Seawater Pump (If Equipped)
Seawater Pump—Exploded View
56534
20
211
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Ref. No. Qty. Description
Torque
Nm lb‑in. lb‑ft
1 1 Seawater pump bracket
2 1 Seawater pump cover (with air fittings)
3 2 M6 x 16 hex head cap screw 10 88.5 –
4 2 M6 x 10 hex head cap screw 10 88.5 –
5 1 Housing seal with integrated rear wear plate
6 1 Impeller
7 1 Impeller housing
8 2 Blue drain plug (with O‑ring) Hand tight
9 1 M8 x 20 hex head flange screw 24 – 17.7
10 3 M8 x 35 hex head flange screw 24 – 17.7
11 1 Rear oil seal
12 1 Bearing shaft assembly
13 1 Retaining ring
14 1 Lip seal
15 1 Hub
16 1 Pulley
17 4 Pulley screw 24 – 17.7
18 1 90° 5/32 in. air fitting 4 35.4 –
19 1 90° 3/16 in. air fitting 4 35.4 –
20 1 M10 x 35 hex flange screw 40.7 – 30
21 1 M10 hex flange nut 67.8 – 50
Seawater Pump Replacement
NOTE: The seawater pump does not need to be removed for servicing the impeller or wear plate.
All Models
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 6A-5
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