Sakai TW504 - Table of Standard Values (Sw504); Engine; Propulsion; Hydraulic System

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SPECIFICATIONS
SPECIFICATIONS
6. TABLE OF STANDARD VALUES (SW504)
6-1. Engine
Item Standard value Remarks
Engine model KUBOTA D1803-CR-T-EF02
Rated output
32.8 kW
(
44 HP
)
Max. rpm under no load
2,600 min
-1
or less
Min. rpm under no load
1,000 ± 25 min
-1
Cylinder head tightening torque 93.2 to 98.0 N·m ( 68.8 to 72.3 lbf·ft )
Intake manifold tightening torque
24 to 27 N·m
(
18 to 20 lbf·ft
)
Exhaust manifold tightening torque
24 to 27 N·m
(
18 to 20 lbf·ft
)
Fan belt tension 7.0 to 9.0 mm ( 0.28 to 0.35 in. )
When midpoint of belt
pressed at 98 N
(22 lbf)
Valve clearance (intake)
0.18 to 0.22 mm
(
0.0071 to 0.0086 in.
)
Valve clearance (exhaust)
0.18 to 0.22 mm
(
0.0071 to 0.0086 in.
)
Compression pressure
Standard value 2.95 to 3.23 MPa ( 427 to 469 psi ) 290 min
-1
Allowable limit 2.35 MPa ( 341 psi ) 290 min
-1
6-2. Propulsion
Item Standard value Remarks
Travel speed
(Forward/reverse)
1st
0 to 7.5
km/h ( 0 to 4.7 mph )
2nd
0 to 10
km/h ( 0 to 6.2 mph )
6-3. Hydraulic System
Item Standard value Remarks
Propulsion
High pressure relief valve pressure
setting
34.5 MPa ( 5,003 psi )
Charge relief valve pressure setting 1.8 ± 0.7 MPa ( 261 ± 100 psi )
Case pressure
Pump 0.25 MPa ( 36.3 psi ) or less
Motor (F) 0.3 MPa ( 43.5 psi ) or less
Motor (R) 0.3 MPa ( 43.5 psi ) or less
Brake release pressure
Motor (F) More than 1.5 MPa ( 218 psi )
Motor (R) More than 1.5 MPa ( 218 psi )
Drainage
Motor (F) 4.9 L/min ( 1.3 gal./min )
Motor (R) 4.9 L/min ( 1.3 gal./min )
Vibration
High pressure relief valve pressure
setting
14.4 MPa ( 2,088 psi )
Case pressure Motor 0.5 MPa ( 72.5 psi ) or less
Drainage Motor 2.8 L/min ( 0.7 gal./min )
Steering oil pressure 13.5 MPa ( 1,958 psi )
SW504