20
95-03010
MAINTENANCE
REAR CASE ASSEMBLY
Refer to REAR CASE BEARING CHART for
idler and output shaft bearing configurations.
1. Press and seat rear output shaft bearing(s)
into output shaft bearing bore. (Figure 28)
2. Press and seat rear idler shaft bearing(s)
into idler shaft bearing bore. (Figure 28)
NOTE
To avoid damage to the bearings, press
against the OUTER RACE.
IDLER SHAFT TO FRONT CASE
ASSEMBLY
(Figure 27)
Idler shaft to front idler bearing is a light press
fit.
Refer to chart for idler shaft configurations.
1. Install thick front spacer onto long end of
idler shaft.
2. Start long end of idler shaft into bearing bore
and align teeth on idler gear so they will mesh
with teeth on output gear.
3. Remove cover from pump. Using a rotor
nut wrench, rotate pump shaft while at the
same time tapping on end of idler shaft with a
soft mallet to seat idler shaft in bearing bore.
4. Install thin rear spacer.
REAR CASE
OUTPUT BEARING
IDLER BEARING/S
FRONT SPACER (THICK)
SPEED
IDLER
SPACER
REDUCER
SHAFT
TYPE &
MODEL
CONFIGURATIONS LOCATIONS
2 Pressed Gears
Thick Front and
79
Thin Rear Spacer
Integral Gear
No Front Spacer
49
2 Pressed Gears
Same Thickness
Spacer
Front and Rear
49
Integral Gear
No Front Spacer
239
2 Pressed Gears
Thick Front and
Thin Rear Spacer
Figure 27
THIN SPACER
2 GEAR
1 GEAR
FRONT CASE
OIL FILL PLUG
IDLER SHAFTS
REAR CASE
REAR CASE
IDLER
OUTPUT
SHAFT
SHAFT
MODEL
BEARINGS
BEARINGS
49
ONE
TWO
79
ONE
ONE
239
TWO
TWO
REAR CASE BEARING CHART
NOTES
All three bearings have same I.D.
Idler shaft bearing has larger O.D.
Both bearings have same O.D.
Output bearing has larger I.D.
All four bearings have same I.D. and O.D.
Figure 28
SPEED REDUCER ASSEMBLY
Triplex Sales
1-847-839-8442
www.triplexsales.com
