13-25-600 Page 60
REPLACING THE MOTOR SHEAVE
1.
Disconnect, lockout and tagout the power supply to the starter
2.
Remove the enclosure panel under the control box.
3.
Remove the fan guard and fan orifice.
4.
Remove side door panel.
5.
Loosen bolts holding airend to support, then loosen nut on jackbolts so that airend lowers,
loosening the belts.
6.
Remove the 3 screws holding the fan to the fan bushing, remove the fan.
7.
Remove the belts.
8.
Remove the 3 screws in the fan bushing assembly to bushing/sheave assembly. Using the screws
just removed and the jackbolt holes loosen the bushing from the sheave. They can be removed
from the airend shaft by hand, when loosened.
9.
When installing a new motor sheave and bushing, remove all protective grease from the bushing and
sheave
10.
Grease the mounting screws and lightly tighten them.
11.
Clean the shaft and mount the sheave assembly. Align the motor sheave to the airend sheave.
When mounting the sheave assembly, the bushing clamps to the shaft first, the sheave can still be
moved a little. This can affect the alignment of the sheaves.
12.
Tighten the screws evenly.
13.
Tap the bushing lightly with a drift, and retighten the screws. REPEAT THIS PROCEDURE
SEVERAL TIMES TO MAKE SURE THE BUSHING AND SHEAVE ASSEMBLY IS TIGHT ON THE
SHAFT.
14.
Fill the holes in the bushing/sheave with grease to protect them from dirt and debris.
15.
Replace the old belts with new ones. For proper belt life, use only genuine Gardner Denver belts.
16.
Check the sheave alignment.
17.
Remove the screws from the bushing/sheave assembly.
18.
Install the fan bushing assembly to the bushing/sheave assembly.Install the fan.
19.
Replace the fan orifice (center the orifice around the fan), fan guard and enclosure panels.
Summary of Contents for AirSmart Controller APEX5-15A
Page 11: ...13 25 600 Page 10 Figure 1 2 COMPRESSOR ILLUSTRATION 303ELA797 B Ref Drawing Page 1 of 2...
Page 27: ...13 25 600 Page 26 Figure 4 1 CONTROL SCHEMATIC 300ELA797 B Ref Drawing...
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