Caution, Notice, Lubrication – RIDGID GP90135 User Manual
Page 11: Start-up

11
Remove the dipstick/ breather and fill
pump with 12 ounces of oil. Use single vis-
cosity, ISO 100 (SAE 30), non-detergent
compressor oil; or Mobil 1
®
5W30 or
10W30 synthetic oil may also be used. See
illustration for proper oil fill.
THIS UNIT CONTAINS NO OIL!
Follow lubrication instructions
before operating compressor.
!
CAUTION:
Lubrication
Dipstick
Add Oil
Fill
Line
Max
Low
1. Fill engine with oil and gasoline per
instructions furnished with engine.
2. Remove the compressor dipstick
breather and fill pump to the proper oil
level.
3. Turn regulator knob counterclockwise
to open air flow.
4. Turn manual unloader lever up to a
horizontal position to allow the com-
pressor pump to run without com-
pressing air.
Start-Up
To ensure proper operation,
unit must be on a level surface.
NOTICE:
Manual Unloader Lever in the
Unloaded Position