Yanmar 4LHA-STP User Manual

Chapter 6 Cooling Water System
3. Fresh Water Pump
,4LHA Series
Measuring clearance between impeller and pump body.
Thickness gauge
Measuring clearance between impeller and pump body
bracket.
Straightedge
Thickness gauge
mm (in.)
Standard
Wear limit
Clearance between
impeller and body
0.3 ~ 1.1
(0.0118 ~ 0.0433)
1.5
(0.0590)
Clearance between
impeller and plate
1.5
(0.0590)
S-3

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