DOA HD 13 Safety, Operation And Maintenance Manual - Page 18
Browse online or download pdf Safety, Operation And Maintenance Manual for Drill DOA HD 13. DOA HD 13 18 pages. Hydraulic hammer drill
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PROBLEM:
THE TOOL BIT KEEPS TURNING ALSO WHEN TRIGGER IS
CAUSE
Broken return spring of trigger
The ON OFF valve of trigger is dirty
All parts produced by DOA s.r.l. are guaranteed for a period of twelve months from the date of
delivery to the final customer, against defect of: material, workmanship-assembly.
Cost of labour and transports are not covered by warranty and should be paid by the customer.
Parts and complete components not produced by DOA such as engines, compressors, alternators,
etc., are covered by the warranty of the manufacturer.
Batteries of power packs and "worn out " accessories, such as chisel bits, drill bits, cut off discs,
flexible hoses, quick couplers, or other accessories that have not an identification number, are
covered by a LIMITED WARRANTY OF THREE MONTHS from the date of starting.
DOA reserves the right to substitute only those parts recognized to be defective after an inspection
of DOA engineers under warranty at its own expenses and in its own plant.
If the repairs during the warranty period are performed by the customers, DOA will reject any
charge for labour expenses.
THE WARRANTY WILL BE AUTOMATICALLY VOIDED IF:
•
Repairs are performed using non original, adapted or modified parts.
•
The maximum hydraulic values of pressure, back pressure and flow are exceeded, or the
filtration and other operative conditions of the hydraulic circuits are inadequate to power DOA
tools.
•
If the tool has been modified or used in excessive heavy applications or different from its
natural applications.
•
If the attached WARRANTY CARD is not properly filled and mailed to DOA.
In any case the warranty excludes any redraft or reimbursement for damages of any kind and there
are not other explicit or implicit warranties besides the above mentioned one.
FOR ANY CONTROVERSY, THE COMPETENT COURT IS IN COMO-ITALY
RELEASED
SOLUTION
STOP WORK IMMEDIATELY
Control , repair and contact the nearest
DOA service agent
Control and clean, change and control
hydraulic power pack oil filter