. point of shipment, unless otherwise
stated. The Company shall not be liable for delay due
to causes beyond its reasonable control, such as Acts
of God, acts of the purchaser, acts of civil or military
authorities, priorities, fires, strikes, floods, epidemics,
war, riots, delays in transportation, car shortages, and
inability, due to reasons beyond its reasonable control,
to obtain necessary labor, material, or manufacturing
facilities. In the event of such a delay, the date of deliv
ery shall be extended for a period equal to the time lost
by reason of the delay.
TERMS OF PAYMENT If, in the judgment of the Com
pany, the financial condition of the purchaser at any
time does not justify continuation of manufacture or
shipment on the terms of payment specified, the Com
pany may require full or partial payment in advance.
Pro rata payments shall become due as shipments are
made. Each shipment or delivery shall constitute a
separate sale, and the default of any shipment or deliv
ery shall constitute a separate sale, and the default of
any shipment or delivery shall not vitiate the contract
as to other shipments or deliveries.
PRICE ADJUSTMENT Prices are subject to change
until the Purchaser’s order has been accepted by the
Company.
SALES AND SIMILAR TAXES The Company’s prices
do not include sales, use, excise, or similar taxes.
Consequently, in addition to the price specified herein,
the amount of any present or future sales, use, excise,
or other similar tax applicable to the sale of the product
WARNING The Company products are designed and manufactured to provide reliable performance but they are not guaranteed to be 100% free of defects. Even reliable prod
ucts will experience occasional failures and this possibility should be recognized by the Purchaser and all End Users. If these products are used in a life support ventilation sys
tem where failure could result in loss or injury, the Purchaser and all End Users should provide adequate back-up ventilation, supplementary natural ventilation or failure alarm
system, or acknowledge willingness to accept the risk of such loss or injury.
WARNING DO NOT use in HAZARDOUS ENVIRONMENTS where fan’s electrical system could provide ignition to combustible or flammable materials unless unit is specifically built for hazardous environments. Comply with all local and national safety codes including the National Electrical Code (NEC) and National Fire Protection Act (NFPA).
CAUTION Guards must be installed when fan is within reach of personnel or within eight (8) feet (2.5 m) of working level or when deemed advisable for safety.
DISCLAIMER The Company has made a diligent effort to illustrate and describe the products accurately in all Company literature; however such illustrations and descriptions
are for the sole purpose of identification and do not express or imply any warranty.
herein shall be paid by the Purchaser, or in lieu thereof
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the Purchaser shall provide the Company with a tax
exemption certificate acceptable to the taxing authori
ties.
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CANCELLATION Any contract resulting from the Pur
chaser’s order may be canceled by the Purchaser only
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by negotiations and upon payments of reasonable can
cellation charges which will take into account expenses
already incurred and commitments made by the Com
pany.
DESIGN CHANGES The Company reserves the right
to make changes in design, improvements and addi
tions in and to its products any time without imposing
any liability or obligations to itself to apply or install the
same in any product manufactured by it.
TITLE The title and right of possession of the products
sold herein shall remain with the Company and such
products shall remain personal property until all
payments herein (including deferred payments whether
evidenced by notes or otherwise) shall have been
made in full in cash and the Purchaser agrees to do all
acts necessary to perfect and maintain such right and
title in the Company.
PRICE ADJUSTMENTS AND PROTECTION Prices
on products manufactured by the Company are firm for
shipment up to four months from the date of the origi
nal order entry. Such prices are subject to adjustment
if shipment is made after four months and up to ten
months from the date of the original order entry, if
products are shipped ten months from the date of the
original order entry, prices will be adjusted to the price
in effect at the time of shipment automatically. All com
plete component accessory material manufactured by
others and furnished with the Company’s products
such as motors, drives, vibration equipment, controls
or other completely assembled component structures,
are subject to adjustment to the price at time of ship
ment regardless of the date of original order entry.
