MAINTENANCE
®SULLAIR®
3700 Operator’s Manual and Parts List
37
SHAFT COUPLING MAINTENANCE
The compressor unit and motor are rigidly connected via
a mounting adapter housing. This arrangement makes
coupling alignment unnecessary. The coupling is a jaw
type in shear. If the elastomeric element requires
replacement due to wear or breakage, order
replacement element no. 02250152-670, and follow the
following steps:
1. Remove the protective grill from the adapter
housing.
2. Loosen the retaining screw located on the outer
sleeve. Slide the sleeve to one side, exposing the
coupling element.
3. Unwrap the coupling element from the coupling
jaws.
4. Install the new element by wrapping it around the
jaws, engaging the cogs on the element into the
jaws.
5. Reinstall the outer sleeve and the protective grill.
6.9 TROUBLESHOOTING -
INTRODUCTION
The information contained in the Troubleshooting Guide
has been compiled from field report data and factory
experience. It contains symptoms and usual causes for
the described problems. However, DO NOT assume that
these are the only problems that may occur. All available
data concerning a problem should be systematically
analyzed before undertaking any repairs or component
replacement procedures.
A detailed visual inspection is worth performing for
almost all problems and may avoid unnecessary
additional damage to the compressor. Always remember
to:
1. Check for loose wiring.
2. Check for damaged piping.
3. Check for parts damaged by heat or an electrical
short circuit, usually apparent by discoloration or a
burnt odor.
Should your problem persist after making the
recommended check, consult your nearest Sullair
representative.
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