Toro Groundsmaster 5900 Series Service Manual page 444

Joint Yoke Assembly (continued)
Joint Yoke Installation
Chassis: Service and Repairs
g298933
1. Joint yoke
2. Base mount
8. Press base mounts onto bearing caps with the angled edge of the mounts
away from the joint
should be flush with the base mount surfaces.
9. Make sure that assembled joint yoke moves without binding. Slight binding
can usually be eliminated by lightly rapping the yoke lugs with a soft faced
hammer. If binding continues, disassemble joint yoke to identify and eliminate
source of binding.
(Figure 307 and
1. Install joint yoke to lift arm:
A. Place spacer (item 7) and then thrust washer onto joint yoke shaft.
B. Insert yoke shaft up through lift arm bushings.
C. Place thrust washer (item 6) onto joint yoke shaft and then place
washer(s) (item 5) as needed to remove as much clearance as possible
between the thrust washer and the hardened washer (item 4).
D. Install slotted hex nut to secure joint yoke to lift arm. Torque nut from
204 to 244 N·m (150 to 180 ft−lb). Make sure that joint yoke rotates in
lift arm without binding and that excessive clearance does not exist in
yoke assembly.
2. Carefully lower lift arm to position base mounts to deck connection.
3. Install shims between deck connection and base mounts. Secure base
mounts with eight (8) cap screws, hardened washers and two (2) bolt plates.
Tighten cap screws from 53 to 64 N·m (39 to 47 ft−lb).
4. Grease joint yoke and lift arm bushing after installation on machine.
5. After assembly is completed, raise and lower the cutting deck to verify that
hydraulic hoses and fittings do not contact anything throughout the full range
of movement.
Figure 309
3. Angled edge
(Figure 309). The outside of the cross bearing cups
Figure 308)
Page 7–30 Groundsmaster ® 5900 & 5910
16227SL Rev B