Service Manual

ProCore 864/1298 Page 4 − 41 Coring Head
Removal (Fig. 40)
1. Position aerator on a firm, level surface. If attached
to tractor, disengage PTO, apply tractor parking brake,
stop engine and remove key from the ignition switch.
2. Remove front cover from hitch frame (see Front Cov-
er Removal in the Service and Repairs section of Chap-
ter 3 − Chassis).
3. Drain lubricant from gearbox.
NOTE: The ProCore 864 uses one (1) coring head dri-
veshaft. The ProCore 1298 has two (2) coring head dri-
veshafts.
4. Disconnect PTO and coring head driveshaft(s) from
gearbox shafts (see Driveshafts Removal in this sec-
tion).
5. Disconnect drain tube from adapter on bottom of
gearbox.
CAUTION
To prevent personal injury, make sure that
gearbox is supported as it is removed from the
machine. Gearbox weighs approximately 120
pounds (54 kg).
6. Support gearbox to prevent it from shifting.
7. Remove four (4) flange head screws that secure
gearbox to hitch frame.
8. Carefully remove gearbox from machine.
Installation (Fig. 40)
CAUTION
To prevent personal injury, make sure that
gearbox is supported as it is installed to the
machine. Gearbox weighs approximately 120
pounds (54 kg).
1. Position gearbox to machine hitch frame. Secure
gearbox to frame with four (4) flange head screws.
2. Make sure that O−ring is positioned in groove in
adapter on bottom of gearbox. Connect drain tube to
adapter.
3. Connect PTO and coring head driveshaft(s) to gear-
box shafts (see Driveshafts Installation in this section).
4. Fill gearbox with proper lubricant (see Operator’s
Manual).
5. Install front cover to machine (see Front Cover
Installation in the Service and Repairs section of Chap-
ter 3 − Chassis).
Coring Head