Hale MG - Manual (Page 100)

Muscle Pumps
5-36
pitting, replace all components
that are worn, damaged or pitted.
h. Remove and disassemble the input
shaft assembly.
1) Remove the 1/2-13UNC X 1-1/4
inches long cap screw and washer.
2) Using an appropriate pulle r,
remove the companion flange
from the input shaft.
3) Remove the .375x1.563 long
square key from the input shaft.
4) Remove the oil seal from the
companion flange end of the drive
shaft, then remove the bearing
retaining ring.
5) Remove oil seal from other sides
of gearbox and remove the
bearing retainer ring.
6) Using proper press, carefully
press input shaft from gearbox
housing.
7) Remove bearings and .500 x
2.063 long square key from input
shaft.
8) Note orientation of gear, then
reach into top of gearbox housing
and remove input gear from
gearbox housing.
9) Using bearing puller, remove
bearing from gearbox housing if
necessary.
2. Assembly and Installation
a. Assemble and install the input shaft.
1) Obtain a new 309 bearing and
install in non-drive side of
gearbox housing.
2) Install new split ring in non-dive
side of housing.
3) Place input gear into gearbox
housing in proper orientation.
4) Install .500 x 2.063 long key in the
input shaft. Holding input gear in
place, start to insert input shaft.
Make sure key in shaft aligns with
slot in gear. Make sure shaft
aligns with bearing.
5) Install a new spherical roller
bearing over input shaft. Align
the shaft and bearing with housing
and carefully press bearing into
place.
6) Install new split ring into gearbox
housing.
7) Press new oil seals into both sides
of gearbox housing.
8) Install .375 x 1.563 key on input
shaft, then install companion
flange.
9) Apply Loctite 242 to 1/2-13UNC
X 1-1/2 inches long cap screws,
then install washer and cap screw.
b. Assemble and install the intermediate
shaft assembly.
1) Press new idler gear bearings into
the idler gear.
2) Install new shaft seal rings on the
ends of the intermediate shaft.
3) Reaching through the top of the
gearbox, place the intermediate
gear in position towards the front
of the gearbox housing.
4) Press the idler shaft through the
idler gear until the shaft is seated
in the gearbox housing.
5) Apply Loctite to the idler shaft
threads, install the idler shaft
washer and locknut. Tighten lock
nut.