Pre-Start And Start-Up - Bryant 581J-04A Installation Instructions Manual

BELT DEFLECTION FORCE (LBS)
BELT SMALLEST
UNNOTCHED
CROSS SHEAVE
SECTION DIAMETER
USED
3.0-3.6 3.7
A, AX 3.8-4.8 4.5
5.0-7.0 5.4
3.4-4.2 —
B, BX 4.4-5.6 5.3
5.8-8.6 6.3
Table 1
BELT CONDITION TENSION FORCE IN BELT (LBS)
New
Used
Table 2
Fig. 66 — V-Belt Force Label
NOTCHED BELTS
BELTS
NEW USED NEW
5.5 4.1 6.1
6.8 5.0 7.4
8.0 5.7 8.4
— 4.9 7.2
7.9 7.1 10.5
9.4 8.5 12.6
100
80
BELT TENSION METHOD — Requires
gauge that measures tension in belt in units of lbs force.
MOUNTING
BOLTS (4)
Fig. 67 — Belt Drive Motor Mounting
Pre-Start and Start-Up —
cal installation of the unit. Refer to the unit's Service Manual
for detailed Pre-Start and Start-Up instructions. Download the
latest versions from HVAC Partners (www.hvacpartners.com).
48
belt tension
BLOWER PULLEY
V-BELT
MOTOR
PULLEY
MOTOR
MOTOR MOUNTING
PLATE
This completes the mechani-