TM 9-2320-272-24-3
18.
Coat new gasket (22) with light film of GM grease and position on gearcase (1). Measurements in
step 24 may require more gaskets (22).
19.
Coat outside diameter of new seal (21) with sealing compound and install on worm gear shaft (3).
20.
Position seal retainer (23) over worm gear shaft (3)
21.
Align holes in coupling (18) with hole in worm gear shaft (3) and install coupling (18) on shaft (3)
with pin (19) and new cotter pin (20).
22.
Apply a light film of GAA grease to coat gasket (24) and position on seal retainer (23).
23.
Align screw holes in adapter (25) with holes in gearcase (1) and install adapter (25) on gearcase (1)
24.
Place dial indicator on gearcase (1) and measure end play of worm gear shaft (3). If end play is less
than 0.005 in. (0.127 mm), add gaskets (22) as indicated in step 18 until end play reads greater
than 0.006 in. (0.127 mm), but less than 0.015 in.(0.37 mm). Remove dial indicator when proper
adjustment has been obtained.
4-821