Ingersoll-Rand Doosan HP675WCU-T3, Operation & Maintenance Manual

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Maintenance Operation & Maintenance Manual
Book 22826226 69
NOTE: If the rated operating pressure cannot be maintained with engine
at full load speed, turn regulator adjustment screw (H) clockwise and
adjust service valve until engine maintains rated full load speed.
4. Insure that pressure is maintained at rated pressure, then turn regulator
adjustment screw (H) counter clockwise until engine speed just begins to be
reduced.
NOTE: Turning regulator adjustment screw (H) clockwise will raise
pressure at full speed.
5. Close service valve (engine will slow to no load or idle speed).
6. If necessary, repeat steps 3 and 4.
7. At pressure regulator (PR) tighten lock nut (G).
8. Ensure unloader solenoid (US) acts to hold pressure in inlet unloader (IU) after
shutdown. After start-up, the compressor controller will open unloader solenoid
(US).
Wheel Torque Chart - Inch Wheel Torque Chart - Metric
1/2” lug nuts Torque (Ft-Lbs) Torque (N-m) Torque (ft-Lbs)
13” Wheel 80-90
15” Wheel 105-115 M12 Bolts 85-95 62-70
16” Wheel 105-115 M14 Bolts 145-155 107-115
16.5” Wheel 105-115 M16 Bolts 175-185 129-137
5/8” Lug Nuts M18 Bolts 205-215 151-159
16” Wheel 190-210
17” Wheel 190-210
9/16” Clamp nuts/
Demountable Wheels
14.5” Wheel 105-115