10
INSTRUCTIONS FOR USE
1.
Description
A winch is a machine intented for harvesting felled timber from the forest. The basic
components are: welded frame, drive part, drum with wire rope, clutch, brake and
directional pulley. Using the wire rope, the logs can be towed to the moldboard and
attached with forestry chains to the grooves on the winch frame. Then the logs can be
transported to a place which is accessible by other means of transport.
2.
Required equipment of the tractor
-PTO shaft with chosen gear ratio, max. 540 RPM. -Three-point hitch of I and II category.
Maximum number of revolutions and direction of tractor PTO
shaft rotation is 540 min-1.
3.
Pto shaft adjustment
Length of PTO shaft needs to be adjusted for different tractors (figure F1
-F4). For winch
45M/MR, 55M/MR the use of PTO shaft with torque 500 Nm (type W 300E Walterscheid) is
appropriate.
Ascertain the accurate length in the following manner:
1.
Shut down the tractor.
2.
Connect the machine to the tractor.
3.
Extract the PTO shaft apart and connect the individual shaft halves to the tractor
and machine and compare them crosswise and mark them (figure F1).
4.
Shorten external and internal plastic prot
ection pipes (figure F2).
5.
Shorten external and internal slide profiles with the same distance as plastic
protection pipes (figure F3).
6.
Crop the pipe end, remove fillings and grease the slide positions well (figure F4).
