4-008
HYDRAULIC SYSTEMS
2-2-2. Propulsion hydraulic motor (front)
2
1
6
5
8
9
3
7
4
11
10
SW800-
-04005
(1) Port B (Forward)
[FMB]
: SAE 1”
(7) Motor
(2) Port A (Reverse)
[FMA]
: SAE 1”
(8) Reduction gear
(3) Parking brake pilot port
[FMP]
: 9/16-18UNF
(9) Filler cap
: 7/8-14UNF
(4) Drain port
[FMD]
: 7/8-14UNF
(10) Shuttle valve
(5) High pressure gauge port (For Port B)
: 9/16-18UNF
(11) Charge pressure gauge port : 7/16-20UNF
(6) High pressure gauge port (For Port A)
: 9/16-18UNF
SW880-1-04002
1
11
5
10
4
2
3
6
Motor circuit diagram
Flow of oil
1
2 Clockwise rotation
2
1 Counterclockwise rotation
Motor specifications
Displacement
•
: 65.7 cm
3
/rev (
4.0 cu.in./rev )
Maximum working pressure
•
: 41.8 MPa
( 6,063 psi
)
Brake release pressure
•
:
1.5 MPa
( 218 psi
)
Allowable motor case pressure
•
:
0.3 MPa
( 43.5 psi
)
Reduction gear specifications
Reduction ratio
•
: 1/39.000
Propulsion hydraulic motor weight
•
: 191 kg
( 421 lbs.
)
Summary of Contents for SW880-1
Page 1: ...SW880 1 990 1 SHOP MANUAL 3498 6568A 0 ...
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Page 15: ...SAFETY ...
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Page 25: ...SPECIFICATIONS ...
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Page 39: ...ENGINE AND CONTROLS ...
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Page 47: ...HYDRAULIC SYSTEMS ...
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Page 83: ...ELECTRICAL SYSTEM ...
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Page 125: ...VIBRATORY DRUM ...
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Page 171: ...BRAKE ...
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Page 175: ...OPERATOR STATION ...
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Page 179: ...WATER SPRAY SYSTEM ...
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Page 183: ...INSPECTION AND ADJUSTMENT ...
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Page 209: ...TROUBLESHOOTING ...
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