Eaton TRSM0020 - Page 117

Transmission appearance may differ, procedure is the same.
18
B/17-2
B/17-6
B/17-8
B/18-1
B/17-5
B/17-7
B/17-9
B/18-2
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8
9
10
11
12
13
13
14
5
6
Mainshaft Assembly
How to Disassemble the Mainshaft Assembly
Special Instructions
During disassembly, lay all parts on a clean bench in
order of removal to facilitate reassembly.
When removing limit washers, spacers and gears,
note their location. Keep the internal-splined washers
and external-splined spacers with the gear from which
they were removed. There is only one limit washer and
one spacer belonging to each gear.
Special Tools
Typical service tools are needed
To Disassemble
1. Remove the mainshaft key snap ring.
2. Tilt the mainshaft up, and from the opposite end,
remove the sliding clutch.
3. Remove reverse gear.
4. Remove reverse gear spIine spacer.
5. Place the mainshaft in a vertical position.
6. From the mainshaft rear, pull the mainshaft key
from the mainshaft key way.
7. Turn the reverse gear limit washer to align its
splines with the mainshaft and remove the
washer.
8. Remove the reverse-1st speed sliding clutch.
9. Lift and turn 1st gear to align the limit washer
splines.
10. Remove the limit washer, spacer and 1st gear.
11. Turn the 2nd gear limit washer to align its splines
with the mainshaft. Remove 2nd gear and its
limit washer.
12. Remove the 2nd-3rd sliding clutch
13. Remove each remaining gear, limit washer, and
spacer.
14. Inspect the roll pin, remove if damaged.
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3
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