Vaderstad NZ Aggressive NZA 600 Series, Оригинальное руководство пользователя

Страница: 37 / 50

NZA 500-1000 /T/ST
11.07.2011
ver.2
37
4.2 No machine is better than the service it receives!
Figure 4.6
Before using the machine, check that all nuts and bolts have been tightened (this does not apply
to bolts in moving joints, such as at Crossboard, hydraulic rams, etc.). During the season, check
periodically that the nuts and bolts have not worked loose. Coat the piston rods with grease or
thick oil if the cultivator is not going to be used for a lengthier period of time and always after
cleaning it.
Follow the lubrication schedule, see ” 4.12 Lubrication points” on page 43 .
The hydraulic system will not normally require any maintenance but check that hoses and cou-
plings have not been damaged. To preserve the high quality of the cultivator, always use genuine
Väderstad spare parts.
4.3 The stretching screw of the turn buckle
Figure 4.7
Applies to NZA 700-1000
When the harrow is used for the first time, the stretching screw (A) between the turn buckle and
the ram bracket on the centre section must be tightened after several hours of operation. Undo the
securing plate and pull the stretching screw together until it is set in firm position with no play.
Do not tighten too much. Lock using the securing plate.
Following this, regularly inspect the tightening of the stretching screw.
The stretching screw doubles as a draw bar. It relieves the harrow frame from the compressing
strains caused by the lifting ram.
A