Fig. 15 - Fan Data Plate - Belt Tension; Fig. 16 - Belt Tensioning Gauge - York eco2 050 Installation Operation & Maintenance

Maintenance
An incorrectly aligned and tensioned belt can sub stan -
tial ly shorten belt life or overload blow er and motor
bear ings, shortening their life ex pect an cy. A belt ten-
sioned too tightly can over load the motor electrical,
causing nui sance trip ping of the motor overloads and/or
motor fail ure and/or shaft fail ure.
Belt Replacement
Always replace belts as a set. Follow the steps below
to replace belts:
1. Release the tension on the belts by loos en ing the
ad just ing nuts on the fan motor.
2. Remove old belts and recheck the sheave align ment
with a straight edge.
3. Install the new belts on the sheaves.
Never place the belts on the sheaves by using a screw-
driv er to pry the belt over the rim of the sheave. This
will damage the belts permanently.
FIG. 15 – FAN DATA PLATE - BELT TENSION
46
FIG. 16 – BELT TENSIONING GAUGE
Belt Tensioning:
Belt tension information is included on the fan skid data
plate as shown in Fig. 13. Sample data plate shows 4.3
lbs pressure at .30 inches deß ection.
A Browning Belt tension gauge is used in Fig. 14 to
prop er ly tension belts.
00494VIP
FORM 100.50-NOM1 (604)
LD06354
YORK INTERNATIONAL