Magnum Venus Plastech APS MCS-CMB-APS-11 - Manual (Page 19)

22. Remove O-ring from head assembly.
23. Remove 4 screws from gland permiting gland to be removed from head assembly.
24. Remove O-rings from gland.
25. Remove tube assembly from base.
26. Remove two O-rings from tube.
27. Remove cylinder from base. Usually during this step the piston and rod assembly will remain in
cylinder.
28. From base assembly (there are two types): Type one: remove snap ring, washer, “U” cup and
washer. Other type: remove O-ring.
29. Remove O-ring from base assembly.
30. Separate piston rod and piston assembly from cylinder.
31. Unscrew extension rod from rod assembly by holding rod assembly with adjustable type pliers and
placing a wrench on the provided wrench flats at the top of extension rod.
32. Unscrew piston rod from adapter. Use provided wrench flats on piston rod. Next, remove rod
assembly from piston rod.
NOTE: Caution should be exercised not to mar or damage finish on extension rod and piston rod.
33. From adapter, remove nut, piston and O-ring.
ASSEMBLY
1. Clean with solvent and apply Loctite to external threads of adapter, then assemble O-ring, piston
assembly and nut and tighten to 160-180 foot pounds.
2. Clean the threads on rod, assembly and put the threaded end through the hole in adapter leaving the
brazed sleeve of rod assembly on the threaded side of adapter.
3. Hold rod assembly below threads with locking-type pliers. After applying Loctite “A” to the threads,
attach extension rod and draw up tight using wrench flats provided on extension rod.
NOTE: Do not mar or damage surface of extension rod.
4. Place the brazed sleeve end of rod assembly into the hole in the end of piston rod. After applying
thread sealant or teflon tape to threads, secure piston rod into adapter and draw up tight using
provided wrench flats on piston rod.
NOTE: Do not mar or damage surface of piston rod.
5. Install O-ring on base assembly.
6. On type one base assembly, install washer, “U” cup (lips up), washer and snap ring. In other type
base assembly, install O-ring.
7. Push piston rod through base assembly being careful not to damage the lips of “U” cup or O-ring.
8. Grease the inside of cylinder and fill area between lips of piston assembly with grease, then place
cylinder over piston and rod assembly.
9. Push piston assembly to the top of cylinder.