4-014
HYDRAULIC SYSTEMS
2-2-3. Propulsion hydraulic motor (F) (TW504)
TW504-04001
A
3
5
2 6
Motor circuit diagram
1
2
3
4
5
6
7
8
7
9
9
5
3 Clockwise rotation
3
5 Counterclockwise rotation
Flow of oil (Rotation direction is when
viewed in direction of arrow A.)
4
8
X
X
(1)
Charge relief valve
(6)
Parking brake pilot port
[FM3]
: G1/4
(2)
Parking brake pilot port
: G1/4
(7)
Speed change port
[FM4]
: G1/4
(3)
Port B
[FMB]
: G1/2
(8)
Manual brake release port
: M12
(4)
Drain port
[FMD]
: G1/2
(9)
Drain port
: G1/2
(5)
Port A
[FMA]
: G1/2
Specifications
Displacement
•
:
745 cm
3
/rev (
45
cu.in./rev )
Maximum working
pressure
•
:
34.3
MPa
(
4,974 psi
)
Charge relief valve pressure setting
•
:
1.67 to 1.86
MPa
( 242 to 270 psi
)
Allowable motor case pressure
•
:
0.3
MPa
(
43.5
psi
)
Brake release pressure
•
:
1.5
MPa
(
218 psi
)
Weight
•
:
77 kg
(
170
lbs.
)
Summary of Contents for SW354
Page 1: ...SW TW354 SW TW504 SHOP MANUAL 3498 6446A 1 ...
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Page 17: ...SAFETY ...
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Page 27: ...SPECIFICATIONS ...
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Page 57: ...ENGINE AND CONTROLS ...
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Page 73: ...HYDRAULIC SYSTEMS ...
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Page 141: ...ELECTRICAL SYSTEM ...
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Page 247: ...VIBRATORY DRUM REAR WHEEL ...
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Page 297: ...BRAKE ...
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Page 303: ...WATER SPRAY SYSTEM ...
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Page 311: ...INSPECTION AND ADJUSTMENT ...
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Page 347: ...TROUBLESHOOTING ...
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Page 451: ...10 101 TROUBLESHOOTING SW504 4 3 Propulsion Refer to P 10 022 ...
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Page 478: ...10 127 TROUBLESHOOTING SW504 5 HYDRAULIC SYSTEM TROUBLESHOOTING SW504 Refer to P 10 073 ...
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