3. ENGINE
3-
1. Micrometer
2. Crankshaft journal (PTO support bearing)
CRANKSHAFT JOURNAL DIAMETER
(PTO COVER BEARING)
34.004mm to34.020 mm
(1.3387ln to1.3394in)
CRANKSHAFT RADIAL PLAY
(PTO COVER BEARING)
If crankshaft journal diameter is out of
specification, replace crankshaft.
If crankshaft radial play (PTO cover bearing) out
of specification, replace plain bearings and
recheck.
Crankshaft Assembly
For assembly, reverse the disassembly procedure.
Pay attention to following details.
Clean the split surface on both sides (cracked area)
carefully with compressed air.
Put plain bearings correctly in place.
1. Half plain bearing of connecting rod big end
2. Split surface of the connecting rod
3. Nose of plain bearing in line with connecting
rod groove
Oil the plain bearing surface of the connecting rod
and crank pin before installation.
NOTICE Lower cap and rod must match together
since there is a cracked surface.
Oil NEW connecting rod screws
NOTICE Always use NEW connecting rod screws
at final assembly. They are not reusable.
Thread screws in the connecting rods, then tighten
as per fo11owing procedure.
NOTICE Strictly adhere following instructions:
- Do not apply any thread locker.
- The running direction of the big end bearings and
of the piston pins must not chan9e.
- Always perform each step on both connecting rod
-Failure to strictly follow procedure may cause
connecting rod screws to loosen and lead to Severe
engine damage.