Toro 41188, Service Manual

Page: 225 / 353

Multi Pro 1750 Page 6 − 51 Spray System
Assembly (Fig. 35)
1. If pivot bracket (item 4) was removed from machine:
A. Lightly lubricate bushings (item 6) with motor oil
before assembly.
B. Install pivot pin (item 12) from rear of machine.
C. Connect boom lift cylinder (not shown) to pivot
bracket (see Boom Lift Cylinders in Chapter 4 − Hy-
draulic System in this manual).
2. Make sure that hinges (item 5) are securely fastened
to pivot bracket (item 4) and spray boom (item 20). The
boom hinge uses four (4) backing plates (item 13) be-
tween the spray boom and flange nuts.
3. Position boom hinge to pivot bracket hinge. Make
sure that rubber boots (item 18) are placed at hinge
junctions and that ribs on boots are toward the top of the
boom (Fig. 37).
4. Insert two (2) cap screws (item 10) through flat wash-
ers (item 9) and hinges. Place dampener (item 19),
breakaway spring (item 16), spring retainer (item 15)
and lock nut (item 11) on each cap screw. Make sure that
shoulder on spring retainer fits into breakaway spring.
5. Tighten lock nuts to obtain a compressed spring
height of 2.06” (52.3 mm) (Fig. 38).
6. Connect supply hose to tee fitting on spray boom and
secure with hose clamp (Fig. 36).
7. Lubricate grease fittings on boom hinge.
1. Boom frame
2. Spray boom (LH shown)
3. Tee fitting
4. Boom supply hose
Figure 36
2
1
3
4
1. Rubber boot 2. Rib
Figure 37
UP
1
2
Figure 38
2.06”
(52.3 mm)
Spray
System