Adjusting The Head Return Springs - Toro ProCore SR54 Operator's Manual

1. Aerator hitch pin
2. Hydraulic top link
3. Rotational block
4. Connecting link
5. 3 inch extension block
6. 5 inch extension block
Adjusting the Head Return
Springs
You can adjust the head return springs to increase or
decrease the tension. Moving the spring toward the
front of the aerator increases the spring tension, thus
increasing the distance between the spring mounting
posts.
1. Disengage the PTO and engage the parking
brake.
2. Shut off the engine and remove the key.
3. Release the spring tension to the linkage arm.
4. Remove the nut securing the spring mounting
post bolt to the linkage arm
42).
Figure 40
7. Tractor link pin
8. Clevis and lynch pin
9. 2-1/2 foot hydraulic hose
10. 3-1/2 foot hydraulic hose
11. Hose quick couplings
12. Tractor hydraulic ports
(Figure 41
g010840
1. Spring mounting post
2. Bolt
1. Spring mounting post
2. Bolt
5. Remove the mounting post bolt and the
or Figure
mounting post from the linkage arm and reinsert
them into the another adjustment hole
41
6. Install the nut securing the spring mounting post
bolt to the linkage arm.
7. Connect the spring tension to the linkage arm.
28
Figure 41
SR72
3. Spring
Figure 42
SR54, SR54-S, SR70 and SR70-S
3. Spring
or Figure 42).
g024284
g024285
(Figure