Kohler KDI 1903M Workshop Manual

ASSEMBLY INFORMATION
9
111
EN
Important
• Before proceeding with operations, read Par. 3.3.2.
• To easily locate specific topics, the reader should refer to the analytical index or chapter index.
• The operator must check that:
1. the components, the assemblies, the coupling surfaces of the parts are washed, clean and
thoroughly dried;
2. the coupling surfaces are undamaged;
3. the equipment and tools are ready so that all work can be carried out correctly and safely;
4. ensure that the working environment is safe.
• The operator must:
1. carry out the procedures smoothly and safely. It is thus recommended to install the engine
on a special rotating stand used when servicing engines to ensure the safety of the
o
perator and the other individuals involved;
2. tighten the assemblies and / or components in a criss-cross or alternating pattern, initially
with a value lower than that preset, and then subsequently, with the tightening torque
specified in the procedure;
3. replace all seal gaskets after each assembly for all components on which they are provided.
9.3 Engine block assembly
9.3.1 Crankshaft bushings
Important
•
Execute the procedure in Par. 8.2.1 and
8.2.2, before proceeding with assembly..
•
The crankshaft half-bearings are made o
f
special material. Therefore, they must be
r
eplaced every time they are assembled
to prevent seizures.
1.
Fit the new half-bearings B onto the
crankcase upper half E adhering to the
reference notches C.
I
mportant
•
After the half-bearings are fitted, check
that the lubrication holes D correspond
with the crankcase grooves E.
•
The lower and upper half bearings
CANNOT be singularly replaced, and
both halves must be replaced together.
2.
Fit the new half-bearings A onto the lower
crankcase F using the reference notches
G.
3.
Lubricate the half-bearings A and B with
oil.
Fig 9.1
F
ig 9.2

Kohler KDI 1903M Specifications

General

Brand	Kohler
Model	KDI 1903M
Category	Engine
Language	English