Sakai SV510-III, Shop Manual

Page: 65 / 248

4-012
HYDRAULIC SYSTEMS
2-2-4. Propulsion hydraulic motor (rear)
SV510- -04006
12
1 2
11 10 8
(back of 9)
6 7 5 4 3
Motor circuit diagram
SV510- -04007
2.45MPa
11L/min
32.0/80.7
cc/rev
SER
VO
n
8
9
12 7 10 3
4
11
2
1
(1) Servo pressure gauge port : 9/16-18UNF (7) Servo pressure min. angle gauge port : 9/16-18UNF
(2) Drain port [RMT] : 1 1/16-12UN (8) Port A (Forward) [RA] : SAE 1”
(3) Speed pickup (9) Port B (Reverse) [RB] : SAE 1”
(4) Drain port : 1 1/16-12UN (10) High pressure gauge port (For Port A) : 9/16-18UNF
(5) Charge pressure relief valve (11) High pressure gauge port (For Port B) : 9/16-18UNF
(6) Loop flushing shuttle valve (12) Servo pressure max. angle gauge port : 9/16-18UNF
Motor specifications
Displacement (max.) • : 80.7 cm
3
/rev ( 4.92 cu.in./rev )
(min.) : 32.0 cm
3
/rev ( 1.95 cu.in./rev )
Charge relief valve pressure setting • : 2.45 MPa ( 355 psi ) (at 11 L/min)
Allowable motor case pressure • : 0.3 MPa ( 43.5 psi ) or less
Weight • : 32 kg ( 71 lbs. )