Pikey
Dummy Ejection Facilitator..
PTO Hydraulic pump Probably one of these
Mechanical - Drum & Cable - Hydraulic power from gearbox PTO unit
Principal of operation
The transfer box is placed in neutral, and 3rd gear is engaged, the hydraulic pump is selected for operation by a gear lever in the cab which engages the pump with PTO gear on the end of the gearbox main shaft. The pump supplies pressurized oil to the valve body which is also mounted with a control lever in the cab. The lever has a 3 positions - idle, cable in and cable out. The vehicle can either winch itself out as above or with the transfer box in low range and any gear selected, it can operate both the winch and drive the wheels.
Pros and Cons
It is a very reliable, strong winch where the cable speed can be varied from very fast down to painfully slow because the engine speed can be varied and the gear in the gearbox can be selected and finally, the valve block lever can be operated only partially - This gives extreme control of the entire system - especially for hoisting operations.
The winch uses a worm and roller drive mechanism which is a fail safe system compared to the planetary drives of other winches, enabling it to be used for hoisting operations.
The system only fits Series vehicles, fittings can be made for newer vehicles but besides that the 25L oil tank does tend to take up a lot of space. The system is also very heavy and bulky - it will appeal to hardened purists and those that like agricultural type fittings.
History
This rather rare winch is a combination of two original Land Rover components - As fitted to vehicles from the 1960's onwards.
The first part is a Dowty 3000 Psi hydraulic pump which is fitted to the PTO (Power Take Off) port of the gearbox. This is fed by a 25 litre oil tank fitted to the chassis of the vehicle behind the rear left wheel.
This unit is used to drive anything from a fire water pump or a jackhammer to the jaws of life and a winch.The winch is driven by a virtually identical Dowty motor unit on a huge brass worm drive mechanism.
The drum & cable winch which was originally fitted to the front of Series Land Rovers, and to the middle, underneath of SANDF Series 2A and 2B Forward Controls.
Mechanical - Drum & Cable - Hydraulic power from gearbox PTO unit
Principal of operation
The transfer box is placed in neutral, and 3rd gear is engaged, the hydraulic pump is selected for operation by a gear lever in the cab which engages the pump with PTO gear on the end of the gearbox main shaft. The pump supplies pressurized oil to the valve body which is also mounted with a control lever in the cab. The lever has a 3 positions - idle, cable in and cable out. The vehicle can either winch itself out as above or with the transfer box in low range and any gear selected, it can operate both the winch and drive the wheels.
Pros and Cons
It is a very reliable, strong winch where the cable speed can be varied from very fast down to painfully slow because the engine speed can be varied and the gear in the gearbox can be selected and finally, the valve block lever can be operated only partially - This gives extreme control of the entire system - especially for hoisting operations.
The winch uses a worm and roller drive mechanism which is a fail safe system compared to the planetary drives of other winches, enabling it to be used for hoisting operations.
The system only fits Series vehicles, fittings can be made for newer vehicles but besides that the 25L oil tank does tend to take up a lot of space. The system is also very heavy and bulky - it will appeal to hardened purists and those that like agricultural type fittings.
History
This rather rare winch is a combination of two original Land Rover components - As fitted to vehicles from the 1960's onwards.
The first part is a Dowty 3000 Psi hydraulic pump which is fitted to the PTO (Power Take Off) port of the gearbox. This is fed by a 25 litre oil tank fitted to the chassis of the vehicle behind the rear left wheel.
This unit is used to drive anything from a fire water pump or a jackhammer to the jaws of life and a winch.The winch is driven by a virtually identical Dowty motor unit on a huge brass worm drive mechanism.
The drum & cable winch which was originally fitted to the front of Series Land Rovers, and to the middle, underneath of SANDF Series 2A and 2B Forward Controls.
any use to anyone?
ah! - is that wot that means - its yours. Dunno how to get it to ya - but its yours Monseenyour.
cheers ma man i'll sort summun out fer it.
Dunno wot condition it is in. looks a bit rusty to me.
dont think so - mite have - there was a selector floating around loose, coming thro a square ally box cover. Will take a pic of that tomoz and post fur yu to confirm.
