Output Shaft Re-assembly Double Reduction

 
 


Output shaft re-assembly into housing
Remove existing oil seal from bearing carrier [photo]
Coat gear teeth with red lead mixture or similar coating such as Dykem [photo]
Adjust shims. If output shaft is very loose, measure endplay of output shaft and remove shims evenly from both carriers until endplay is within limits specified. (fig 3&4 pg 16)

Check worm gear centrality.

If the bearing carrier does not meet housing face, measure gap and add shims evenly to each side. [photo]

assemble motor to unit.
Apply a slight load to the output shaft and rotate the input shaft for one or two minutes [photo]
Remove output bearing carrier and remove output gear assembly [photo]
Check gear teeth for bearing pattern; optimum bearing pattern is shown [photo] (fig 6 pg. 17)
If gear requires adjustment for centrality, all adjustments must be made from side opposite gear hub. Move shims to accommodate for gear centralization. [photo]
Add photo (pointing at opposite side from the hub to centralize)Note: all adjustments for gear centrality to be made from the already established total shim pack. If a shim is removed from one centralized side, it must be added to the opposite side.
 
 
 
 

 
When a good bearing pattern on the gear teeth is established assemble carrier(s) to unit. [photo]
Apply Permatex Aviation Form A gasket #3 or equivalent sealant on the edge to form fillet at pilot diameter of carrier. [photo]
Install new oil seal into bearing carrier bore. Oil seal to be flush with carrier face [photo]
Recommend masking tape over sharp keyseat edges so seal lip is not cut or damaged.
Fill unit to proper level. (Reffer to page 3 in the manual) [photo]
Install and tighten vent and pipe plug
For RFW and W700 Series refer to single reduction instructions for RF700 input disassembly and reassembly