Yudo HOT RUNNER - Preventive Maintenance

UH-02-Aug16-ENG P 20 / 21
6. P REVENTIVE M AINTENANCE
Preventive Maintenance is very important to keep the hot runner in good operation conditions.
PREVENTIVE VERIFICATION PLAN
Sistem Type
Components
S/N Open S/N Valve
HR System
Open
Basic HR
System
Valve
Pre Wired
(PW) Eco
Modu
Hot half
Modu
system
Cylinders Seals X
1 year
or
1M Shots
X
1 year
or
1M shots
1 year
or
1M shots
1 year
or
1M shots
Tips
2 years or 2M shots
(6 months or 0.5M shots if abrasive material)
Valve Pin + PGB
X
3 years
or
3M shots
X
3 years
or
3M shots
3 years
or
3M shots
3 years
or
3M shots
Hoses X
3 years
or
3M shots
X X
3 years
or
3M shots
x
Circuit cleaning
Air, oil, water in plates
X X X
1 year
or
1M shots
1 year
or
1M shots
1 year
or
1M shots
Heaters + TC
5 years
or
5M shots
General Retrofitting
(overhauling)
10 years
or
10M shots
Regarless of the hot runner working time, preventive maintenance shall be conducted based on the shot
number.
A CCESS H ERE M AINTENANCE I NSTRUCTIONS