5. Inspection and servicing of basic engine parts
105
5.1.4 Replacement of cap plugs
Step
No.
Description
Procedure
Tool of material used
1
Clean and remove grease from the hole into
which the cap plug is to be driven.
(Remove scale and sealing material previously
applied.)
Screw driver or saw
blade
Thinner
2
Remove grease from the cap plug.
Visually check the nick
around the plug.
Thinner
3
Apply Threebond No.4 to the seat surface where
the plug is to be driven in.
Apply over the whole
outside of the plug.
Threebond No.4
4
Insert the plug into the hole.
Insert the plug so that it
sits correctly.
5
Place a driving tool on the cap plug and drive it in
using a hammer.
*Using the special tool, drive the cap plug so that
the edge of the plug is 2 mm (0.0787 in) below the
cylinder surface.
Drive in the plug parallel
to the seating surface.
•
Driving tool
•
Hammer
Remove foreign
materials with a
screw driver
or saw blade.
2-3 mm
3 mm
100 mm
D
d
Plug dia.
d
D
mm
12
19.9-12.0
20
30
29.9-30.0
40
45
44.9-45.0
55
25
24.9-25.0
35
