Toro Workman 3000 Series, Service Manual

Page: 160 / 306

Workman 3000/4000 Series Page 7 – 24 Chassis
Control Arm Ball Joint Replacement
1. Cotter pin
2. Slotted hex nut
3. Upper control arm (RH shown)
4. Lower control arm (RH shown)
5. Snap ring
6. Ball joint
7. Ball joint seal
8. Grease
fitting
9. Flange bushing
10. Cap screw
11. Lock nut
12. Spindle (RH, 2WD shown)
Figure 15
FRONT
RIGHT
80 to 90 ft–lb
(108 to 122 N–m)
2
1
3
5
6
7
4
6
7
5
8
8
9
9
9
10
10
11
11
12
Removal (Fig. 15)
WARNING
FRONT SUSPENSION IS SPRING LOADED! To
prevent possible personal injury, use special
tool to remove compression springs before dis-
assembling the front suspension.
1. If servicing upper ball joint or control arm, remove
front compression springs (see Front Compression
Spring Service in this section).
NOTE: Front compres-
sion springs do not need to be removed if servicing only
the lower ball joint or lower control arm.
2. Remove cotter pin and slotted nut that secure af-
fected ball joint to spindle. Separate ball joint from
spindle. Inspect ball joint seal and replace if damaged.
3. Remove control arm.
4. Remove snap ring. Press ball joint out of control arm.
Installation (Fig. 15)
1. Press new ball joint into control arm. Install snap ring
to secure ball joint.
2. Install grease fitting into ball joint. Install boot over
shaft on ball joint. Edge of boot must be inserted into ball
joint slot.
3. Install and secure control arm to vehicle with cap
screws and lock nuts. Make sure frame tabs collapse
against rubber bushings as control arm fasteners are
tightened.
4. Secure ball joint to spindle with slotted nut. Tighten
slotted nut to a torque from 80 to 90 ft–lb (108 to 122
N–m). If necessary to install cotter pin, tighten nut fur-
ther and secure assembly with cotter pin.
5. If removed, install front compression springs (see
Front Compression Spring Service in this section).
6. Grease ball joint (see Operator’s Manual).