Toro Multi Pro 1750 Service Manual page 305

Disassembly (Fig. 17)
1. Park machine on a level surface, stop engine, en-
gage parking brake and remove key.
2. Lift front of machine using a jack or hoist to allow front
suspension to hang freely from machine. Chock rear
wheels to prevent vehicle from shifting.
3. Remove front wheel assembly (see Wheels in this
chapter).
4. If necessary, remove front brake assembly from
spindle (see Front Brakes in this chapter).
5. If necessary, remove front wheel hub from spindle
(see Front Wheel Hub in this chapter).
6. Support brake, hub and spindle assembly to prevent
them from falling during disassembly.
7. Disassemble front suspension as needed.
8. Disassemble control arms as needed.
A. Remove retaining ring that secures ball joint.
B. Use a suitable press and remove ball joint from
control arm.
C. Use a suitable press and remove flange bushings
from control arm.
Assembly (Fig. 17)
1. Assemble front suspension components as needed.
A. If control arm ball joint or flange bushings are re-
moved, use a suitable press to install ball joint with
notch facing inward as shown (Fig. 18). Press flange
bushings tight to machined surface of control arm.
B. Position control arms to the frame and secure to
frame with flange head screws, cap screws, flat
washers and flange nuts (items 10 thru 15). Do not
fully tighten screws and nuts.
C. Install shock absorbers. Tighten shock absorber
mounting flange head screws and flange nuts from
40 to 50 ft−lbs (54 to 68 N−m).
D. Install spindle assembly to the control arms.
Tighten cap screws and flange nuts (items 7 and 8)
from 40 to 50 ft−lbs (54 to 68 N−m).
Multi Pro 1750
3
2
4
5
6
(lower right control arm shown)
1. Control arm
2. Ball joint
3. Boot
IMPORTANT: The control arms should not be al-
lowed to move more than five degrees up or
down once the mounting bolts and nuts have
been fully tightened or damage to the control
arm bushings may occur.
E. Fully tighten flange nuts and flange head screws
securing control arms to frame from 75 to 80 ft−lb
(102 to 108 N−m).
F. If tie rod ends were loosened or removed from
spindle, tighten castle nut from 20 to 25 ft−lb (27 to
34 N−m). If necessary, tighten castle nut further until
cotter pin can be installed.
2. If previously removed, install front wheel hub (see
Front Wheel Hub in this chapter).
3. If previously removed, install front brake caliper (see
Front Brakes in this chapter).
4. After assembly is complete, make sure that suspen-
sion components do not contact hoses and/or wires
throughout their full range of motion.
5. Lubricate upper and lower ball joint and tie rod end
grease fittings.
6. Install wheel and secure with lug nuts. Tighten lug
nuts evenly in a crossing pattern from 75 to 80 ft−lb (102
to 108 N−m).
7. Lower machine to ground.
8. Check and adjust front wheel toe−in (see Operator's
Manual).
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1
6
Figure 18
4. Retaining ring
5. Grease fitting
6. Flange bushing
Chassis