Pre-Start And Start-Up - Carrier WeatherExpert 50LC14 Installation Instructions Manual

SET
SCREW
TORQUE ALL SHEAVE SET SCREWS TO 110-130 in. lbs

Pre-Start and Start-Up

This completes the mechanical installation of the unit. Refer to the
unit's Service and Maintenance manual for detailed pre-start and
start-up instructions.
DEFLECTION = BELT SPAN
64
STRAIGHT
EDGE
SET
SCREW
Fig. 91 — V-Belt Force Label
MOUNTING
BOLTS (4)
Fig. 92 — Belt Drive Motor Mounting
BELT SMALLEST
CROSS SHEAVE
SECTION DIAMETER
3.0-3.6
A, AX
3.8-4.8
5.0-7.0
3.4-4.2
B, BX 4.4-5.6
5.8-8.6
BELT CONDITION
NEW
USED
BLOWER PULLEY
V-BELT
MOTOR
PULLEY
MOTOR
MOTOR MOUNTING
PLATE
79
Table 1
BELT DEFLECTION FORCE (LBS)
UNNOTCHED
NOTCHED BELTS
BELTS
USED NEW USED
3.7 5.5 4.1
4.5 6.8 5.0
5.4 8.0 5.7
— — 4.9
5.3 7.9 7.1
6.3 9.4 8.5
Table 2
TENSION FORCE IN BELT (LBS)
100
80
NEW
6.1
7.4
8.4
7.2
10.5
12.6