Auto resin valve assembly - rav – Magnum Venus Plastech INNOVATOR MEGAJECT 5000 (8001) User Manual
Page 45

MAGNUM VENUS PLASTECH
Innovator Megaject Manual
45
3. Auto Resin Valve Assembly - RAV
RAV – Instructions for use and Maintenance:
1.
Use air signal on 4mm fitting 6080 to open valve, valve closes when signal
is removed
2.
To replace the Main Seal (5873), remove Hex Head Screw (5832), Seal
(5837) and Washer (6059). Replace Seal (5837) with the recess against
the screw head. Use a small amount of removable thread lock compound
on the 5mm of exposed threads nest to Seal and Washer only. Do not over
tighten Hex Head Screw.
Note:
• Seal (5837) would normally be replaced by removing Nose Block
(5852 first. However it can be accessed / replaced by unscrewing the
Screw (5832) without removing the Nose Block (5852).
• If the shaft turns whilst removing Screw apply signal air pressure to
open connector (6080) this aids locking the shaft against rotation.
• It is essential that screw is not over tightened and only a small
amount of locking compound is used
• After renewing Seal ensure correct operation and sealing efficiency
between open and closed positions before production use.
3.
To replace Shaft Seal (6004), remove Main Seal (5837). Disconnect Signal
Pressure. Unscrew to remove Cylinder Top (6167). Caution the top is
under spring pressure. Remove Spring (5825) and Limiter (5835). Pull
Piston Shaft (5827) upwards. Either cut Seals off Shaft without scratching
grooves in shaft and replace or replace Shaft (5828) complete with Seals
fitted. Shaft (5828 may be unscrewed form Shaft (5827) by firmly gripping
both close to piston (5830). Reassemble using a small amount of thread
lock compound on threads and PTFE sealer paste on Shaft end next to
piston base hole (5830). Do not grip and turn shaft beneath O-ring seal
grooves.
Caution Note. For safety reasons - Always ensure that the Resin Auto
valve above is locked into the head top position with the two securing lock
M5 screws 4081