Residual Hydraulic Pressure Dump Procedure
The following procedure outlines the method of relieving the residual pressure within the
hydraulic system. It is essential that this procedure is carried out before any
maintenance or repairs are attempted on the hydraulic system.
1. Set the booms into the fully folded position.
2. Place chocks to the front and rear of both wheels to prevent the machine from
moving.
3. Lower the digger assembly to the ground.
4. Lower the harvester onto the drawbar stand or jack and disconnect it from the tractor
leaving the hydraulic and electrical connections in place.
5. Switch off the tractor engine.
6. Operate all switches on the control consoles, in turn, to remove any remaining
pressure within the hydraulic system.
7. Disconnect the hydraulic and electrical connections from the tractor.
Rear Axle Self-centring
The rear axle self-centring mechanism is combined with the wheel position indicator
(item 1, fig 31) and is used to bring the harvester wheels back to the straight ahead
position after manoeuvring. The proximity switches (item 2, fig 31) sense the position of
the indicator. The centre position is factory-set but may need to be adjusted after a
period of service. Should the cable (item 3, fig 31) be in need of adjustment, the wheels
will tend to centre to a RH bias. To correct the centre position, the cable can be reset by
means of the cable adjuster. The setting of the proximity switches (item 2, fig 31) in the
axle position indicator will only need adjustment if the unit has been dismantled for any
reason and should be carried out by a competent service engineer.
Proximity Switch Adjustment
The proximity switches fitted to both the axle self-centring mechanism and the automatic
depth control are factory set and in normal circumstances should not require
adjustment. Should it be necessary to readjust the proximity switches then the settings
shown (see figure 32) should be obtained.
MAINTENANCE
1.34
Fig 31
Fig 32
Summary of Contents for TSP 1900
Page 2: ......
Page 4: ......
Page 10: ...1 5 SAFETY PRECAUTIONS ...
Page 11: ...SAFETY PRECAUTIONS 1 6 ...
Page 12: ...1 7 SAFETY PRECAUTIONS ...
Page 13: ...SAFETY PRECAUTIONS 1 8 ...
Page 18: ...1 13 INSTALLATION Fig 5 ...
Page 46: ......
Page 48: ......
Page 49: ...Circuit 1 Auxiliary Hydraulics DIAGRAMS 2 1 ...
Page 50: ......
Page 51: ...Circuit 2 Primary web secondary web transfer stars agitators 4 roller sizer DIAGRAMS 2 2 ...
Page 52: ......
Page 53: ...Circuit 3 Omega scrolls clod rollers 7 roller sizer LH boom motor feed web DIAGRAMS 2 3 ...
Page 54: ......
Page 55: ...Electrical Circuit Schematic DIAGRAMS 2 4 ...
Page 56: ......
Page 57: ...Valve Plug Connection to Circuit Board DIAGRAMS 2 5 ...
Page 58: ......
Page 59: ...Valve Plug Wiring Identification DIAGRAMS 2 6 ...
Page 60: ......
Page 61: ...Control Cable Wiring Identification DIAGRAMS 2 7 ...