19
95-03010
MAINTENANCE
Figure 21
SPACER
RETAINING RING
KEY
OUTPUT GEAR
7. Install key in output shaft. (Figure 21)
8. Align keyway in output gear with key in
output shaft and slide output gear onto out-
put shaft.
9. Assemble spacer and retaining ring to out-
put shaft.
NOTE: Model 49 does not use a spacer be-
tween the
retaining
ring and the output gear.
IDLER SHAFT ASSEMBLY
There are two types of idler shaft assem-
blies, depending on the gear ratio selected.
One type uses two pressed-on gears while
the other type uses one pressed-on gear and
one 21 tooth gear that is part of the idler
shaft.
NOTE: For Model 239 there is only one idler
shaft assembly and it uses two pressed-on
gears. (Figure 23)
IDLER SHAFT ASSEMBLY WITH ONE
PRESSED-ON GEAR
(Figure 22)
1. Install woodruff key in shaft, press and seat
narrow gear onto shaft.
IDLER SHAFT ASSEMBLY WITH TWO
PRESSED-ON GEARS
(Figure 23)
NOTE: NARROW gear is assembled to short
end of shaft. WIDE gear is assembled to long
end of shaft.
1. Install woodruff key in short end of shaft.
Press and seat NARROW gear onto shaft.
2. Install woodruff key in long end of shaft,
press and seat WIDE gear onto shaft.
Figure 23
FRONT
SPACER
WIDE GEAR
KEY
NARROW GEAR
IDLER
SHAFT
NARROW GEAR
KEY
INTEGRAL
GEAR
SHAFT
Figure 22
ONE GEAR IDLER
The output gear and the wide idler gear
can be changed to increase or decrease
pump RPM. Also, changing to a different
speed motor can effect the final pump
speed.
See PARTS LIST pages beginning on
page 23, 25, 27 for specific gears required
for RPM changes
CHANGING GEAR RATIO?
OUTPUT SHAFT
TWO GEAR IDLER
SPEED REDUCER ASSEMBLY
Triplex Sales
1-847-839-8442
www.triplexsales.com
