Chery QQ - Technological Process of Door Maintenance

Chery QQ Service Manual Body System
2.1.2 Technological process of door maintenance:
Generally speaking, basic method of four doors and two lids maintenance is the same as
technology of common sheet metal work maintenance; the following procedures are introduced
as follows:
(1) Initial check
Measure the relative position and dimension between gaps for door and other car body unit.
(2) Clean the door .Clean dirt and grease stain off the door with water or detergent, make it fully
dry and ready for inspection.
(3) Identification of maintenance estimation. Determine maintenance method, making
estimation for the scope and degree of door’s damage through inspection.
(4) Purge old painting .After cleaning or before repair, get rid of old painting according to
actual condition, especially in the place of obvious rust 、gap and concave ;Methods of paint
removing are introduced as follows: hand work method 、heating method、apparatus method、
chemical method。
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Chery Automobile Co., Ltd