Sakai SW800-II, Shop Manual

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4-015
HYDRAULIC SYSTEMS
2-2-5. Propulsion hydraulic motor (rear) (SW850- )
2 1
6 5 8 9
3
7
4
11 10
SW800- -04005
(1) Port B (Forward) [RMB] : SAE 1 ” (7) Motor
(2) Port A (Reverse)
[RMA]
: SAE 1 ” (8) Reduction gear
(3) Parking brake pilot port [RM5] : 9/16-18UNF (9) Filler cap : 7/8-14UNF
(4) Drain port [RM1] : 7/8-14UNF (10) Shuttle valve housing
(5) High-pressure gauge port (For Port B) [RM4] : 9/16-18UNF (11) Charge pressure gauge port [RM8] : 7/16-20UNF
(6) High-pressure gauge port (For Port A) [RM3] : 9/16-18UNF
2
6 11
10
5
4
1
3
Pump circuit diagram
SW800-04021
Motor specifications
Displacement • : 65.7 cm
3
/rev ( 4.0 cu.in./rev )
Maximum working pressure • : 41.8 MPa ( 6,063 psi )
Reduction gear specifications
Reduction ratio • : 1/39.000
Propulsion hydraulic motor weight • : 191 kg ( 421 lbs. )