- Model SF 11 (11 kWatt); s/n Aii 695 471
- Oil-free air scroll compressor
- parts # 800-290-7408 ext 2
- tech chicago # 800-290-7408 ext 1024
- Replace belts, air-filter and grease OS 1yr/5000hrs
- Clean compressor every 6 months
- Grease scroll bearing 2yr/5000hrs
- see pg 31 of manual
manual - Atlas Copco SF manual
parts - Atlas Copco SF parts/kits
Scroll_greasing - Atlas-Copco instructions for scroll service
Contactor Siemens (3RT1026-1AK60):
order -
img1 -
img2 -
img3 -
img4 -
img5 -
data_sheet
repairs1 - Repair manual from Atlas-Copco
repairs2 - Service tutorial of scroll tips etc
repairs3 - Service tutorial of scroll tips etc (another vendor further)
overview - Overview of scroll compressor
invoice - Invoice with part #'s from a repair
invoice2 - Air Engineering Invoice with part #'s
invoice_pump - Invoice for scroll replacement from Anest Iwata
Order service - Atlas Copco homepage
Order replacement parts - Air Engineering
Order replacement parts2 - Capco homepage
Atlas-Copco parts for SF11
Item |
Part # |
Cost (each) $ |
Air Filter |
1622 0658 00 |
24 |
Check Valve |
2236 0438 80 |
130 |
Outlet Pipe |
2901 1397 00 |
54 |
Tipseal Kit |
2901 1584 02 |
1049 |
V-Belts ( = 1513 0289 37) |
2903 1021 37 |
63 |
- |
- |
- |
Grease Cartridge |
2892 6100 20 |
270 |
Grease Pump |
2903 0139 00 |
166 |
Tip-seal parts received
Part # |
location |
1630 1439 00 |
Fixed scroll, High pressure (inner/shorter) |
1630 1439 10 |
Fixed scroll, Low pressure (outer/longer) |
1630 1439 20 |
Orbiting scroll, High pressure (inner/shorter) |
1630 1439 30 |
Orbiting scroll, Low pressure (outer/longer) |
1630 1439 40 |
Dust seal |
1630 1439 50 |
Dust seal (tubing goes in first to fixed scroll) |
- 13mm wrench for mount bolts, 17mm for scroll bolts, 9/32" nut drive, allen wrench 5.5mm belt tension?
- turnoff compressor with keypad
- shutoff drainvalve
- push 'test' button on automatic drainvalve and let pressure to scrolls drop
- to turn off power throw white breaker that is labelled "compressor"
- -
- remove belts by loosening 4 motor bolts then adjust tension bolts to motor with allen wrench. once belts are off
remove four bolts on scroll as well. can grease OS once scroll is free from mounts by moving slightly out while in cabinet.
- there is a thermocouple that needs a nut driver ( mm)
- -
- use airgun to clean compressors cooling fins and fan
- to replace tipseals remove 6 large bolts ( mm)
- one bolt is under cooling fan cover (short one)
- use wooden tongue depresser to push in seals as metal is too harsh
- use 6 pumps of grease for 3 crankpins that are now accessible with scroll open
- use 6 pumps of grease for OS as well
- -
- when replacing checkvalves be sure to save the stoppers for new ones!
- note to grease we need the needle point for both orbiting scroll and crankpins
April 2018 - replaced tipseals, greased crankpins and oribiting scroll,
replaced check-valves and straight pipes, replaced air filters, cleaned scroll, replaced burnt out
contactor k23.
April 2019 - replaced belts, air filters and greased orbiting scroll. Scroll
compressor number 3 froze up and needs to be replaced. Replaced 3rd (top) scroll compressor.
November 2020 - replaced belt on top scroll (3) that burnt into cover. Replaced scroll cover the belts had damaged.
Replaced air filters and greased orbiting scrolls. Reset counter for service. Ordered 6 sets of V-belts and put them in RRC.
April 2022 -
replaced air filters and greased orbiting scrolls. Reset counter for service (was at 5k, plan ab). Ordered 9 air filters.
Dec 2022 -
replaced belts on all 3. greased orbiting scroll and crankpins on all 3. replaced
K21 as scroll 3 was tripping on shutoff.
Feb 2024 -
greased orbiting scroll on all 3.
replaced 3 air filters. ordered 1 grease and 2 v-belt sets.
Compressor front panel
Compressor model number
Scroll_Compressor
Air drier
Controller