Magnum Venus Plastech APS E-FIT-F-CMB-APS-6 User Manual
Page 21
34.
Install gland assembly over the valve piston and push down, being careful to retain seal in the O-ring
groove.
35.
Alighn the two screw holes and secure gland assembly to the head assembly with 2 screws and 2
lockwashers.
36.
Insert spring assembly in the head assembly with the hooks down and the nylon roller toward valve
piston.
37.
Apply grease to both inserts and place them in position with legs of insert toward valve piston and the
larger insert located in front of the larger diameter nylon roller. Also, the nylong roller on the insert
spring assembly should be between the legs of both inserts.
38.
Apply grease to gasket side of valve plate and put gasket on valve plate. To determine correct side:
the screw holes nearest the top and bottom of valve plate are toward the exhaust port on the head
assembly. Also the pins in valve plate are at the top.
39.
Hold the inserts against the valve piston and slide the gasket and valve plate between the two inserts
and head assembly. Be sure the large holes in the valve plate are located in front of the larger insert.
Also be sure the pins are located at the top of the valve plate.
40.
Hook the round coil in insert spring assembly over the pins in valve plate.
41.
Hook the bottom of the insert spring assembly into the holes on the side of the valve plate.
42.
Insert valve guide against the face of the valve plate. The legs of valve guide should be down with the
leg having the threaded hole nearest the bottom should be located nearest the exhaust port of the
head assembly.
43.
Place washer on each of the 4 screws and insert in the provided holes and tighten evenly across
corners.
NOTE: To ease the alignment of holes, an O-pick is very helpful.
44.
Install gasket in air motor cap and secure with 6 screws.
45.
Place deflector on the exhaust port of head assembly with the opening down and secure with 4
screws.
NOTE: It is highly recommended that a AAM-3-4-ST installation tool be used. This will greatly ease
installation of adapter and piston valve and reduce chances of damage to the “U” cup. A
damaged “U” cup and usually lead to air motor failure.