Assembly (Fig. 57)
ARMATURE
ASSEMBLY
PRESS FIXTURE
MUST PRESS
AGAINST
NOTE: After the motor has been disassembled, it is
recommended that a new commutator end head bear-
ing be installed because removed bearing may have
been damaged during disassembly. Although the bear-
ing may appear and feel good, the bearing could be ”bri-
nelled” (races or balls deformed) and may exhibit noise
and vibration problems or fail within a relatively short pe-
riod of service. When installing new bearing, always
press against the race that is absorbing the pressure or
bearing damage may occur.
OUTER RACE
BEARING AND
RETAINING RING
INSTALLED
IN END HEAD
BEARING
PRESS FIXTURE
MUST HOLD
END HEAD
MUST BE HELD
STATIONARY
INNER RACE
STATIONARY
1.
After servicing the commutator and brushes, re–as-
Figure 62
semble the wiring in the commutator end head as origi-
nally found. Ensure the wiring does not contact metal
and rotating parts. Also, make sure that the wiring allows
the brushes to move unrestricted in the brush holders.
1
2
2.
pressing on the bearing outer race only (Fig. 62). Secure
bearing with retaining ring.
Press a new bearing into the commutator end head,
3
4
5
3.
field assembly and secure with four (4) bolts. Torque
bolts from 120 to 140 in–lb (13.6 to 15.8 N–m).
Position the commutator end head to the frame and
Figure 63
1.
2.
3.
Terminal
Lower nut
Flat washer
4.
5.
Insulating washer
Motor housing
4.
Ensure the brushes are pushed out of the way.
5.
commutator end head, carefully press the armature into
the end head and bearing assembly (Fig. 62).
While supporting the inner–race of the bearing in
2
6.
Position brushes in brush holders and carefully re-
1
lease the brush springs allowing the brushes to contact
the commutator. Make sure brush shunts do not inter-
fere with spring movement.
7.
the headband on the motor.
Repair or replace the headband if damaged. Install
4
3
8.
Make sure that lower nuts are properly tightened on
traction motor terminals (Fig. 63 and 64). Lower nuts on
F1 and F2 terminals should be torqued from 50 to 60 in–
lb (5.7 to 6.8 N–m). Lower nuts on A1 and A2 terminals
should be torqued from 110 to 140 in–lb (12.4 to 15.8
N–m).
Figure 64
1.
2.
A2 terminal
F2 terminal
3.
4.
F1 terminal
A1 terminal
Workman e2050/e2065
Electrical System (Rev. B)
Page 3 – 41
| Categories | Lawn Mower Manual, Toro Lawn Mower Manual |
|---|---|
| Tags | Toro Workman E2050, Toro Workman E2065 |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Product Type | Walk Behind Mower |
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| Publisher | toro.com |
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