Toro Reelmaster 3550-D Service Manual page 245

Removal (Fig. 12)
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 screw(s) and flat washer(s) securing bridge
plate (item 23 or 25) to lift arm pin(s).
6. Remove screws, flat washers and flange nuts secur-
ing bridge plate to machine frame. Remove bridge plate
and slide lift arm assembly from pin.
7. Remove hex head screw and drive lift arm pin from
frame if necessary.
8. Repair lift arm as necessary.
Reelmaster 3550−D/3555−D/3575−D
Installation (Fig. 12)
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 screw(s) securing bridge plate to lift
arm pin(s).
4. Align the bridge plate (item 23 or 25) with the ma-
chine frame and lift arm pin(s) and loosely install all fas-
teners.
5. Tighten fasteners securing bridge plate to lift arm
pins. Tighten fasteners securing bridge plate to machine
frame from 80 to 100 ft−lbs (108 to 135 N−m).
6. Slide pivot yoke into lift arm and secure with thrust
washer and lynch pin.
7. Secure hydraulic cylinder to the lift arm with pins,
washers, and retaining rings.
8. Install cutting unit to the front lift arm pivot yoke (see
Chapter 7 − Cutting Units in this manual).
9. Grease front lift arm and pivot yoke.
Page 6 − 19 Chassis