In order
to make the after-sales service more reasonable and orderly,rules
are made as follows:
I、 Within the maintenance period
1、 According to the company's quality standard , piston, valve, oil
cylinder are provided after-sale services within one year or working
hour amounts to 1400 hours (whichever comes earlier)The front and
back brackets are provided after-sale service within 6 months ,while
the other parts 3 months(incidental damages ,man-made errors and non-original
parts are not included).The guaranteed maintenance period starts when
the product is checked and accepted.
2、If serious quality problem occurs within the maintenance period,it
is allowed to change a new one for free.For example,the quality problem
within piston, valve, or oil cylinder which fail the operation of
the hydraulic breaker.
3、If some mechanical parts such as installed pipeline accessory as
well as axle or the bushing has quality problem within the maintenance
period ,manufacturer provide free accessories , while dealer change
them independently.
4、If serious quality problem occurs within the maintenance period,
we promise: problems are to be handled within 24 hour within 500 kilometers
while it is beyond 500 kilometers,treatment will be taken within 72
hours
5、 Clients can enjoy the production testing and maintaining by manufacturer
periodically within the maintenance period
6、 Maintenance is not provided as follow conditions, even in the maintenance
period.
Damages caused by accident , improper or careless use or natural disaster
.
Damages caused by using non-original DBB or attaching other mechanical
parts without written permissions by DBB.
We are not liable for technical errors or changes by non authorized
agent ,which may affect stability or the performance of original equipment
according to the DBB’s judgement .
II、 Beyond
the maintenance period
1、 Manufacturer are under an obligation to help clients with their
problems, even provide door-to-door service according to the actual
matter.
2、The accessory needed must be ordered in advance , and the payment
must be fullly transferred to our account . We will deliver goods
in four working days after receiving the payment.,or you can contact
our authorized agents for purchasing.
3、 If door-to-door service is required, charge is as follows : ¥50
Yuan per hour within 50 kilometers;beyond 50 kilometers, besides
¥50 Yuan per hour,the fee for traffic,meals and accommodation are
required.
4、 The details of fault, adoption for mending ,and the list of accessory
replaced must be filled out by maintenance technician seriously
,and clients should sign to confirm.
III、 Double Bull Co., Ltd reserves
the right to explain all the items above
Appendix:the list of fragile parts
1、Thrust bush (Front Cover)
2、Ring bush
3、Rod pin
4、Stop pin
5、Front head pin
6、Rod
7、hermetic ring
8、flooding circle
9、stop valve
10、electro-hydraulic reversal valve
11、pipeline
12、screw of side panel
The fragile mechanical parts listed above vary differently from
different operation method and working object. We indicate the extent
of ullage to remind you of changing in time. Details are in the“Operating
Manual”
When oil or nitrogen leaks, hermetic ring should be changed
For rod’s change :different operation methods have various effect
,so when there is dispute , refer to “ guaranteed quality standard
for the rod of DBB
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