Jet Tools J-7060 - Manual (Page 17)

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2. Remove the attaching screw, spring washer and
washer. Remove and discard the brush (see
figure 20).
3. Install replacement brush and secure with screw,
spring washer and washer.
4. Close the blade cover and secure with four knobs.
Replacement of Guide
Bearings
(see figure 19)
1. Remove the cap screw from the blade guide
bearing. Separate the bushing and cap screw
from the bearing. Discard the bearing.
NOTE: There is a light press fit between the bearing
and the bushing.
2. Install bushing in replacement bearing. Install cap
screw through bushing and into guide support.
3. Turn the eccentric bushing in the guide support
until the bearing contacts the blade.
Replacement of Blade Edge
Bearings
1. Remove the capscrew from the blade edge
bearing being replaced and discard the bearing.
2. Insert the capscrew into the new bearing.
3. Adjust blade edge guide bearings so they just
contact the edge of the blade.
Replacement of the Wire
Brush
1. Loosen four knobs securing the blade cover. Lift
the cover and swing it backward.
1. Remove front blade guide by removing adjust-
ment knob, spring, and shaft.
2. Remove the rear blade guide by removing its
attachment screw
3. Install replacement blade guide in the rear guide
location. Secure with attachment screw.
4. Install replacement blade guide in the front guide
location. Install shaft into guide. Install spring
and adjustment knob.
5. Adjust outermost blade guide using adjustment
knob. Set the guide so it just contacts the side of
the blade.
(see figure 20)
Guide Support
Cap Screw
Blade Edge
Bearing
Figure 20: Blade Edge Bearing Replacement
Adjustment
Cap Screw
Floating Block
Figure 21: Wire Brush
Wire Brush
Screw and Washers
Replacing the Coolant Pump
WARNING: DISCONNECT ELECTRICAL POWER
TO THE MACHINE BEFORE PERFORMING ANY
MAINTENANCE.
1. Disconnect electrical power.
2. Remove four screws and the coolant sump cover
from the machine base (refer to Figure 21).
3. Disconnect coolant pump wiring (refer to Wiring
Data).
4. Remove coolant pump attaching screws. Re-
move the coolant pump.
5. Install replacement coolant pump and secure with
attaching screws.
6. Connect electrical wiring to coolant pump (see
Wiring Data).
7. Connect electrical power. Start the machine to
check operation of the pump.
8. Install the coolant sump cover and secure with
four screws.
Figure 22: Replacement of Coolant Pump
Coolant
Drain
Access Panel
Screws (4)
Access Panel
Coolant Pump
Junction Box
Pump Screws (2)