SERVICING

SERVICING

69DIVERTER VALVE ACTUATOR REPLACEMENT

1Disconnect the electrical supply.

2 Remove front casing panel (refer to frame 42)..

3 Disconnect the connectors A.

4 Remove the fixing spring B and remove the actuator C. Re---assemble in reverse order.

When reassembling the actuator, refer to the wiring diagram in frame 31 for the correct wiring connection.

C B A

70DIVERTER VALVE INTERNAL PARTS REPLACEMENT

1Disconnect the electrical supply.

2Remove front and left hand casing panels (refer to frame 42).

3Close the isolating cocks of the CH circuit and DHW supply at the bottom of the boiler.

4Release system pressure by opening the main circuit drainage cock.

Do not release CH pressure using the pressure relief valve. It may cause debris within the system to foul the valve.

5Release the pressure of the DHW circuit by opening a hot tap.

6Remove the diverter valve actuator (see frame 69).

7Remove the fork D and remove the primary circuit flow switch E.

8Disconnect both CH and DHW temperature probes F.

9Unscrew the connector G, disconnect the CH flow and DHW outlet isolator valves.

H

I

J

(rear view)

13Refer to the following exploded view to remove the internal parts of the three way diverter valve.

G

F E D F

10Remove the DHW heat exchanger (see frame 71).

11Remove the fork H and move away the pipe I.

12Unscrew the screw J and remove the diverter (flow)

group.

14 Re---assemble in reverse order.

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mini HE --- Installation & Servicing

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Mamiya C32, C28, C24 manual Servicing Diverter Valve Actuator Replacement, Diverter Valve Internal Parts Replacement

C28, C24, C32 specifications

The Mamiya C series is celebrated among photography enthusiasts for its unique twin-lens reflex (TLR) design, offering both a classic aesthetic and innovative features that set it apart in the world of medium format cameras. The C32, C24, and C28 models represent a range of technology and design advancements that cater to various shooting needs.

The Mamiya C32, introduced in the early 1970s, is renowned for its precision engineering and versatility. This model features interchangeable lenses, allowing photographers to switch between different focal lengths for creative flexibility. The camera supports 120 and 220 film formats, enabling higher film capacities for extended shooting sessions. An essential feature of the C32 is its built-in light meter, which enhances exposure accuracy by providing real-time readings. The camera's bright waist-level finder offers excellent viewing comfort and composition aid, attracting those who appreciate a more hands-on shooting experience.

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In summary, the Mamiya C32, C24, and C28 each present unique features and technological advancements that cater to various types of photographers. Whether it's the precision of the C32, the compact convenience of the C24, or the versatile performance of the C28, these cameras maintain a special place in the hearts of medium format enthusiasts, showcasing the blend of craftsmanship and innovation that Mamiya is known for.