Yanmar 4LHA-STP - Page 526

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