Dosapro Milton Roy G A Series, Инструкция по эксплуатации, Страница: 18 / 40

V - 1
PART V - PREVENTIVE MAINTENANCE
ANNUAL OVERHAUL
V - 1. SPARE PARTS REQUIRED FOR
ANNUAL OVERHAUL
Annual overhaul (after one year or 3,000 hours’
operation) involves the replacement of the following
wear parts:
•
Balls and seats kits or sets of cartridges
(depending on model),
•
Diaphragm,
Every two years (or 6,000 hours’ operation), during the
annual overhaul, replace also :
•
Secondary diaphragm,
The servicing action required for the replacement of
balls and seats kits, diaphragm and secondary
diaphragm are described in Part VII: Servicing the liquid
end and the liquid end mounting assembly. The
procedures must be carried out in the specified order.
Chapter V - 2. Sequential actions allow partial servicing
operations to be carried out.
Note : For full list of spare parts refer to the relevant
liquid end sheet and mechanical assembly sheet.
V - 2. SEQUENTIAL ACTIONS
Carry out the procedures in the specified order having
read the general information (in Chapter VII - 1).
SERVICING THE FOOT VALVE
See Chapter IV - 2, paragraph on cleaning the foot
valve.
SERVICING THE VALVE ASSEMBLIES
•
Preliminary operations: Part VII - Section A1
•
Removing the valve assemblies: Part VII -
Section B1
•
Reinstalling the valve assemblies: Part VII -
Section B2
•
Restarting: Part VII - Section A2
REPLACING THE DIAPHRAGM
•
Preliminary operations: Part VII - Section A1
•
Removing the diaphragm: Part VII - Section C1
•
Reinstalling the diaphragm: Part VII - Section C2
•
Restarting: Part VII - Section A2
REPLACING THE SECONDARY DIAPHRAGM
•
Preliminary operations: Part VII - Section A1
•
Removing the diaphragm: Part VII - Section C1
•
Removing the secondary diaphragm: Part VII -
Section D1
•
Reinstalling the secondary diaphragm: Part VII -
Section D2
•
Reinstalling the diaphragm: Part VII - Section C2
•
Restarting: Part VII - Section A2