Magnum Venus Plastech APS FIT-C-APS-3 - Manual (Page 9)

RC-1101-1 ASSEMBLY OF AIR MOTOR
1. Remove Burrs: With fine file or emery cloth.
2. End Clearance: Average end clearance .0015” to .002”. To get end clearance take micrometer
reading of body minust micrometer readin gof rotor assembly, add gaskets (if needed) to get re-
quired clearance, assemble air motor with gaskets on both drive and dead end.
3. Select End Plate (Drive): End plate with no threads in hub.
4. Assemble Rotor and End Plate (Drive): Position bearing on shaft and with bearing pusher, press
bearing into end plate hub.
5. Assemble Bearing: Position bearing on shaft and with bearing pusher, press bearing into end
plate hub.
6. Position Rotor Assembly: Using inner-race tapper, tap inner-race of bearing until slight drag
between end plate and rotor assembly.
7. Position Body: Long port is exhaust, small hole drilled through body, intersecting hole drilled from
top is intake. For clockwise rotation small hole is on your right. For counterclockwise rotation small
hole is on your left.
8. Assemble Gasket (Drive): Take approximate 1/2 total gasket needed for end clearance. As-
semble on drive end, hold in position with few drops of oil, punch hole in gasket over air passage.
9. Assemble End Plate, Rotor and Body: Position end plate and rotor in body, over gasket, as-
semble screws, snug, oil hole in end plate to top of body.
10. Top Clearance: Place parts in align-up fixture, resting on hub. Using a .0015” shim, have a snug
fit between tightest segment and top of body.
11. Assemble Vanes: With angle on vane toward shaft.
12. Assemble Gasket (Dead): Take balance of fasket from overall clearance, hold in position with few
drops of oil. Punch hole in gasket over air passage.
Chapter
3
RC-1101-1 Air Motor