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Wheel Removal (Fig. 2)
1. Park machine on a level surface, fully raise coring
head, engage parking brake, stop engine and remove
key from the ignition switch. Secure coring head with
service latch.
2. Jack machine from ground and support machine
with blocking or jack stands (see Operator’s Manual and
Jacking Instructions in Chapter 1 – Safety).
3. If rear wheel is to be removed:
A. Loosen and remove four (4) lug nuts from wheel
to be removed.
B. Pull wheel from machine.
4. If front wheel is to be removed:
A. Remove two (2) lock nuts and thrust washers that
secure wheel weight to wheel.
CAUTION
wheel weight is supported as it is removed
from the machine. Wheel weight weighs
approximately 73 pounds (33.1 kg).
To prevent personal injury, make sure that
B. Carefully slide wheel weight from weight studs.
C. Loosen and remove two (2) lug nuts and two (2)
wheel weight adapters with weight studs.
D. Pull wheel from machine.
Wheel Installation (Fig. 2)
1. If rear wheel was removed:
A. Position rear wheel to wheel hub.
B. Secure wheel to machine with four (4) lug nuts.
Torque lug nuts from 45 to 55 ft–lb (61 to 75 N–m).
2. If front wheel was removed:
A. If weight studs were removed from wheel weight
adapters, thread studs fully into the correct end of the
adapter (Fig. 3).
B. Position front wheel to wheel hub.
C. Secure wheel to machine with two (2) lug nuts
and two (2) wheel weight adapters. Torque wheel
fasteners from 45 to 55 ft–lb (61 to 75 N–m).
CAUTION
wheel weight is supported as it is installed to
the machine. Wheel weight weighs approxi-
mately 73 pounds (33.1 kg).
To prevent personal injury, make sure that
D. Carefully slide wheel weight to wheel.
E. Secure wheel weight with two (2) thrust washers
and lock nuts.
3. Lower machine to ground. Remove service latch
from coring head before machine use.
(.500–13 UNC–2B)
WHEEL STUD WEIGHT STUD
(.500–20 UNF–2B)
Figure 3
Chassis
ProCore 648 Page 6 – 5 Chassis