Operator's Manual
Comb Side-Delivery Rake TWIST 600
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8. POSSIBLE MALFUNCTIONS AND THEIR REPAIRS
Tab. 3. Possible malfunctions, their reason and example solutions
Malfunction
Reason
Recommendations
Working unit will not lift/lower
hydraulically
Damaged or soiled components of
hydraulics
Replace or clean fastening
elements of hydraulic assembly
Damaged hydraulics of the tractor
Examine condition of tractor's
hydraulic assembly
Cylinder is not tight
Contaminated oil in the tractor
’
s
hydraulics
Replace oil in tractor's hydraulic
assembly (recommended oil
purity class acc. to NAS 1638 a
minimum is 9-10). Provide brand
new cylinder repair kit and
replace worn gaskets
The rake leaves or throws a
considerably large part of swath
Bent or missing raking tines
Replace with new ones and mount
properly
Inadequate rotary speed
Adjust rotary speed
Incorrect raking height
Adjust the raking height as in item
5.4. Preparing rake for operation
9.
RAKE REPAIR AND WITHDRAWAL FROM USE
9.1.
Repair
Before any repair or service works clean the machine thoroughly and remove any possible
grass, dirt or mud remaining after raking.
After having inspected all bolt connections and pins for clearance, assess whether the machine is in
proper operating condition. Replace any worn or damaged bolts, pegs, pins, etc. with new ones.
NOTE:
Before any repair works disconnect the machine from the tractor.
Once the machine is repaired perform the following:
make sure that all elements are installed properly,
make sure that all nuts and screws are tightened properly,
start up the machine to check for its proper operation after the repair.
9.2.
Disassembly and withdrawal from use
If the machine cannot be repaired any more, it should be withdrawn from use. Therefore drain
oil from hydraulic assembly and thoroughly clean any excess oil with proper cleaning agent,
remove any plastic parts. Deliver them to a proper waste treatment company.
Remaining metal parts should be delivered to a breaker's yard. After that, the machine can be
scrapped.
NOTE:
When disassembling the machine pay particular attention to additional
dangers as crushing, cutting, wounding, concussion. Use proper tools and
personal protective equipment: protective gloves, clothing, shoes, goggles,
etc. Pay attention so that the machine works efficiently, and therefore it is
required to secure the machine with supports.
