WP7 Euro
Ⅵ
Vehicle Diesel Engine User Service Guide
24
approval of the leader.
(2) Three guarantee period
● For the Weichai’s end products, the three-guarantee service and warranty start
from the purchasing date and take the Weichai invoice and warranty card or
dealer’s invoice as the basis (the warranty period of marine engine starts from the
commissioning date).
● For the engines matching with vehicles, the three-guarantees service and warranty
should be implemented in accordance with the agreement. If the vehicle
manufacturer has specific provisions on the “Three Guarantees” warranty of
diesel engine, the provisions of vehicle manufacturer shall be followed firstly
based on the warranty card attached. Otherwise, the provisions of Weichai shall
be followed. The “Three guarantees” service and warranty period shall start from
the actual purchasing date of the vehicle and shall be based on the sales invoice
and warranty card.
● For damages of Weichai spare parts due to original quality problem, the “three-
guarantees” period of assemblies is 3 months, that of basic parts is 1 year, and no
warranty is provided for the wear parts, rubber parts, piston rings, oil seals,
bearings, bolts and fuel injector matching parts once they are mounted on the
engine. For quality problems of basic parts during within “three-guarantee”
period, after site confirming and getting effective photos by service personnel of
stationed abroad service center and effective photos, the working hours fee for
“three guarantees” service will be charged for “three-guarantee” service. The
“three -guarantees” period of spare parts is based on the date of the purchasing
invoice issued by the central warehouse storage or authorized service center. For
quality problems due to assembling, Weichai will not provide the “three
guarantees” service.
4. No “three guarantees” for the following situations
● Engine failures caused by improper operation, maintenance and matching;
Damages or failures caused by loading/unloading during user’ transportation;
operation conditions exceeding the range specified in the operating manual of the
product, mismatching, overload or overspeed operation, running-in and
maintenance not carried out according to the operating manual, or use of inferior
oil/fuel, antifreeze and filters (air, fuel and oil).
● Failures caused by self modifying, adjusting or dismantling any parts which are
not allowed in Manual.
● Oil, antifreeze, filter element, hose, belt and fuel injector matching parts which
are replaced in normal use, consumption or maintenance.
● No warranty card, invoice or cannot demonstrate that the products are still within
