Figure 101 - Sheave Angular Misalignment; Figure 102 - Motor Base Lowered; Figure 103 - Sheave Angular Alignment; Figure 104 - Sheave Angular Misalignment - Pace PAI Installation And Assembly Manual

Indoor and outdoor air handling units
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PACE │ Installation & Assembly Manual
11. If the sheaves are still misaligned as shown in Fig-
ure 102 on page 64, make sure the belt tension
is correct, then lower the drive side of the base to
remove to remove the belt tension.
12. Loosen the mounting hardware on the opposite
drive side, and raise or lower the base accord-
ingly, and repeat Steps 6–10.
ANGULAR MISALIGNMENT

Figure 101 - Sheave Angular Misalignment

MOTOR
SHEAVE
MOTOR
PLENUM
FAN
FAN
SHEAVE
MOTOR BASE LOWERED

Figure 102 - Motor Base Lowered

Issue Date: 07/03/2018
SECTION 3 - HANDLING, STORAGE, AND INSTALLATION
13. Mark the position of the base's opposite drive side
mounting hardware before lowering the base,
which may help determine where to secure the
hardware the next time the belt is replaced.
14. Reinstall the belt.
STRAIGHT
EDGE
LD16576

Figure 103 - Sheave Angular Alignment

LD165673

Figure 104 - Sheave Angular Misalignment

64
MOTOR
BASE
ANGULAR ALIGNMENT
ANGULAR MISALIGNMENT
Form PA102.20-N1
LD165677
LD165675

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