Kohler KDW 502 User Manual

- 71 -
KD 702_1003_1404 Workshop Manual_cod. ED0053029340_1° ed_
6
134
133
131
135
132
A B C D
a
0,80÷0,85 34 150 16 5°
A mm 0,130÷0,313 0,5
B mm 23,05÷23,10 23,50
Piston coolant nozzles
Caution – Warning
The piston has a recess so that during up-down
movements and vice versa it cannot come into contact with
the nozzle.
When remounting the nozzle be careful that it is placed
so that when the piston goes past it is in the centre of the
recess.
Components:
1 Washer
2 Nozzle
3 Washer
4 Joint (tighten to 12Nm)
5 Valve (opening pressure = 1÷1.2 bar)
6 Spring
Characteristics (mm):
Shoulder half rings
So as to keep them in their seats during assembly, put a bit of
grease.
The half-rings must be assembled with the slots A as in the
gure.
Thickness of half-rings is equal to 2.31÷2.36 mm.
They are supplied as spare parts as increased thickness 0.1
and 0.2 mm, see below.
Crankshaft axial clearance
After tightening the main bearings measure the axial clearance
A between the crankshaft ywheel side shoulder and the main
bearing half rings.
If the clearance is not within the given value check value B.
If need be, t oversized half rings, see below.
Limit value
Ref.
Clearance
Disassembly / Reassembly

Kohler KDW 502 Specifications

General

Brand	Kohler
Model	KDW 502
Category	Engine
Language	English