Scroll Air Compressors
Grease Compressor Bearings
10,000 HOURS - MAINTENANCE
Per OSHA
! WARNING regulations, ALL power must be locked out before performing any maintenance.
This service should ! CAUTION be performed by an
authorized Powerex Service Center to avoid failure.
MAIN BEARINGS
1. Remove the plastic dust cap. Use |
only one of two locations found on |
Plastic | Grease Gun |
Dust Cap |
|
Grease
Fitting
Extension
Adaptor
Counter
Weight
Key
Way45°
Figure 2
the air end (See Figure 2). |
2. Rotate the compressor pulley until |
the grease fitting is visible through |
the dust cap hole (See Figure 2). |
This will allow regreasing of the |
main bearings. |
3. Use a grease gun extension adaptor |
to engage the grease fitting and |
supply the proper volume of grease |
as indicated on the grease delivery |
chart (See Grease Delivery chart |
below & Figure 2). |
Use only Powerex genuine grease.
3.Remove the fan duct shroud.
4.Remove the three grease caps. Do not attempt to loosen or tight- en the bolt.
5.Grease all three pin crank bearings (See Figures 3, 4 & 5 and Grease Delivery Chart below).
The grease fitting, located in the cen-
ter of the pin crank bearing, feeds only the orbit scroll side bearing. Use a needle adapter to supply grease to the housing side bearing. PUMP GREASE
GUN BEFORE FEEDING TO ELIMINATE AIR FROM GREASE PASSAGE OF THE NEEDLE ADAPTER. Hold grease gun for 5 - 10 seconds after feeding to prevent grease blowback from the grease fit- ting.
6.Replace grease caps, fan shroud, pulley, etc.
(See Scroll Service and Maintenance Video for Audio and Visual Instructions.)
Pump grease gun before feeding (this eliminates air from the grease passage of the extension adapter. (Complete Grease Kit Part Number IP616200AJ and Grease Tube Part Number IP600000AV).
4. Replace plastic dust cap.
GREASING PIN CRANK BEARINGS
The bearings on the scroll compressor are regreaseable to allow extended compressor life. Service should be performed every 10,000 hours of opera- tion.
1.Remove the
2.Remove the air end pulley and cool- ing fan with a gear puller (See Figure 3).
Orbit Scroll | Housing |
Bearings | Side Bearings |
| 3 Grease Caps |
| Grease Fitting |
| Extension |
| Adaptor |
Grease
Gun
| Fan Duct Shroud | Air End Pulley & Cooling | |
Figure 3 | (Not Shown) | ||
Fan (Not Shown) | |||
|
GREASE DELIVERY
|
| SLAE03 |
| SLAE05 |
Bearing | 1st Time | 2nd Time | 1st Time | 2nd Time |
Orbit Scroll Bearing | 5 Times | 3 Times | 6 Times | 4 Times |
Pin Crank Bearing Orbit Scroll Side | 5 Times | 3 Times | 6 Times | 4 Times |
Pin Crank Bearing Housing Side | 5 Times | 3 Times | 6 Times | 4 Times |
NOTE: Each pump of the grease gun equals 0.65 grams of grease.
2