Toro Ultra Sonic Boom 41218 Installation Instructions Manual page 8

5
Mounting the Electronic
Control
Parts needed for this procedure:
1 Mount plate
4 Relay
4 Bolt (1/4 x 5/8 inch)
4 Lock washer (1/4 inch)
4 Nut (1/4 inch)
1 Wire harness
4 Screw (#10)
4 Nut (#10)
1
Electronic Control Unit (ECU)
1 Fuse retainer
4 Bolt (1/4 x 1-1/4 inch)
4 Locknut (1/4 inch)
2 Bolt (5/16 x 3/4 inch)
2 Lock washer (5/16 inch)
2 Flat washers
2 U-bolt clamps
4 Nut (5/16 inch)
Procedure
1. Secure 4 relays to the front of the mount plate with
4 bolts (1/4 x 5/8 inch), 4 lock washers (1/4 inch),
and 4 nuts (1/4 inch) as shown in Figure 12.
2
1
8
9
7
1. Relay
2. Nut (1/4 inch)
3. Lock washer (1/4 inch)
4. Bolt (1/4 x 5/8 inch)
5. Mount plate
2. Secure the fuse block ends of the wiring harness and
the fuse retainer to the mounting plate with 4 screws
(#10) and 4 nuts (#10) as shown in Figure 12.
3. Secure the ECU to the mounting plate with 4 bolts
(1/4 x 1-1/4 inch) and 4 locknuts (1/4 inch) as
shown in Figure 13.
2
1
1. Bolt (1/4 x 1-1/4 inch)
2. ECU
4. Connect the relay leads on the wiring harness to the
4 relays on the mounting plate.
8
3
4
5
G018924
6
Figure 12
6. Nut (#10)
7. Screw (#10)
8. Fuse block
9. Fuse retainer
4
3
G016081
Figure 13
3. Mount plate
4. Locknut (1/4 inch)