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How to Replace Pinion Gear for T-REX
Does not apply to T-REX
Step 1:
Remove the four bolts holding the
transmission and motor together.
Step 2:
Pull the motor off the transmission. You
can use a rubber mallet to loosen the seal if
A).
necessary
(Figure
Step 3:
Use a Phillips head screwdriver to
unscrew the 6 screws on the transmission cap
B). Remove the transmission cap.
(Figure
Step 4:
Remove the broken pinion gear.
Step 5:
Install the new pinion gear (Part # H129)
by inserting the gear side into the space beside
the large transmission gear. Use the existing
grease inside the transmission to lube the
C). Twist the pinion gear to
pinion gear
(Figure
make sure the gears are aligned. You should
see the large gear spin a little
Step 6:
Make sure the wave washer is centered
on the bearing for the large gear
up the pins on the transmission casing with the
holes on the transmission cap and tap the cap
F). The transmission should
into place
(Figure
be on a surface that allows the threaded shaft
on the bottom to hang free so that it doesn't
push back up against the cap as you're trying
to tap the cap back on
Step 7:
Replace the screws with a Phillips
screwdriver. The longer screw goes in the hole
in the motor cavity.
Step 8:
Twist the pinion gear by hand to make
sure it is aligned properly. You will see the
bearing for the main gear spin slightly.
Step 9:
Match the locking key on the motor
shaft to the key slot on the transmission and
slide the motor back in place
up the bolt holes and make sure the power
cord is coming out the back.
Jr.
™
D).
(Figure
E). Line
(Figure
G).
(Figure
H). Line
(Figure
with 1/2 HP Motor
™
Pinion Gear
A
C
E
G
H129
B
D
F
H
TS-TREX-09/02/15 • PAGE # 2
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