Service Manual

Deglazing Cylinder Bore
Deglaze the cylinder bore if there are no scuff marks
and no wear or
out of round beyond specifications,
before installing new rings. Deglazing gives a fine
finish, but does not enlarge cylinder diameter,
so
the original pistons with new rings may still be used.
The reason for deglazing a cylinder is to provide
cavities to hold oil during piston ring break-in.
1. Wipe cylinder bore with a clean cloth that has
been dipped in clean, light engine oil.
2. Use a brush type deglazing tool with coated
bristle tips to produce a crosshatch pattern in
the cylinder bore.
3. Use a slow speed drill to drive the deglazing
tool. Move the deglazing tool up and down in
the cylinder
(10 to 12 complete strokes) rapidly
enough to obtain a crosshatch pattern
(Figure
11-32).
Improper cylinder cleaning wlll
result In englne damage. Do not use gaso-
line, solvents, or commercial cleaners to
clean cylinder
bore.
4. Clean cylinder bore thoroughly with soap,
water and clean rags. Continue cleaning until
a
clean white rag shows no discoloring when
wiped through
the cylinder bore.
PRODUCE CROSS AVOID THIS FINISH
HATCH SCRATCHES FOR
FAST
RING SEATING
C-1091s
FIGURE 11-32. CROSSHATCHING
11-18
BALL BEARINGS
I
The oil base holds one crankshaft bearing. The en-
gine block contains one camshaft bearing, one
crankshaft bearing and
two balancer shaft bear-
ings. Use a bearing puller to remove these bear-
ings. Clean the bearing mounting surfaces and
press new bearings back in.
OIL SEAL
Use an oil seal remover to pry the oil seal out of the
engine block. Clean the oil seal resting surface and
lubricate the surface before installing a new oil seal.
Press the new oil seal into the engine block until the
oil seal is flush with the cylinder block boss. Lubri-
cate the lips
of the oil seal with a light coating of
grease. This provides initial lubrication until engine
oil reaches the seal.