TYM T233 HST, Service Manual

Page: 57 / 232

SECTION 1. SPECIFICATIONS 2
Item Specification
Displacement Pump 0~25
㎤
/rev.
Motor 25
㎤
/rev.
Charge pump 3.7 cc/rev
Swash plate angle(Pump) 0
±
16..3
°
(deg)
Swash plate angle (Motor) 16.3
°
(Deg)
Direction of Rotation(View from input shaft end) C.W
Charge relief setting Pressure( at 2700 rpm ) 9~10 Kgf/
㎠
Casing Pressure Within 1.0 Kgf/
㎠
Charge suction back pressure Within 0.2 Kgf/
㎠
Filteration 10
㎛
Strainer 150 mesh
Contamination Grade Within NAS 9
Max.Input Horse power 27 ps @ 2700 rpm
Rated speed 0~2700 rpm(Max. speed:3200 rpm)
Pressure Relief Valve setting Pressure 310
±
5 Kgf/
㎠
at 2 ℓ / min
Cracking Pressure 290
±
5 Kgf/
㎠
over at 2
ℓ
/ min
Working oil THF500
4-2
Case Drain Temperature +10
°
C~+90
°
C(-20
°
C~100
°
C/ within 5minutes)
Max.Vibration Within 9 G (88.26
㎨
)
Efficiency Pressure(Kgf/
㎠
) 80 150 230 At N=2700rpm
Ө =16.3deg
(Representative 50 ℃ )
Volumetric Efficiency(%) 96 94 90
Overall Efficiency(%) 57 70 71
Neutral Range(Sum of both direction )
(Note1. When it starts)
Min 1~Max. 2
deg(Min.0.017 rad)
(Max.0.035 rad)
At N=2700rpm
∆ P=60 Kgf/
㎠
(at delivery time : 50 ℃ )
Ratio of output speed over input speed 1
±
0.03 ∆ P=0 Kgf/
㎠
( Ө =Max deg(50 ℃ )
Control force -0.8~+2.6 Kgf.m
(-7.84~25.5 N.m)
At N=2700 rpm
∆ P=Min~200Kgf/
㎠
Trunnion shaft moment -1.2~+2.8 Kgf.m
(-11.76~27.4 N.m)
At N=2700 rpm
∆ P=Min~200Kgf/
㎠