ENGINE
PB-8010, EB810
49
A
B
1.0mm
Oil seal section
Dust lip
Seal lip
7-4 Testing crankcase and cylinder sealings (continued)
11. Remove pressure tester (C) and pressure con-
nector (B). Remove pressure rubber plug 91041
(A1) and (A2).
7-5 Replacing oil seal
1. Preheat crankcase for easier replacement.
WARNING DANGER
When using a heat gun, wear gloves. Other-
wise, a burn will result.
2. Pry out defective oil seal from crankcase.
NOTE:
Be careful not to damage housing of oil
seal in crankcase.
3. Apply grease on dust lip and seal lip of new oil
seal (A) to avoid damage of lips while inserting
crankshaft into oil seal.
4. Lubricate circumferences of oil seal with thinner.
5. Preheat crankcase for easier installation. Then
push oil seal (A) by 1.0 mm (0.04 in.) deep using
suitable tool (size; inner dia. 17 mm or more, outer
dia. 25 mm or less) (B).
B
A1
A2
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