Lubricaton; Start-Up - RIDGID GP90150A Operator's Manual

Lubrication
This compressor is shipped with oil.
Use single viscosity, 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.
Refer to engine manual for proper oil level
and type.

Start-Up

To ensure proper operation,
unit must be on a level surface.
1. Fill engine with oil and gasoline per
instructions furnished with engine.
2. Remove the compressor dipstick
breather or check oil sight glass to ver-
ify proper oil level.
3. Turn manual unloader lever up to a
horizontal position to allow the com-
pressor pump to run without com-
pressing air.
Dipstick
®
Add Oil
Manual Unloader Lever in the
Unloaded Position
11
Max
Fill
Line
Low
Full
Add Oil