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NEWHOLLAND T7030.40.50.60 Repair Mannual

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TRAVELLING ­ SERVICE BRAKE Pneumatic<br />

SERVICE BRAKE Pneumatic ­ General specification<br />

Air Compressor:<br />

Location<br />

Left hand side of engine, above the alternator<br />

Drive<br />

Belt driven via crankshaft/water pump<br />

Type<br />

Single cylinder air cooled<br />

Speed<br />

3,000 rev/min<br />

Lubrication<br />

Pressure fed from engine<br />

Bore / Stroke<br />

75 mm x 36 mm<br />

Displacement<br />

159 cm3<br />

Operating Pressure<br />

18 bar (261 lbf.in2) Maximum<br />

System Operating Pressure<br />

Unload (relief) Valve Setting<br />

Low Pressure Warning Switch Operates at,<br />

7.8 ­ 8.3 bar (113 ­ 120 lbf.in2)<br />

12 bar174 lbf.in2)<br />

4.5 ­ 5.0 bar (65 ­ 73 lbf.in2)<br />

Pressure Sender Pressure (bars) 0 2 6 10<br />

Ohms 10 52 124 184<br />

Maintenance<br />

Drain Reservoir Tanks<br />

Compressor Drive Belt Tension<br />

Daily<br />

Every 300 hours<br />

2 3/5/2007<br />

D.30.E / 4

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