WATERAX
MARK-3 Owner's Manual
03/2016
– Page 18 of 52
Maintenance
The carburetor can be cleaned with a minimum of tools. Before disassembling the carburetor, it is
imperative
to flush it clean of dirt by using proper carburetor cleaner.
1. Remove strainer cover retaining screw and plastic cover.
2. Remove strainer cover gasket and strainer screen.
3. Remove screws and fuel pump body.
4. Remove fuel pump diaphragm and gasket.
5. Remove main diaphragm cover plate.
6. Remove main diaphragm and main diaphragm gasket.
7. Remove inlet control lever fulcrum pin, lever and tension spring.
8. Remove inlet needle.
9.
With a thin wall 8 mm (5/16”) hex socket, carefully remove the inlet seat. Remove inlet seat gasket.
When reinstalling seat, tighten only to 3-4 Nm [25-35 in-lbs].
10. Remove low speed and high speed mixture screws.
11. The ball check type main nozzle can be removed by tapping it out of the body casting into the venture
with a small punch. A replacement ball check nozzle should be pressed into the casting. The brass
cage should be pressed flush with the metering chamber casting.
