Cummins mercruiser qsd 4 2 350 hp diesel engine service repair manual sn:88401000 and above

Page 64

Maintenance

6. Disconnect the seawater inlet hose from the connector on the seawater pump hose and drain.

c c

a

a

b

b

23649

23480

2.8 a - Seawater inlet hose b - Connector

4.2 c - Seawater pump hose

7. Repeatedly clean out the drain holes using a stiff piece of wire until the seawater section is completely drained. 8. On models equipped with a seawater strainer, remove the hose at the seawater strainer and drain the hose completely. Drain and empty the seawater strainer. Reconnect the hose and tighten the hose clamps securely. Install the sealing washer and drain plug.

c

c

b

a

25936

a - Seawater strainer b - Sealing washer and drain plug

c - Hose

9. After the seawater has completely drained, apply sealant to the threads of the drain plugs or fittings (if equipped). Install and tighten the drain plugs or fittings securely. Description

Tube Ref No. 19

Perfect Seal

Where Used

Part No.

Drain plug or fitting threads

92-34227 1

10. Reconnect the hoses. Tighten the hose clamps securely.

Sterndrive Water Inlets Check 1. Obtain a piece of wire the appropriate size to insert into the water inlets holes. CMD-4082040 / 90-866941 NOVEMBER 2007

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