ELECTRICAL
4222983 Second Edition 4-143
4
Figure 4-110
NOTE
Label all wires before disconnecting to ensure correct
installation.
3. Remove screws (10) and disconnect wires.
4. Disconnect wire connector (11).
5. Remove four nuts (5), lock washers (6), flat washers
(7), and screws (8).
6. Remove SCU (9).
Installation Notes
• Install SCU by reversing the order of removal.
• Tighten screws (10) to 53 lb-in. (6 N·m).
RCU
Removal and Installation
See Figure 4-111.
WARNING
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove covers. (See “Front Cover” on page 7-16
and “Rear Cover” on page 7-16.)
Figure 4-111
NOTE
Label all wires before disconnecting to ensure correct
installation.
3. Disconnect RCU connectors (5, 6, 8, and 10).
4. Disconnect wire connector (9).
5. Remove screws (1), two flat washers (2), lock
washers (3), and nuts (4).
6. Remove RCU (7).
Installation Notes
• Install RCU by reversing the order of removal.
• Apply dielectric grease (Jacobsen PN 365422) to any
connectors removed.
TN2380
5
9
6 7 8
10
11
Be sure that the key switch is off, all electrical
accessories are turned off, and the 12-volt and
48-volt power connectors are disconnected
before starting work on machine.
5
10
6
TN2389
8
4321
7
4321
4321
9
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