SAFETY ACCESSORIES The Company manufactures
products designed to serve multiple applications and
offers a wide range of safety equipment, including
guards and other devices, as may be required to meet
customer specifications. Without exception, the Com
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pany recommends that all orders include applicable
safety devices. Products ordered without applicable
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safety devices is clearly the responsibility of the Pur
chaser. Further, the Purchaser warrants that it has de
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termined and acquired any and all safety devices re
quired for products sold by the Company. Weather
covers and guards for motor and V-belt drives, cou
plings, shafts and bearings, along with inlet and outlet
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screens, are optional accessories noted in the price
list.
GOVERNING LAW The rights, obligations and reme
dies of Purchaser and the Company, the interpretation
of these terms and conditions and the sale of products
by the Company shall be governed by Oklahoma law,
without regard to any principles of conflict of laws.
ARBITRATION Any dispute arising under or in con
nection with these terms and conditions or the sale of
products shall be settled by binding arbitration admin
istered by the American Arbitration Association under
its Commercial Arbitration Rules, and judgment on the
award rendered by the arbitrator may be entered in
any court having jurisdiction thereof. The dispute shall
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be resolved by one neutral arbitrator who shall have no
affiliation with either Purchaser or the Company and
shall be selected by the American Arbitration Associa
tion office in Dallas, Texas. The arbitration proceed
ings shall be held in Muskogee, Oklahoma.
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APPLICABLE DOCUMENTS The agreement be
tween the Company and the Purchaser relating to the
products includes these terms and conditions of sale,
any applicable installation and maintenance instruc
tions provided by the Company and any terms appear
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ing on the Company’s quotation, sales order acknowl
edgment and invoice.
LIMITED WARRANTY
WARRANTY AND DISCLAIMER: the Company ex-
tends this limited warranty to the original purchaser
and warrants that products supplied by the Company,
shall be free from original defects in workmanship and
materials for two years from date of shipment (except
for the warranty periods noted for products listed be
low), provided same have been properly handled,
stored, installed, serviced, maintained and operated.
This warranty shall not apply to products which have
been altered or repaired without the Company’s ex
press authorization, or altered or repaired in any way
so as, in the Company’s judgment, to affect its perfor
mance or reliability, nor which have been improperly
installed or subjected to misuse, negligence, or acci
dent, or incorrectly used in combination with other sub
stances. The Purchaser assumes all risks and liability
for results of use of all products.
Evaporative cooling pads are warranted to be free of
defects in materials and workmanship for a period of
two years from date of shipment provided same have
been properly handled, stored, installed, serviced,
maintained and operated; and further, not subjected to
excessive heat, corrosive agents or chemicals, or me
chanical abuse that may cause tearing, crushing or un
due deterioration, nor used on a system or in a manner
other than that for which it was designed as explained
in the product literature.
The following products are warranted to be free of de
fects in materials and workmanship for the periods
shown from date of shipment: the Company’s exclu
sive duplex split pillow block bearings and shaft five
years, belts one year, Polyethylene tubing 90 days,
AIR40 Heater warranty one year, AIR40 Emitter war
ranty three years and DDP fan lifetime warranty on its
propeller, cone, and housing.
LIMITATION OF REMEDY AND DAMAGES: All
claims under this warranty must be made in writing and
delivered to P. O. Box 978, Muskogee, Oklahoma,
74402, within 15 days after discovery of the defect and
prior to the expiration of two years from the date of
shipment by the Company of the product claimed de
fective, and Purchaser shall be barred from any
remedy if Purchaser fails to make such claim within
such period.
Within 30 days after receipt of a timely claim, the Com
pany shall have the option either to inspect the product
while in Purchaser's possession or to request Pur
chaser to return the product to the Company at Pur
chaser's expense for inspection by the Company. The
Company shall replace, or at its option repair, free of
charge, any product it determines to be defective, and
it shall ship the repaired or replacement product to
Purchaser F.O.B. point of shipment; provided, how
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ever, if circumstances are such as in the Company’s
judgment to prohibit repair or replacement to remedy
the warranted defects, the Purchaser's sole and exclu
sive remedy shall be a refund to the Purchaser of any
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part of the invoice price, paid to the Company, for the
defective product or part.
