Toro Reelmaster 3550-D Service Manual page 243

Removal (Fig. 11)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2. Remove cutting units (see Chapter 7 − Cutting Units
in this manual).
3. Remove lynch pin and thrust washer securing pivot
yoke to lift arm and remove pivot yoke.
4. Remove retaining ring and flat washer from one end
of the cylinder pin that secures rod end of lift cylinder to
lift arm. Pull pin from lift arm and cylinder rod. Support
lift cylinder away from lift arm. DO NOT allow the lift cyl-
inder to hang by the hydraulic hoses.
5. Remove flange head screw and recessed bumper
securing lift arm to lift arm pin. Slide lift arm assembly
from pin.
6. Remove hex head screw and drive lift arm pin from
frame if necessary.
7. Repair lift arm as necessary.
Reelmaster 3550−D/3555−D/3575−D
Installation (Fig. 11)
1. If the lift arm pin was removed from frame, install lift
arm pin in frame and secure with cap screw.
2. Slide lift arm onto the lift arm pivot pin.
3. Apply Loctite to flange head screw and secure lift
arm and recessed bumper to lift arm pin.
4. Slide pivot yoke into lift arm and secure with thrust
washer and lynch pin.
5. Secure hydraulic cylinder to the lift arm with pins,
washers, and retaining rings.
6. Install cutting unit to the front lift arm pivot yoke (see
Chapter 7 − Cutting Units in this manual).
7. Grease front lift arm and pivot yoke.
Page 6 − 17 Chassis