Service Manual

CYLINDER BLOCK AND BEARING 10-2
CAUTION: Be sure cylinder and hone are centered
and aligned with drive shaft and drill spindle.
(7) Coat inside of cylinder with honing oil. Start
drill press. Move hone up and down in
cyl-
inder spprox. 20 cycles-per-minute.
(8) Check diameter of cylinder regularly during
honing, using an inside micrometer.
Stop drill press before measur-
ing, and remove hone from cylinder.
CAUTION: Finish should have
a 40 to 60 degree
cross-hatch pattern.
Do not use solvent or gasoline.
(9) Clean cylinder thoroughly. Use soap, warm
water and clean rags. Clean cyl. wall for
a
"white glove" inspection. A clean white rag
should not show soil from the cyl. wall.
(10) Dry cylinder and coat with engine oil.
CAUTION: Cylinder must
be thoroughly cleaned
after honing to eliminate
all grit.
Bearing driver Ball bearing Crankcase cover
BALL BEARING INSPECTION
1. Clean bearing in high flash point solvent
throughly and dry
it.
2. Spin bearing by hand and check for play.
Replace bearing if
it is noisy, or does not
smoothly spin, or has excessive play.
AXIAL RADIAL
PLAIN BEARING INSPECTION
The camshaft bearings and PTO journal bearing
Cylinder block and covers should be replaced
are
cast with the cyl. block and covers.
if scored or worn.
1. Measure camshaft bearing on block with an
inside micrometer or telescoping gauge.
BALL BEARING REMOVING
Ball bearings are press-fit into crankcase and
case cover.
1. Remove oil seals on crankcase. Oil seal should
2. Place crankcase on a bench with oil seal side
3. Using a bearing driver, drive out bearings
not be reused once removed.
UP.
as shown.