Yanmar 4LHA-STP User Manual

Chapter 7 Reduction and Reversing Gear
3. Inspection and Servicing
4LHA Series
(4)0utput Shaft
Adjust the thickness of Shim t
s
to make the backlash
of gear at 0.12 ~ 0.20 mm (0.0047 ~ 0.0079 in.)
Then measure the distances K, L and M.
o.i
t
6
= (M + L — K)
+
o' mm
(5)Standard size of parts
mm (in.)
41.0-
41.2
(1.614-
1.622)
39.4-
40.9
(1.551-
1.610)
2.1-
3.3
(0.0827-
0.12991
1.9-
2.1
(0.075-
0.0827)
26.0-
26.2
(1.0236-
1.0315)
9.0-
10.0
(0.3543-
0.3937)
14.6-
15.6
(0.5748-
0.6142)
188.0-
188.2
(7.4016-
7.4094)
23.3-
24.2
(0.9173-
0.9528)
108.6-
109.7
(4.2756-
4.3189)
23.9-
24.1
(0.9409-
0.9488)
104.8-
106.1
(4.1260-
4.1772)
22.7-
22.8
(0.8937-
0.8976)
Drive cone
neutral
center
position
66
(2.5984)
NOTE: Compare your measurements with the above standard
size. If your measurements differ greatly from the
standard sizes, the measurements may not be correct
Check and measure again.
7-1-18

Yanmar 4LHA-STP Specifications

General

Number of Cylinders	4
Fuel System	Direct Injection
Engine Type	4-Stroke Vertical Water-Cooled Diesel Engine
Displacement	3.455 L
Bore x Stroke	100 mm x 110 mm
Aspiration	Turbocharged