Page 207 - Womens Pavilion

“Oil-Less” Scroll Medical Air

6.0 Inspection/Replacement Procedures

6.3 Motor Lubrication Never perform any maintenance functions
while the unit is in operation.
6.3.1 Lubrication Information
Keep grease clean. Mixing dissimilar grease
This a ball or roller bearing motor. The bearings is not recommended.
have been lubricated at the factory. Motors are
pregreased. New motors that have been stored 1. Relubrication with the shaft stationary and a
for a year or more should be relubricated. warm motor is recommended.

Table 6-3 Motor Lubrication Information 2. Remove all dirt and wipe clean the outside of
the grease fi lls and drains.
Volume
Weight of Grease Total of
per Bearing, Grease Grease Interval 3. Clean the grease fi tting (or area around grease
Hp Ounce (Grams Weight (in3) (Hours) hole, if equipped with slotted grease screws).
2 .3 (8.4) 0.6 0.6 Yearly If motor has a purge plug, remove it. Motors
can be regreased while stopped (at less than
3 .3 (8.4) 0.6 0.6 Yearly
80° C).
5 .3 (8.4) 0.6 0.6 Yearly
7.5 .3 (8.4) 0.6 0.6 Yearly 4. Locate the grease inlet at the top of the bearing
10 .61 (17.4) 1.2 1.22 Yearly hub, clean the area and replace the 1/8” pipe
15 .61 (17.4) 1.2 1.22 Yearly plug with a grease fi tting if the motor is not
equipped with grease fi tting.
Note: Exxon Mobile Polyrex or equivalent grease
to be used.
5. Remove grease drain plug located opposite the
grease inlet.
6.3.2 Lubrication Procedure
6. Apply grease gun to fi tting (or grease hole). Too
WARNING: much grease or injecting grease too quickly
can cause premature bearing failure. Slowly
Before starting any maintenance
procedures, disconnect all power to the apply the recommended amount of grease,
package. taking 1 minute or so to apply.
7. Operate motor for 20 minutes, reinstall purge
plug, if previously removed.
WARNING:
8. Install grease drain plug located opposite the
Surface temperatures of motor enclosures
may reach temperatures which can cause grease inlet.
discomfort or injury. Protection should be
used to protect against accidental contact
with hot surfaces. Failure to observe this
precaution could result in bodily injury.

4107 9000 69.06 6-4