SERVICING

 

SERVICING

 

 

 

65 DHW FLOW SWITCH REPLACEMENT

 

1

Disconnect the electrical supply.

B

2

Remove the front panel of the case (refer to frame 42).

 

3Disconnect the connector A and remove the switch B by delicately levering it upwards with a screwdriver.

4Replace the switch and re---assemble in reverse order

A

66DHW FILTER AND FLOW LIMITER REPLACEMENT

1Disconnect the electrical supply.

2Remove the front panel of the case and empty the DHW circuit.

3Remove the flow switch A (see frame 65).

4Unscrew the body C and extract the flow switch group.

5To remove the filter B from the flow switch group separate it from the threaded ring by levering it.

6Re---assemble in reverse order.

A --- flow switch

C--- body

O--- ring

Spring

Magnetic ring

Float

Flow limiter

Threaded ring

B --- filter

Flow limiter

The mini HE C24 model is factory fitted with a 10 litre/min. flow limiter.

The mini HE C28 model is factory fitted with a 12 litre/min. flow limiter.

The mini HE C32 model is factory fitted with a 14 litre/min. flow limiter.

Table 11

Nominal flow rate (litres/min)

Colour

 

 

10

Yellow

 

 

12

Brown

 

 

14

Pink

 

 

To install the threaded ring with the flow limiter:

1Disconnect the electrical supply.

2Remove the front panel of the case and empty the DHW circuit.

3Remove the flow switch A (see frame 65).

4Remove the flow switch group (see frame 66 above)

5Unscrew the threaded ring and remove it from the body C.

6 Extract the flow limiter.

7Fit the correct colour coded limiter (see Table 11 above) and screw the threaded ring tight into the body C.

8Re---assemble in reverse order.

46

mini HE --- Installation & Servicing

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Mamiya C28, C32, C24 manual Servicing DHW Flow Switch Replacement, DHW Filter and Flow Limiter Replacement, Flow limiter

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.

Next in line, the Mamiya C24 offers a slightly more compact and lighter design, making it an appealing option for documentary and street photographers. While still featuring the electronic leaf shutter system utilized in the C32, the C24 omits built-in metering, which encourages users to develop their exposure skills. The lens selection remains robust, with options ranging from wide-angle to telephoto, allowing for creative versatility. The C24's rugged build quality and reliable shutter performance make it a trusted companion in various shooting conditions.

Lastly, the Mamiya C28 provides a perfect blend of portability and advanced capabilities. With its ergonomic design and improved lens coatings, the C28 offers enhanced image quality with better contrast and sharpness. Similar to its predecessors, it utilizes an interchangeable lens system but enhances user convenience through quick-to-use shutter speeds and aperture settings. The camera is also compatible with a range of accessories, such as flash units and close-up attachments, further expanding its creative potential.

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.