Toro Groundsmaster 5900 Series Service Manual page 433

Front Deck Lift Arm Removal
Front Deck Lift Arm Installation
Groundsmaster ® 5900 & 5910
16227SL Rev B
(Figure 299) (continued)
C. Remove retaining ring that secures spherical bearing in lift arm. Remove
tapered stud with spherical bearing from lift arm. Separate flange nut
and spherical bearing from stud.
D. Press flange bushings from lift arm. Thoroughly clean lift arm bore.
(Figure
1. If removed, install components to lift arm
A. Assemble height−of−cut chain u−bolt so that there is 46 mm (1.8 in)
between the inside loop of the u−bolt and the bottom of the mounting
plate.
B. Lightly lubricate new flange bushings and press bushings into lift arm.
Make sure that bushing flange is pressed fully to lift arm surface.
C. Install spherical bearing on tapered stud and secure with flange nut.
Install stud with spherical bearing into lift arm and secure with retaining
ring.
D. Thoroughly clean tapered surfaces of stud and mounting boss of support
hub. Secure support hub (position slotted hole in hub toward rear of
deck) to tapered stud with flat washer and lock nut. Tighten lock nut from
184 to 223 N·m (135 to 165 ft−lb).
2. Position lift arm and washers to frame and insert lift arm pin. Engage roll pin
into frame slots and install lock nut on pin. Tighten lock nut from 82 to 94
N·m (60 to 70 ft−lb).
3. Align lift cylinder and washers with lift arm. Slide lift cylinder pin through lift
arm, washers and cylinder end. Secure pin with flange head screw and
flange nut.
4. Install front wheel assembly (see
the ground.
Failure to maintain proper wheel lug nut torque could result in failure
or loss of wheel and may result in personal injury.
5. Tighten wheel lug nuts evenly in a crossing pattern from 124 to 146 N·m
(92 to 108 ft−lb).
6. Install front cutting deck (see
7. Lubricate lift arm grease fittings.
8. After assembly is completed, raise and lower the cutting deck to verify that
hydraulic hoses and fittings do not contact other components.
299)
(Figure
Wheels (page
WARNING
Front Cutting Deck (page
Page 7–19
300):
7–3)). Lower machine to
8–3)).
Chassis: Service and Repairs