61.
MD17 from and including engine no. 17973
and MD17 - HD - HE from production start.
The impeller is removed as shown in picture 60.
The pump is fitted with two ball bearings (3).
When disassembling, loosen the lock ring (2)
and press out the shaft (the bearings following
with the shaft). Press the bearings from the
shaft using a suitable drift. When assembling,
the bearings are pressed onto the shaft using
drift 884742 until the shaft bottoms in the drift.
The seals (1) are replaced according to point 63.
Smear the shaft with grease and screw it care-
fully through the sealing rings so as not to dam-
age them. Press in the shaft until the bearing
bottoms and fit the lock ring (2).
63.
Remove the sealing rings (1) and the O-rings (2)
(earlier engines) and clean the pump housing
and shaft. Replace the impeller if necessary.
Check that the shaft is free from burrs or
scratches. Inspect the carrier (MD17). NOTE! A
new O-ring (2) shall not be fitted.
Fit new sealing rings. NOTE! Turn the sealing
rings the right way round and ensure that they
do not block the drainage hole in the pump
housing. Smear the shaft with grease and fit it
carefully into the housing, screwing it through
the sealing rings to avoid damaging them.
Locate the shaft in the housing so that the
screw hole lies outside: Fit the impeller and the
screw.
Replacing the sealing rings
Pump having open shaft. The shaft has a
groove which is open at the front which is why
the impeller is assembled with the screw fitted.
Push the impeller in until bottoms.
Fit a new gasket into the cover and secure it
with the screws.
Also check the carrier screw on the camshaft.
62.
Remove the sea water pump. Watch out for wa-
ter pouring into the boat. Take off the cover and
press out the shaft and the impeller.
22
| Categories | Volvo Penta Manuals |
|---|---|
| Tags | Volvo Penta MD11C, Volvo Penta MD11D, Volvo Penta MD17C, Volvo Penta MD17D |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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