Sakai SW880-1, Shop Manual

Page: 35 / 428

2-007
SPECIFICATIONS
2. TABLE OF STANDARD VALUES
2-1. Engine
Item
Standard value Remarks
SW880
-1
SW990
-1
Engine model CUMMINS QSB4.5 (Diesel, EPA-Interim Tier4)
Rated output
107.6/2,500 kw/min
-1
122.0/2,500 kw/min
-1
( 144/2,500 HP/rpm ) ( 164/2,500 HP/rpm )
Maximum rpm under no load 2,500 rpm
Minimum rpm under no load 700 rpm
Cylinder head
tightening torque
1st
90 N·m
(
66 lbf·ft
)
2nd 90 N·m
(
66 lbf·ft
)
3rd Tighten additional 90°
Intake manifold tightening torque 24 N·m ( 18 lbf·ft )
Exhaust manifold tightening torque 43 N·m ( 32 lbf·ft )
Valve clearance (intake) 0.254 mm ( 0.01 in. )
Valve clearance (exhaust) 0.508 mm ( 0.02 in. )
Crankcase blowby
101.6 mm of H
2
O
(
4.0 in. of H
2
O ) Use mano meter
58 L/min
(
2.048 cfm
)
2-2. Propulsion
Item Standard value Remarks
Travel speed
(Forward/reverse) 1st
4,000 vpm 0 to 7.2 km/h ( 0 to 4.5 mph )
3,000 vpm
0 to 5.5 km/h
( 0 to 3.4 mph )
2,500 vpm
0 to 4.5 km/h
( 0 to 2.8 mph )
2nd
0 to 11 km/h
( 0 to 6.8 mph )
2-3. Hydraulic System
Item Standard value Remarks
Propulsion
High pressure relief valve
setting
40.2
± 1.0
MPa ( 5,829
± 145
psi ) Differential pressure
Cut off valve pressure setting 37.3
± 1.0
MPa ( 5,409
± 145
psi ) Differential pressure
Charge relief valve setting 2.5
± 0.2
MPa ( 362
± 29
psi ) at 2,600 min
-1
Front motor flushing valve
pressure setting
2.5 MPa ( 362 psi )
Case pressure
Pump 0.4 MPa ( 58 psi ) or less
Front motor 0.3 MPa ( 43.5 psi ) or less
Rear motor 0.3 MPa ( 43.5 psi ) or less
Brake release
pressure
Gear box —
Rear motor 1.5 MPa ( 218 psi ) or more
Rear axle —
Motor drainage
Front motor 10.7 L/min ( 2.8 gal./min )
Rear motor 10.7 L/min ( 2.8 gal./min )
Vibration
High pressure relief valve
setting
81.5
± 1.0
MPa ( 4,567
± 145
psi ) Differential pressure
Charge relief valve setting 2.5
± 0.2
MPa ( 362
± 29
psi ) at 2,600 min -1
Case pressure
Pump 0.4 MPa ( 58 psi ) or less
Motor 0.15 MPa ( 21.6 psi ) or less
Motor drainage 6.4 L/min ( 1.7 gal./min )
Steering oil pressure 17.5
± 1.0
MPa ( 2,538
± 145
psi )
(orbitroll relief pr
charge relief pressure)