Front Pto On 6000 - Valtra 6000 Workshop Manual

46. Front PTO
1. Description
A. Front PTO on 6000---8150 tractors
The front PTO is an alternative equipment. The front power
lift linkage is also fitted together with the front PTO.
The front PTO unit is attached in place of the tractor front
piece. The front PTO unit is powered via a drive shaft in the
front end of the engine crank shaft. The PTO unit has its
own hydraulic circuit with a pump, and is not connected to
the tractor hydraulic system.
On tractors with the front PTO, the engine radiator with its
cowl and the fan have been modified as well as, the fan belt
Picture 13. Hydraulic circuit of the front PTO,
6000---8150.
1. Gear wheel pump (output 4,5 l/min)
2. Pressure oil (1,8 MPa) to the solenoid valve
3. Pressure valve, 1,8 MPa.
4. Oil into cooler
5. Oil cooler
6. Cooler by ---pass valve, 0,3 MPa
7. Oil from cooler
8. Suction pipe
9. Oil pressure into multi ---disc clutch (1,8 MPa)
10. Solenoid valve
11. Oil filling plug/oil level (oil amount 4 l)
12. Oil draining plug
13. Replaceable oil filter
14. PTO shaft
Model
6000-- 8150
1. 4. 1997
pulleys of the crankshaft (the fan ratio has been changed
on 8150 tractor, and also the belt pulleys and v ---belts).
The front PTO is engaged and disengaged with the aid of a
rocker switch in the cab. In the cab lever console, on the
PTO wire loom, there is an electric box, which creates a
progressive engagement of the front PTO.
In the PTO housing, there is a hydraulic multi ---disc clutch,
into which pressure oil is conducted via a solenoid valve
(proportional valve) on the front side of the PTO unit.
845
Code Page
463 3