BigDog diablo mp bac-vac, Operator'S Manual

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REV B 4-2 121913
5. Release the tension from the blower drive belt and
remove it. Figure 4-2
NOTE: It is not necessary to remove the double pulley on
the deck spindle.
6. Remove the pin that connects the blower to the dis-
charge chute bracket tabs and remove the blower
housing. Figure 4-2
7. Assemble the torsion spring, original discharge chute
and pin to the bracket tabs. Make sure the torsion
spring is assembled as shown so that it applies pres-
sure to the discharge chute and keeps it in the down
position. Figure 4-3
8. Remove the BAC-VAC™ from the rear of the machine.
(See
Removing the BAC-VAC™ section below.)
NOTE: It is not necessary to remove the BAC-VAC™ frame
that is attached to the rear of the mower.
Removing the BAC-VAC™
Use the following procedure when removing the BAC-VAC™
from the mower.
1. Park the mower on a flat surface. Turn the engine off,
place the steering control levers in the park brake posi-
tion and remove the ignition key. Be sure the blades
have stopped before dismounting from the mower.
2. Disconnect the BAC-VAC™ frame harness from the
hopper’s wire harness.
3. Remove the flex tube from the BAC-VAC™ inlet tube.
Figure 4-1
4. Unpin the BAC-VAC™ assembly from the side mount
brackets and pivot it until the lower hooks clear the
mount spacer. Figure 4-4
Never operate the mower deck with the side
deflector damaged, altered, removed or in raised
position, except when the entire BAC-VAC™ attach-
ment or mulching system is being used.
Always operate with complete BAC-VAC™, mulch-
ing system or side discharge chute in place and in
the lowest position.
A. Flex tube
B. Inlet tube
C. Blower outlet tube
Figure 4-1
WARNING
WARNING
A
B
C
A. Blower belt
B. Double pulley
C. Pin
Figure 4-2
A. Tall pulley cover
B. Discharge chute
C. Torsion spring
D. Pin
Figure 4-3
A
B
C
A
B
C
D