F4B-9 pump repair kit – code: 914300 – Mase

F4B-9 Mase pump repair kit (code 914300)

The F4B-9 pump repair kit with Mase code 914300 is a spare part dedicated to the operations of maintenance and overhaul of a pump with flexible impeller. identified as F4B-9. In the nautical field, this type of intervention is typical when you want to restore the pump's functionality and keep the water circuit efficient (for example in cooling systems and auxiliary onboard utilities).

Features and identifying details

Main data

• Brand / spare part manufacturer: Mase
• Spare part code: 914300
• Description: pump repair kit F4B-9
• Type: maintenance/overhaul kit for flexible impeller water pump
• Reference pump: Johnson Pump F4B-9

What does “repair/maintenance kit” mean in this context

This kit is designed for the restoration of the F4B-9 pump during maintenance activities. In practice, it allows replacing components that, by nature and usage conditions, tend to deteriorate over time (for example sealing elements and rubber parts).

Components normally included/associated

• Pump impeller
• Seals
• Shaft seals
• O-ring
• Pump cover sealing components (pump cover gaskets)

Important note: the actual equipment must always be checked upon receipt or through technical documentation from the manufacturer/supplier.

Typical applications in the nautical field

The pump F4B-9 is indicated as flexible impeller pump used in the marine field for water movement, particularly in cooling water circuits and in applications with sea water pumps o auxiliary pumps.

In questi contesti, la manutenzione periodica della pompa è una prassi utile per mantenere il sistema in condizioni operative e ridurre il rischio di inconvenienti legati a usura di girante e tenute.

Where it is used

• Cooling water circuits in the nautical field
• Systems with seawater pumps
• Onboard auxiliary utilities using flexible impeller pumps

Operational advantages of the kit

A dedicated maintenance kit like the Mase 914300 is useful when you want to intervene specifically on the pump F4B-9, replacing the most common wear components without necessarily having to replace the entire pump assembly.

Expected benefits (in general and unquantified terms)

• Restoration of functionality of the pump during overhaul
• Renewal of seals (O-rings, gaskets, shaft seals) to reduce leaks related to wear
• More organized maintenance: main components gathered in a single spare parts solution
• Support for operational continuity of the water circuit (cooling/services), compatible with the general condition of the pump

Usage and notes for correct identification

To avoid errors when ordering, it is recommended to always verify the correspondence between spare part code and pump model. In particular:

• check that the requested spare part is Mase 914300;
• verify that the pump to be overhauled is identified as F4B-9 (reference pump: Johnson Pump F4B-9);
• in case of doubts about the kit's equipment, compare the contents with the available technical documentation or with the pump's exploded view.

Maintenance notes (generic)

• During the overhaul, also inspect parts not included in the kit (e.g., pump body and mating surfaces) and replace/refurbish if necessary.
• Before reassembly, check the integrity of the sealing seats and the correct placement of gaskets and O-rings.
• If the pump is used in a seawater circuit, regular maintenance helps manage the typical wear of elastomeric components.

Quick purchase summary

• Product: pump repair/maintenance kit
• Model: F4B-9
• Code: 914300
• Brand: Mase
• Field of use: cooling water circuits and marine applications with flexible impeller pumps

FAQ – Frequently Asked Questions

What is the repair kit code for the F4B-9 pump?

The spare part code for the repair/maintenance kit is 914300 (Mase).

Which pump does the Mase 914300 kit refer to?

The kit is intended for the F4B-9 pump model, referring to the Johnson Pump F4B-9.

What type of pump is the F4B-9?

The F4B-9 is indicated as a flexible impeller pump, typically used for water handling in marine environments.

Which components are normally associated with the maintenance kit?

From the available information, the kit is associated with wear components such as impeller, gaskets, shaft seals, and O-rings, including sealing elements of the pump cover. The complete list is not published in a verifiable manner.

In which nautical applications is this kit used?

It is intended for interventions on pumps used in cooling water circuits and marine applications with seawater pumps or auxiliary pumps.