Magnum Venus Plastech UltraMAX VLS-4600 Series User Manual
Page 28

VLS-4600 Series Fluid Section Manual
Rev. 08/2013
Page | 28
9. Use lithium grease on the Pump Cylinder Tie Rod (VLS-4623) threads and screw into Outlet
Body if they were removed.
NOTE: The two Pump Cylinder Tie Rods (VLS-4623) must be inserted in opposing holes. The
UPLS versions of the fluid sections have four Tie Rods (VLS-4623).
10. Slide the Cylinder with Foot Valve over the Piston Rod Assembly and start the Hex Nuts (F-
HN-08C) onto the Pump Cylinder Tie Rods (VLS-4623). Tighten uniformly until wrench tight.
11.
Use a 1/4” metal rod, or Phillips screwdriver to tighten the Packing Nut (VLS-4607).
Note: Do not over tighten the Packing Nut as it can bind on the Piston Rod
– only
tighten ¼ - ½ turn past hand tight
– enough to prevent the Packing from leaking.
Tight ¼ - ½ turn as needed weekly to prevent material for leaking into the Packing
Nut.
Note: There is no adjustment for the Packing Nut on Magnapak version of the
fluid sections
– the packing nut is snug against the outlet body.
Options Packing & Packing Sets:
VLS-4605-2U2G
PACKING SET
VLS-4605-GFT
PACKING SET
– GLASS FILLED
VLS-4605-U
PACKING SET
– UHMW
VLS-4640
CUP SEAL
– MAGNAPAK
Optional Piston Cups / Cup Seals:
VLS-4633
Piston Cup Seal
– Single piece – UHMW
VLS-4633-GFT
Resin Piston Seal
– Single piece – Glass Filled Teflon