Brake System Maintenance Instructions (Cont)
(38) Check inside diameter of end cover
(39) If bushing diameter is more than 0.005 in.
(O. 12 mm) larger than crankshaft diameter,
remove end cover bushing (62) from end
Remove unloader bore bushings only if
Using unloader bore bushing removal
tool, remove two unloader bore
Remove two valve seats (49).
Install unloader bore bushings (48) in
cylinder block (5).
Ream unloader bore bushings (48)
inside diameter to 0.3750 in.
Install valve seats (49) in cylinder
Adhesives, solvents, and sealing
compounds can burn easily, can give off
harmful vapors, and are harmful to skin
and clothing. To avoid injury or death,
keep away from open fire and use in
well-ventilated area. If adhesive,
solvent, or sealing compound gets on
skin or clothing, wash immediately with
soap and water.
Clean all metal parts with dry cleaning solvent.
Remove rust and scale from cavities in cylinder head and crankcase.
Clean oil passages through crankshaft, crankcase, and end cover.
Inspect all metal parts for cracks and damage.
Inspect pistons for damage and enlarged ring grooves.
Replace unserviceable parts.