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ProCore 648 Page 3 – 13 Kohler Engine
7. Disconnect electrical connections from engine.
NOTE: Label all electrical connections for reassembly
purposes.
A. Remove harness red wire and positive battery
cable from the starter motor solenoid stud (Fig. 9).
B. Disconnect negative battery cable and wire har-
ness ground wire from the front corner of engine
base (Fig. 10). Locate and retrieve starwasher from
between engine and wire connectors.
C. Unplug machine harness connector from electric
clutch.
D. Remove cable tie that secures hourmeter wire to
spark plug wire. Position hourmeter wire clear of en-
gine.
E. Unplug machine wire harness connector from en-
gine connector. Position wiring harness away from
the engine.
8. Remove primary drive belt (coring head) (see Prima-
ry Drive Belt in the Service and Repairs section of Chap-
ter 7 – Coring Head).
9. Remove hydraulic pump drive belt (see Pump Drive
Belt in the Service and Repairs section of Chapter 4 –
Hydraulic System).
10.Remove engine from machine:
A. Connect a hoist or chain fall to lift tabs located on
each of the cylinder heads.
B. Remove four (4) cap screws and flange nuts that
secure the engine to the machine frame.
CAUTION
One person should operate lift or hoist while
another person guides the engine out of the ma-
chine.
IMPORTANT: Make sure not to damage the engine,
fuel hoses, hydraulic lines, electrical harness or
other parts while removing the engine.
C. Remove engine from the machine.
11. If needed, remove electric clutch (see Electric Clutch
in the Service and Repairs section of Chapter 5 – Electri-
cal System) and hydraulic pump drive pulley from en-
gine (Fig. 11).
12.If needed, remove belt tensioning components from
engine (see Belt Tensioners in this section).
Figure 9
1. Solenoid stud
2. Positive battery cable
3. Harness red wire
1
2
3
Figure 10
1. Flange head screw
2. Wire harness ground
3. Negative battery cable
3
1
2
Figure 11
1. Engine
2. Pump pulley
3. Electric clutch
4. Hardened washer
5. Cap screw
Anti–seize
Lubricant
50 to 55 ft–lb
(67.8 to 74.6 N–m)
1
2
5
4
3
Kohler
Engine