Geely JL481Q, Руководство пользователя

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Select new valve guide with outer diameter 0.05mm larger correspondingly. If this pore diameter on cylinder head is larger
than 11.050mm, replace the cylinder head.
5. Heat the cylinder head gradually to 80-100
o
C. Use special servicing tool and hammer to slightly knock new valve guide
in. The length extending out of the cylinder head is 12.5mm (Fig. 111).
6. Use a sharp 6mm reamer to ream the guide hole (Fig. 112), and ream the guide to the following dimension: 6.000-
6.018.mm
Dimension of valve stem is:
Intake: 5.960-5.975mm;
Exhaust: 5.960-5.975mm.
Guarantee standard oil clearance:
1. Bend the strap on ventilation baffle upwards, which prevents oil seal from sliding out.
2. Use screwdriver to pry out oil seal (Fig. 113).
3. Use special servicing tool and hammer to press in new oil seal (Fig. 114).
4. Apply a thin layer of all-purpose grease onto the edge of oil seal.
5. Restore strap on ventilation baffle to its original position.
IV. Replacement of oil seal on spark plug guide
Fig. 111 Method for knocking in new valve guide Fig. 112 Use 6mm reamer to ream valve guide pore
Adhesive tape
Fig. 113 Pry out oil seal of spark plug guide Fig. 114 Use repair tool to press new oil seal into spark plug guide
Sharp 6mm reamer
12.5mm
55