8.2.4 Switching to LOAD
Precondition The airend discharge temperature must be at least +30 ℃
1. WARNING!
Compressed air can cause serious injury!
➤
Never direct compressed air at a person or animal!
➤ No personnel may work on the machine.
➤ All body panels must be secured in place.
➤ All access doors must be closed.
2. Press the «Load On »button.
Result The integrated
LOAD
indicator lights and the engine accelerates to maximum speed.
8.2.5 Manual pressure setting
Discharge pressure is adjusted manually on the proportional controller. The proportional controller
is located on the machine's oil separator tank cover. The required pressure can be seen on the
gauge on the instrument panel.
Pressure setting on the proportional controller can only be lower than the maximum working
pressure of the machine.
Precondition The machine is switched off.
Fig. 31 Proportional controller
1 Oil separator tank
2 Oil separator tank cover
3 Adjusting knob lock
4 «Pressure adjustment» knob
1. Open the right-hand access door.
2. Unlock the «pressure adjustment »knob by turning counter-clockwise.
3. Set the required pressure with the «pressure adjusting knob».
■ Turn clockwise to increase pressure.
■ Turn counter-clockwise to decrease pressure.
4. Re-tighten the locking device.
5. Close the access door.
6. Start the machine and switch to LOAD mode.
8 Operation
8.2 Starting and stopping
66
Service manual Portable compressor
M122 No.: 9_6974 20 E
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