AirMan PDSE900S-4B1, Instruction Manual

Page: 33 / 67

4.Operation
4
-
12
4.5 Unit Operation
Operation with compressed air supply port opened is prohibited

Do not operate the machine with service valves and relief valve
open unless air hoses and/or pipes are connected.
High-pressurized air blows out and its air pressure could cause
injury to the people nearby.

When the machine has to be unavoidably temporarily operated
with its port open, be sure to mount a silencer to reduce noise
and wear protective materials such as earplugs to prevent
damage to hearing.
D003
4.5.1 Procedure to Start the Unit

Be sure to let unit warm-up after starting for smooth operation of the engine and the compressor.
Do not operate the engine at full load immediately after it starts up. This will shorten the equipment life.

During the warm-up operation, examine the different parts of the equipment for any looseness, leakage
of water, oil, fuel, and other irregularities.

Also, make sure that warning lamps are off.
(Procedure)
①
Close fully service valves
“
1
”
.
②
Set the starting unloader valve
“
2
”
to “START”
position.
③
Keeping pressing Stop button
“
3
”
, turn the
starter switch
“
4
”
to
“
START
”
position for
cranking operation. (Repeat cranking
operation 2 to 3 times about 4 to 5 seconds.)
④
Turn the starter switch to
“
GLOW
”
position
for preheating. (Time required for preheating:
about 20 to 40 seconds )
⑤
Immediately after finishing preheating, turn
the starter switch
“
4
”
to
“
START
”
position to
start engine.
⑥
Once the engine has started up, leave it
running to warm-up for 5 minutes. The
discharge air pressure in this condition ranges
from 0.39 to 0.49MPa.
⑦
After warm-up of the unit, put the starting
unloader switch
“
2
”
back to its “RUN” position,
and open the service valve The unit is now
ready to operate.

Be sure to turn the starting unloader valve
“
2
”
to “RUN” position prior to work. The discharge
pressure does not increase as long as the
starting unloader valve stays at “START”
position.

Adjustment of air delivery with the service valve
“
1
”
opened by halves can cause trouble. So
adjust air delivery with the
service valve “1” fully opened
.
Be sure to warm-up
3
1
2
RUN
START
TR0415-2
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