Tadano GR-300EX-3, Руководство по обслуживанию

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Y-3. Y-3.
Adjusting Pressure (Pneumatic Pressure)
23
WY03-0432E
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.
123
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.
120
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
121
Light-off pressure
540
+59
–49
5.5
+0.6
–0.5
78
+8.5
–7
Air pressure switch
(stop lamp)
Operating pressure 29
+20
–10
0.3
+0.2
–0.1
4.2
+3
–1.5
108
Air low-pressure
switch (parking brake) Operating pressure
372 ± 20 3.8 ± 0.2 54 ± 3 107
△
0
345-800-02000