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Important safety and service information
Special service tools
For safety and to help protect parts from dam-
age, use the recommended special service
tools.
Tightening torque
When tightening nuts, bolts, and screws, fol-
low the tightening instructions provided
throughout the manual. If the tightening order
is not specified, tighten the large sizes first,
and then tighten the small sizes, starting from
the center and moving outward.
Non-reusable parts
Always use new gaskets, seals, O-rings, cotter
pins, and so on, when installing or assembling
parts.
Disassembly and assembly
• Use compressed air to remove dust and dirt
during disassembly.
• Apply engine oil to the contact surfaces of
moving parts before assembly.
• During disassembly, cover all openings,
such as intake and exhaust ports, to prevent
foreign materials from entering the engine.
Foreign materials could cause severe inter-
nal damage when the engine is started.
• Install bearings so that the bearing identifi-
cation mark is facing in the direction indicat-
ed in the installation procedure. In addition,
make sure to lubricate the bearings liberally.
• Apply a thin coat of water resistant grease to
the lip and periphery of an oil seal before in-
stallation.
• Check that moving parts operate normally
after assembly.
• When starting the engine after reassembly,
check for fuel and water leaks from hoses
and pipes that were disconnected or re-
moved while servicing.
• When assembling the PTT/PT unit, do not
use a rag. Otherwise, dust and particles
could get on the PTT/PT unit components,
causing poor performance.
Disposal of used components and
chemicals
Obey all federal, state and local regulations
when disposing of used components and/or
chemicals such as crate frames, replaced
parts, gaskets, oil, and so on.
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