Tadano GR-500EXL-3, Руководство по обслуживанию

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Y-3. Y-3.
Adjusting Pressure (Pneumatic Pressure)
21
WY03-0450E
Y-3 Adjusting Pressure (Pneumatic Pressure)
Item
Set pressure
Remarks
No. in circuit
diagram
kPa kgf/cm
2
psi
Pressure regulator
Turning on
pressure
710 ± 20 7.2 ± 0.2 103 ± 3 Check that the air dryer
recovers its
performance during
unloading.
132
Turning off
pressure
830
+29
–20
8.5
+0.3
–0.2
120
+4
–3
Safety valve
Cracking pressure 850 8.7 123
Must be no leakage
within pressure
regulator operation
range.
129
Full opening
pressure
950 ± 20 9.7 ± 0.2 138 ± 3
Air low-pressure
switch
(total air low pressure
warning)
Light-on pressure 540
+10
–49
5.5 +0.1
–0.5
78 +1.5
–7
126
Light-off pressure 540
+59
–49
5.5
+0.6
–0.5
78
+8.5
–7
Reducing valve
For service brake
of front wheels
and rear wheels
540 ± 29 5.5 ± 0.3 78 ± 4 Check upper tank. 144
Air pressure switch
(stop lamp)
Operating
pressure
29 +20
–10
0.3 +0.2
–0.1
4.2 +3
–1.5
109
Air low-pressure
switch (parking brake)
Operating
pressure
372 ± 20 3.8 ± 0.2 54 ± 3 107
△
0
345-809-92000