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Maintenance
FIG. 1
A
FIG. 2
FIG. 3
T
F
F
FIG. 4
GENERAL MAINTENANCE
A well-maintained machine is a productive machine. If not properly maintained, it could
be unsafe or break down. Schedule regular maintenance check-ups to ensure efficient
performance and a long life. The following maintenance should be performed by an NFE
B
service center or dealer:
•
•
•
C
•
Labels should also be replaced if worn or difficult to read. Contact NFE for replacement
labels.
REMOVING TOOLING ASSEMBLY
1.
2.
3.
4.
5.
6.
7.
REPLACING NYLON CLUTCH
1.
2.
3.
4.
5.
F
WARNING: BEFORE STARTING REPAIR OR MAINTENANCE WORK, ALWAYS
TURN OFF THE MACHINE, WAIT FOR STANDSTILL OF ALL DEVICES, PULL OUT
THE MAIN PLUGS AND REMOVE THE SAFETY KEY TO SECURE THE MACHINE
AGAINST UNINTENDED STARTUP.
Mechanical inspection and cleaning (bearings, nuts, bolts, housing, labels, etc.).
Replacing worn or damaged parts (switches, guards, etc.).
Electrical inspection (switch, cord, plugs, etc.).
Testing to assure proper mechanical and electrical operation.
Disconnect machine from power; disconnect the handle cord from the motor cord
(Figure 1); remove the safety key.
Remove the top weights by removing the cotter pins that hold them in place.
If the dust skirt has not already been removed, ensure the (4) skirt retainers are in
position to keep the dust skirt in place (sticking outward).
Flip base assembly over 180
Loosen the hex head cap bolt securing the locking tab and slide the locking tab
back (Figure 2B). Rotate the tooling assembly clockwise to stop (Figure 2C).
Lift off tooling assembly.
To reinstall the tooling assembly, reverse the above steps.
Follow Removing Tooling Assembly procedure to gain access to the nylon clutch.
Remove the (6) screws (P/N 404025) using a 3/16" Allen wrench (see Figure 3).
Discard the damaged clutch.
Orient the nylon clutch (P/N 403978) so that any one of the (3) clutch fingers (F)
lines up with the locking tab (T). See Figure 4.
Tighten the (6) screws to 25 ft.lbs using a 3/16" Allen wrench.
CAUTION: MAKE SURE THE ORIENTATION OF THE NYLON CLUTCH IS
CORRECT! OTHERWISE THE TOOLING ASSEMBLY WILL NOT BE PROPERLY
SECURED IN THE BASE.
10
until it rests on the two handles (Figure 2A).
o
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