Service Manual

ProCore 864/1298 Page 3 − 3 Chassis
Roller Removal (Fig. 1)
1. Position aerator on a firm, level surface with aerator
attached to tractor. Disengage PTO, apply tractor park-
ing brake, stop engine and remove key from the ignition
switch. Support aerator to prevent it from moving.
2. Chock roller to prevent it from moving.
3. Loosen flange bearings from roller shaft:
A. Loosen set screw (item 2.1) that secures each
bearing locking collar to roller shaft.
B. Using the blind hole in bearing locking collars as a
striking point, unlock collars from roller shaft by rotat-
ing the collars with a punch in the opposite direction
of normal roller rotation.
4. Remove two (2) cap screws and lock nuts that se-
cure both flange bearings (item 2) to aerator frame.
5. Start engine on tow vehicle. Slowly raise aerator
while allowing roller to remain on the ground. Stop tow
vehicle engine. Support raised aerator to prevent it from
lowering unexpectedly.
CAUTION
To prevent personal injury, make sure that roll-
er is supported as it is removed from the ma-
chine. Roller weighs approximately 133
pounds (60 kg).
6. Remove roller with flange bearings from under ma-
chine.
7. Slide bearings from roller shaft.
Roller Installation (Fig. 1)
1. Clean roller shaft ends and apply antiseize lubricant
to shaft ends. Slide bearings onto roller shafts. Do not
tighten set screws at this time.
CAUTION
To prevent personal injury, make sure that roll-
er is supported as it is installed to the machine.
Roller weighs approximately 133 pounds (60
kg).
2. Position roller with flange bearings under raised aer-
ator.
3. Start engine on tow vehicle. Slowly lower aerator to
position aerator frame to roller assembly.
4. Align holes in bearing flanges with holes in aerator
frame. Orientate bearing so that grease fittings point to
front of aerator. Secure both flange bearings to frame
with two (2) cap screws and lock nuts.
5. Check that roller is free to rotate and no binding ex-
ists. Center roller between bearings.
6. Using the blind hole in the flange mount bearing lock-
ing collars as a striking point, lock collars to roller shaft
by rotating the collars with a punch in the direction of nor-
mal roller rotation. Tighten set screw (item 2.1) to secure
each bearing locking collar to roller shaft.
7. Check that clearance between roller scraper and
roller is from 0.060” to 0.090” (1.5 to 2.2 mm) along en-
tire length of scraper. Adjust scraper position if neces-
sary.
8. Lubricate grease fittings on roller bearings.
Chassis