New Holland LW270, Руководство по обслуживанию

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Carefully read personal and machine SAFETY PRECAUTIONS (at the beginning of this manual)
0 - 8 LW270
SPECIFICATIONS - WHEEL LOADER
L
W270
ENGINE
Make and model .......................... CUMMINS M11C
Net power at the flywheel ........................... 199 kW
Maximum power speed ........................... 2100 rpm
Maximum torque ................................. 128.5 daNm
Maximum torque speed ........................... 1300 rpm
Diesel type, 4 stroke, direct injection, turbocharged
Number of cylinders .............................................. 6
Bore x stroke .................................... 125 x 147 mm
Total displacement ................................ 10800 cm
3
Valve/rocker operation lash:
- intake ..................................................... 0.35 mm
- exhaust .................................................. 0.70 mm
Firing order ........................................... 1-5-3-6-2-4
Minimum starting temperature: ..................... - 20°C
Engine coolant high temperature sender setting .....
.............................................................. 101 + 2 °C
Engine oil low pressure switch setting ....................
.................................... 0,5 ± 0,1 bar (at idle speed)
ENGINE SPEEDS
Minimum idle speed (no load) .................... 720 rpm
Maximum idle speed (no load) ................. 2310 rpm
Converter stall speed ....................... 2200 ± 50 rpm
Steering stall at idle speed > ...................... 600 rpm
Attachment stall ............................... 2250 ± 50 rpm
Full stall ......................................... 1990 ± 100 rpm
TORQUE CONVERTER
Type: Niigata 13.5" (MS370) single-stage, single-
phase
Main converter pressure ................................... bar
Converter safety valve pressure .................. 7.2 bar
Oil pump flow rate (at 2100 rpm) ............................
..................................................... Front 84.2 lt/min.
..................................................... Rear 92.7 lt/min.
Main pressure on the control valve ....... 21
˜
24 bar
Transmission disengagement sensor ..... 15 ± 1 bar
Transmission induction sensors to gear teeth adjust
Clearance .......................................... 0.5
÷
0.8 mm
Transmission oil high temperature sensor setting ..
............................................................... 122 ± 3°C
AXLES
Axles complete with disc brakes in oil bath.
Self-locking differentials.
Planetary final drives.
Stiff front axle, support structure type
- reduction ratio ...................................... 1 : 25.381
Oscillating rear axle, support structure type
- reduction ratio ...................................... 1 : 25.381
TIRES
Type .................................. 26.5 R25 XHA tubeless
Inflating pressure
- Work:
front = 4.25 bar
rear = 2.75 bar
- Transfer: front = 2.00 bar
rear = 2.00 bar
Wheel tightening torque ......................... 78.8 daNm
BRAKES
Delivery brakes pump at nominal speed .. 29.7 lt/min.
Accumulator recharge start pressure ...... 80 ± 5 bar
Accumulator recharge end pressure ..... 110 ± 5 bar
Accumulator pre-charge pressure (1.4 lt) ..... 45 bar
Transmission disengagement pressure switch
Setting .......................................................... 15 bar
Brake oil low pressure sensor setting ........... 60 bar
Brake lights pressure switch setting ............ 1.8 bar
Parking brake applied pressure switch setting .......
ON 10 bar - OFF 15 bar
STEERING SYSTEM
Cylinders ........................................ 2 double-acting
- bore x stroke ................................... 80 x 542 mm
Stand-by/main priority valve setting ............ 206 bar
MARKING : LW270
IDENTIFICATION - 2678.260.00.1
TRANSMISSION
Maximum ground speeds (forward/reverse) in kph
(with 26.5 R25 XHA tires):
Forward speed kph Reverse speed kph
First 7.58 First 8.16
Second 13.81 Second 14.85
Third 22.12 Third 23.66
Fourth 37.14 Fourth 38.62