18
95-03010
MAINTENANCE
Figure 23
DRIVE KEY
SILICONE SEALANT
SOCKET HEAD
CAP SCREWS
MODELS 49, 79, 239
FRONT CASE ASSEMBLY
(Figure 21)
1. Press and seat two front idler bearings into
front idler bearing bore.
NOTE
To avoid damage to the bearings, press
against outer race when installing bearing in
case and inner race when installing bearing
on shaft.
2. Press and seat front output shaft bearing
onto output shaft.
3. Press and seat bearing and output shaft
assembly into output shaft bearing bore.
FRONT CASE TO PUMP ASSEMBLY
NOTE The speed reducer can only be as-
sembled to a lower drive shaft mounted pump.
1. Drain oil from pump gear case and remove
pump gear case cover and clean silicone seal-
ant from cover and case. (Figure 22)
2. Rotate pump drive shaft so that keyway
faces up and install drive key. Apply a film of
Micro Plate 140 gear oil to pump drive shaft.
(Figure 23)
3. Align output shaft key way with key on pump
drive shaft and slide output shaft over drive
shaft. (Figure 23)
Apply silicone sealant bead on pump gear
case.
5. Seat front ISR case to pump.
6.
Model 79
: Install six 3/8-16 x 1-1/4 socket-
head cap screws- torque to 30 ft. Ibs. For
Model 49
: Install six 5/16-18 x 1-1/4" socket-
head cap screws- torque to 17 ft. Ibs.
Model 239
: Install eight 3/8-16 x 2" socket-
head cap screws-torque to 30 ft. Ibs.
Figure 22
SPEED REDUCER ASSEMBLY
Figure 21
FRONT IDLER
BEARING (2)
OUTPUT SHAFT
AND BEARING
INNER RACE
OUTER RACE
OUTPUT SHAFT
OIL DRAIN
Triplex Sales
1-847-839-8442
www.triplexsales.com
