Optimal 1100, Manual

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5. Care and Maintenance
5.1 Blade Guides
The blades are furnished with plastic linings which slide on steel guides.
Once the plastic lining is worn to the point that the heads of the countersunk screws are
flush with the surface of the plastic linings, they must be replaced to prevent the screws
from damaging the guides.
IMPORTANT: Keep the guides clean.
5.2 No Lubrication
All sliding surfaces and bearings are made of plastic and do not require any lubrication.
3. Hydraulic Oil Supply
Check level of hydraulic oil regularly. For checking, retract all blades “up”
and lower the tree spade to the ground. If in that position the oil level is
below the mark of the sight glass, oil must be refilled.
5.4 Hydraulic Hoses
All hydraulic hoses must be inspected at least once per year. Damaged hoses
must be replaced. At least after 6 years all hoses must be replaced.
5.5 Cylinders
In case the tree spade is not getting used for two weeks, all piston rods of the hydraulic
cylinders must be cleaned and covered with a preserving oil film.
IMPORTANT: Tree spade must be lowered to the ground and switched
off when doing cleaning, maintenance or repair work !
Use original spare parts only !
The tree Spade must be inspected by an expert on
operational safety once per year !
Do not alter the design of the tree spade without having
consulted the manufacturer !
Check screws regularly on tight fit. Tighten firmly, if necessary !