12
95-03010
Fill unit with Microplate 140 gear oil. (Use re-
ducer fill hole located on either side). Figure 7
MICROPLATE 140 LUBE OIL CAPACITY
MODEL 49
1-1/4 PINTS
MODEL 79
3 PINTS
MODEL 239
6-1/2 PINTS
NOTE: Pump and reducer form a common oil
reservoir.
ISR ASSEMBLY - REAR CASE TO FRONT CASE
INSTALLATION
IDLER SHAFTS
2 GEAR
1 GEAR
THIN SPACER
FRONT SPACER (THICK)
FRONT CASE
FRONT CASE
SILICONE SEALANT
REAR CASE
OIL FILL PLUG
Figure 7
Figure 8
OIL DRAIN
CAP SCREW
LOCK
WASHER
CASE ASSEMBLY
THIN SPACER
Lubricate all shaft surfaces with Micro Plate
140 gear oil prior to installing.
1. Place the front spacer on the long end of
the idler shaft. Install the idler shaft assem-
bly in the front case assembly.
There are two
different idler shaft assemblies used depend-
ing on ratio of ISR.
(Figure 7)
NOTE: A front spacer is used on all idler
shafts, except 79 and 49 gear idler shafts.
Shaft is a light press fit. Use a soft hammer
to seat the shaft or press it in.
2. Install thin spacer onto idler shaft.
49 thickness =
.060/.062 inch
79 thickness =
.060/.062 inch
239 thickness = .133/.138 inch
INSTALL REAR CASE ASSEMBLY
4. Place a bead of silicone sealant on the rear
case edge.
Lubricate front and rear case bearings and
gears with Micro Plate 140 gear oil.
5. Seat rear case to front case. (Figure 7)
NOTE: Idler and output shafts may be a light
press fit in rear case bearings. The rear case
should be completely assembled, without the
motor coupling installed.
6. Attach with cap screws and lock washers.
Torque to 30 foot lbs.
7. Install the two hex-head cap screws with
jam nuts into support foot of rear case.
After screws are engaged in the base plate,
lock them in position with the jam nuts.
Install oil drain plug (1/2-20 cap screw with
fiber washer). (Figure 8)
SUPPORT
SCREW
JAM NUT
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1-847-839-8442
www.triplexsales.com
