OWNER’S MANUAL
SAFETY INSTRUCTIONS
Please read and keep these instructions with the fan.
MODEL: VAF8000A/A-3/B-3
For use in Non-Explosive/Non-Flammable environments only.
Purchase Date: ___________________ Serial No. ___________________
Dealer: ______________________________________
1.800.779.3267 • www.schaeferfan.com
PROBLEM
Unit will not run.
Unit runs but fan
makes loud scraping
noise.
Unit runs but
vibrates
excessively.
Unit runs but fan
does not turn.
Unit runs briefly,
then shuts off on
overload.
CAUSE
1 No power to unit.
2) Switch not on.
3) Switch is faulty.
4) Faulty / Broken cord or motor wire.
1) Unit has been severely jolted causing fan to
rub against housing.
2) Unit has been severely jolted causing
housing to deform.
1) Severe jolt has bent motor shaft causing
unit to be out of balance.
2) Fan blade damaged.
3) Dirt build up on one side of fan blade.
1) Fan is jammed against housing.
2) Capacitor wire has broken/come loose,
capacitor has failed.
3) Housing has been damaged such that it
presses on the fan blade.
1) Motor bearings are failing, or motor has
developed an internal electric fault.
2) Intake grill and/or exhaust grill is obstructed.
3) Excessive duct length.
SOLUTION
1) Plug unit in. Check circuit breaker.
2) Place in "ON" position.
3) Replace switch.
4) Perform continuity check, using volt/amp meter,
Repair/replace faulty/broken wire.
1) Remove motor and replace damaged motor
mounts.
2) Replace housing/unit as necessary.
1) Remove and replace motor. Replace fan blade if
necessary.
2) Replace fan blade.
3) Clean fan blade.
1) Remove motor and replace damaged motor
mounts. Replace fan blade if necessary.
2) Repair/replace wires/capacitor as necessary.
3) Replace housing/unit as necessary.
1) Replace motor.
2) Remove obstruction.
3) Reduce duct length to recommended maximum.
AMERIC AXIAL FAN TROUBLESHOOTING
CAUTION: All service procedures should be executed with the unit unplugged.
©2012 Schaefer Ventilation Equipment. All rights reserved.
M-VAF8000A/A-3/B-3
Item
Part#
Each
Description
1 RING-VAF8000
2
Duct Ring 20" ABS
2 Guard-VAF8000
2
Wire Guard 20"
4 HSG-VAF8000
1
Housing Blue VAF8000
5 CS253
1
Motor 5HP 3Ph
CS251
1
Motor 5HP 1Ph
6 BLD-VAF8000-60
1
60 Hz Fan Blade Assembly
BLD-VAF8000-50
1
50 Hz Fan Blade Assembly
7 MTRVN-VAF8000 2
Motor Mount Primary Vane
8 SECVN-VAF8000
4
Secondary Vane
9 0B51624X1HZ
12 Bolt 5/16"-24 x 1" Hex Zinc
10 0B1420X114HZ
24 Bolt 1/4"-20x1-1/4" Hex Zinc
11 SWPNL-VAF8000 1
Switch Mount Panel
12 0RF212OD
4
Rubber Foot
13 0RIVET6-8A-B
20 Rivet 3/16"x1/2"G ABA
14 CORD-12/4-20
1
Power Cord Black 20'
15 0MS-KTA725S10A 1
Motor Starter 440V 10A 3Ph
0MS-KTA725S16A 1
Motor Starter 220V 16A 3Ph
0MS-KTA725S25A 1
Motor Starter 220V 25A 1Ph
16 0W1132X114Z
6
Washer 11/32"x1-1/4"x1/8" Z
17 0W14X1Z
4
Washer 1/4" x 1" Zinc
18 0GSKT-8000KTA7 1
Gasket Power Panel
19 0S-KT7AYTG2
1
Operator Switch
20 0FLEXPVC12
3
1/2" Flexible PVCConduit
Item
Part#
Each
Description
21
SHACKLE58-6500G
1
Shackle 5/8" Screw Pin
22 0WNJ1420R
4
Well Nut J1420 Rubber
23 0NY51624Z
12 Nylock 5/16"-24 Zinc
24 MSBOX-VAF8000 1
Motor Starter Box
25 0B1420X112HZ
12 Bolt 1/4"-20x1-1/2" Hex Zinc
26 DINRAIL-3
1
DIN Rail 35mm x7.5mm Zinc
27 0NY1420Z
32 Nylock 1/4"-20 Zinc
28 0W14STDZ
48 Washer 1/4" USS
29 0W14SAE
40 Washer 1/4" SAE
30 0CFLT12
2
Conduit Fitting 1/2" Snap In
31 CONNECTOR34
1
Cordgrip Liq. Tight 3/4" NPT
0LNROMEX34
1
Lock Nut for 3/4" Cord Grip
0ORING214SQ
1
O-Ring 214 Square
32 0WIL10STDZ
2
Washer Internal Lock #10 Z
0RGTERM1210-10 1
Ring Terminal #10 12-10 AWG
33 0B1032X58PHRHZ 4
Bolt 10-32x5/8" Rnd Head Z
0B1032X12SCS
2
Bolt 10-32x1/2" SC Screw Z
0W10X58SS
2
Washer Fender #10
0NY1032Z
3
Nylock 10-32 Zinc
LABELVAF8000440 1
Label VAF8000 440V
