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PERIODIC MAINTENANCE

74 JH Series Operation Manual

Figure 15

There are two types of special service

tools for removing the impeller:

Puller A (standard)

Part No. 129671-92110

Figure 16

1. Remove the side cover of the seawater

pump.

2. Install puller (Figure 16, (A)) in the

impeller.

3. Turn the jack screw (Figure 16, (B))

clockwise to remove the impeller from

the pump body.

Figure 17

Figure 18

Note: When replacing a used impeller

with a new one, the impeller

must have an M18x1.5 thread

(Figure 17, (1)). Turn the M18

screw side of the impeller to the

cover side and install

(Figure 18).

Puller A Jack Screw B

M18x1.5 M10x40 mm length

0004510

(1)

0004501

(B)

(A)

0004567

(1)

0004568

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Yanmar 4JH45 Spezifikationen Seite 80