Gear Motor Replacement - Echo TM-2000 Technical Manual

9.7 Gear Motor Replacement

Bottom view of robot shown.
1) Remove the rear wheel and washers. Discard the
washers.
2) Remove the six screws and cover from the elec-
trical box.
1 – Screw
2 – Cover
3) Disconnect the gear motor cables from the trac-
tion drive card.
4) Remove the six bolts from the gear motor
support.
1 – Bolt
2 – Gear motor support
5) Remove the gear motor assembly.
1 – Gear motor assembly
6) Remove the four screws from the gear motor,
then remove the c-clip from the output shaft.
Remove the gear motor from the bracket
assembly.
2
1
1 – Screw
2 – C-clip
3 – Gear motor
4 – Bracket assembly
7) Place new motor into the bracket assembly.
Assemble the four mounting bolts, tighten to
4.5 lbf•ft (6 N•m). Replace the clip on the output
shaft.
2
8) Use compressed air to remove any moisture
from the inside of the electrical box.
9) Place the new motor and bracket assembly into
the electrical box.
1 10) Assemble the six bolts to the gear motor support.
11) Reconnect the gear motor cables to the traction
drive card.
12) Assemble the electrical box cover onto the elec-
trical box.
13) Place new washers on the gear motor output
shaft. Do not reuse old washers.
14) Assemble the rear wheel.
15) Complete the Drive Motor Service Test.
G M
EAR
3
S P
ERVICE ROCEDURES
R
OTOR EPLACEMENT
1
4
1
2
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