Seawater Pump Removal; Heat Exchanger - Hyundai Seasall S250S Workshop Manual

Engine Mechanical System
Removal
Seawater Pump
1. Remove clamps and hoses connect to sea water
pump inlet and outlet.
2. Remove three bolts fixing cylinder block.
Tightening torque:
11.8 ~ 14.7Nm (1.2~1.5kgf.m, 8.7 ~ 10.8lb-ft)
3. Remove impeller housing cover.
4. Remove impeller inside the seawater pump using
tools.
5. Check the condition of impeller and bushing.
6. Check the condition of cam
7. Apply soap water on impeller when assembling the
impeller and reassemble towards rotation direction.
◉ CAUTION
Take CAUTION in order the direction of curved fan to
be in the right direction when using the impeller.
8. Reassemble aligning axis of impeller shaft and
engine cam.
9. Apply lubricant O-rings on inserting parts and cover
and assembly.
◉ CAUTION
13
Make sure you use new O-ring after seawater pump
reassemble.
10. Tighten seawater pump with three bolts.
11. Place hoses and clamps.
12. Complete the reassembly and start the ignition.
Then check any oil leakage out of shaft.

Heat Exchanger

1. Open the drain plug to remove engine coolant from
heat exchanger.
2. Remove all hoses and clamps connected to heat
exchanger.
3. Unscrew three bolts fixing heat exchanger.
Tightening torque:
44.1 ~ 49.0Nm (4.5 ~5.0kgf.m, 32.5 ~ 36.2lb-ft)
Cooling System