The Company is not responsible for the cost of re
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moval of the defective product or part, damages due to
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removal, or any expenses incurred in shipping the
product or part to or from the Company’s plant, or the
installation of the repaired or replaced product or part.
The warranties set forth above do not apply to any
components, accessories, parts or attachments manu
factured by other manufacturers; such being subject to
the manufacturer’s warranty, if any. To the extent not
prohibited by the manufacturer’s warranty, the Com
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pany shall pass through to Purchaser such manufac
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turer’s warranty.
THE COMPANY’S WARRANTY IS IN LIEU OF ALL
OTHER WARRANTIES, EXPRESS OR IMPLIED,
ARISING BY LAW OR OTHERWISE, INCLUDING
WITHOUT LIMITATION THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PAR
TICULAR PURPOSE, WHICH ARE HEREBY EX
PRESSLY DISCLAIMED AND WAIVED. THIS WAR
RANTY CONSTITUTES THE COMPANY’S SOLE
AND EXCLUSIVE WARRANTY FOR DEFECTIVE
GOODS AND PURCHASER’S SOLE AND EXCLU
SIVE REMEDY FOR DEFECTIVE PRODUCTS.
No employee, agent, dealer, or other person is autho
rized to give any warranties on behalf of the Company
or to assume for the Company any other liability in
connection with any of its products except in writing
and signed by an officer of the Company.
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REPLACEMENT PARTS If replacement parts are or
dered, purchaser warrants that the original compo
nents in which these replacement parts will be placed
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are in satisfactory working condition, and when said re
placement parts are installed, the resultant installation
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will operate in a safe manner, at speeds and tempera
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tures for which the original product was purchased.
TECHNICAL ADVICE AND RECOMMENDATIONS,
DISCLAIMER: Notwithstanding any past practice or
dealings or any custom of the trade, sales shall not in
clude the furnishing of technical advice or assistance
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or system design. Any such assistance shall be at the
Company’s sole option and may be subject to addi
tional charge.
The Company assumes no obligation or liability on ac
count of any recommendations, opinions or advice as
to the choice, installation or use of products. Any such
recommendations, opinions or advice are given and
shall be accepted at Purchaser's and End User's risk
and shall not constitute any warranty or guarantee of
such products or their performance.
LIMITATION OF LIABILITY The cumulative liability of
the Company to the Purchaser and any other persons
for all claims in any way relating to or arising out of the
products, including, but not limited to, any cause of ac
tion sounding in contract, tort, or strict liability, shall not
exceed the total amount of the purchase price paid for
those products which are the subject of any such
claim. This limitation of liability is intended to apply
without regard to whether other provisions of this
agreement have been breached or have proven inef
fective even if the Company has been advised of the
possibility of such claims or demands. In no event
shall the Company be liable to the Purchaser or any
other person for any loss of profits or any incidental,
special, exemplary, or consequential damages for any
claims or demands brought by the Purchaser or such
other persons.
INDEMNITY The Company’s maximum liability to Pur
chaser and to any end user is as set forth above. The
Company makes no warranty to anyone for any prod
ucts not manufactured by the Company and shall have
no liability for any use or installation of any products
(whether manufactured by the Company or other man
ufacturers) not specifically authorized by this sale.
Purchaser acknowledges various warnings by the
Company regarding the products and its installation
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and use. If the Company incurs any claims, lawsuits,
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settlements, or expenses (including attorney fees) for
any loss, injury, death or property damage including,
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but not limited to, claims arising out of the Purchaser’s
or any end user’s installation or use of the products,
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the Purchaser shall indemnify and hold the Company
harmless.
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March 2006 613097
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